Signal Messenger App Review


Signal Messenger: The Ultimate Guide to Secure and Private Communication


In today’s fast-paced digital age, messaging apps have become integral to our daily communication. However, with the increasing risk of cyber-attacks and data breaches, ensuring your conversations remain secure and private has never been more critical. That’s where Signal Messenger comes in – a free open-source messaging app that promises to offer end-to-end encryption for all its users.

Brief Overview of Signal Messenger and its Features

Signal Messenger has been gaining popularity among privacy-conscious users due to its high level of security features. Unlike other popular messaging apps like WhatsApp and Facebook Messenger, Signal encrypts all messages sent between users so that no one can read them except for the intended recipient(s). It also allows you to verify contacts’ identities using a unique safety number system.

Aside from its security features, Signal offers a clean and easy-to-use interface with customization options such as setting custom notification tones and themes. Users can create groups for up to 150 participants or make voice/video calls without compromising privacy.

Why It’s Important to Have a Secure Messaging App

In today’s world, data breaches have become increasingly common. Every week, there seems to be news of yet another company or organization experiencing a major hack or data leak. Your personal information is valuable – credit card numbers or sensitive personal conversations with friends, family members, or colleagues.

It’s not just hackers who are interested in your private conversations either; governments worldwide are constantly monitoring internet traffic to combat terrorism and criminal activity. While this might sound noble, it raises serious concerns about personal privacy and government overreach.

Suppose you want to keep your private conversations truly private without worrying about government surveillance or unauthorized access by hackers or third-party apps. In that case, you need a secure messaging app like Signal. End-to-end encryption scrambles your messages so that only the person you’re talking to can read them – no one else.

Bottom line: if you’re not using a secure messaging app like Signal, you risk your privacy and personal information. Don’t wait for a data breach or hack before taking action – download Signal Messenger today and start messaging confidently.

Security Features

End-to-End Encryption: The Backbone of Signal’s Security

One of the most significant features that sets Signal apart from other messaging apps is its end-to-end encryption. This encryption method protects all conversations, calls, and media shared through the app.

It means that only the sender and recipient can access the content of a message; no third party, including Signal itself, can read or intercept it. End-to-end encryption generates a unique key for every conversation on both parties’ devices.

The keys then encrypt and decrypt messages in real-time, making it impossible for anyone else to read them. Even if someone intercepts a message while in transit between devices, they won’t be able to decipher it without the decryption key.

Signal’s end-to-end encryption offers unparalleled privacy protection compared to other messaging apps like WhatsApp or Facebook Messenger. These apps also have encryption features but not to the same extent as Signal.

In WhatsApp’s case, it may store backups of conversations on Google Drive or iCloud that aren’t protected by end-to-end encryption. The Signal is an excellent choice if you value privacy and want a secure messaging app for sensitive information sharing.

Comparison with Other Messaging Apps: Why Choose Signal?

The competition is fierce regarding messaging apps, but none compare to Signal’s security features. While some may argue that Whatsapp has end-to-end encryption too (albeit with some caveats), their parent company Facebook doesn’t have an excellent track record on user privacy issues.

On the other hand, Telegram doesn’t offer end-to-end encryption by default. It only uses what they call “client-server/ server-client” encrypted chat systems – which are significantly less secure than full end-to-end encryption – unless you enable secret chats specifically. Signal stands out because all conversations are encrypted with open-source protocols that have undergone rigorous scrutiny by cryptography experts.

Plus, Signal’s encryption covers all aspects of the conversation – text, calls, and multimedia files. Signal is the way to go if you want a messaging app that prioritizes your privacy and security above all else.

Benefits of Using Signals for Sensitive Conversations

The benefits of using Signal for sensitive conversations are clear: You get complete end-to-end encryption protection that ensures your messages are secure from hackers, government surveillance, and other bad actors. But there’s more to it than just encryption.

Signal also doesn’t keep any metadata on its servers. It means that even if someone were to intercept messages in transit (unlikely because of Signal’s robust security features), there would be no identifying information about either party involved in the conversation or potential evidence for a third party to use against you.

Another key benefit is that you can verify who you’re communicating with through safety numbers. This feature ensures that no one impersonates someone else while communicating with you.

If you’re worried about data breaches – becoming more common these days – then using Signal is an excellent way to protect yourself from such attacks. The app encrypts all your data at rest and in transit, making it almost impossible for anyone to access it without permission.

The bottom line? If you value your privacy and want a secure messaging app for sensitive conversations – look no further than Signal!

User Interface: A Delightful Experience

The design team at Signal messenger app has done an excellent job creating a user-friendly interface. The app’s design is simple, clean, and pleasing to the eyes. The color scheme is minimalistic and calming, with a mixture of navy blue and white color palettes used throughout the app.

The home screen is easy to navigate, with all essential features placed prominently on the screen. You can quickly access your chat list, settings menu, and new message option with just one tap.

One feature I appreciate about the UI is that it doesn’t have unnecessary clutter or ads. Unlike other messaging apps that bombard you with ads or promotional messages, Signal puts its users’ privacy first.

Customization Options: Minimal but Sufficient

While some users crave heavily customizable messaging apps like WhatsApp, with countless features and customizations available, Signal takes the opposite approach by keeping it minimalistic but sufficient to meet users’ needs. Customization options on the Signal messenger app include changing the chat wallpaper or choosing a unique notification sound for incoming messages. While this might not be enough for some people who want to adjust every little detail of their messaging experience, I think it’s perfect for those who want simplicity.

Ease of Use: Intuitive Design

Signal Messenger App is incredibly straightforward to use. Everything from creating an account to sending messages feels intuitive and seamless. Creating an account requires only your phone number verification; once this step is completed, you can instantly start chatting.

The chat window is so easy that even someone who never used any messaging app before would quickly get the hang of it. Additionally, because the app has such a clean design without much bloatware like other popular messaging apps (cough WhatsApp), there isn’t much room for confusion when using the app.

Switching Chat Platforms: No Fuss

One thing I appreciate about the Signal messenger app is that it allows you to switch from other messaging apps like WhatsApp without much trouble. The app has an import option to import your chats, media, and contacts from other platforms.

This feature is great because it saves time and effort for people who want to switch messaging apps. You don’t have to worry about losing any data during the transfer process, and you can continue chatting with your friends and family on a more private platform.

Final Verdict: Simple but Effective

Overall, the User Interface of the Signal messenger app is simple but effective. The clean and user-friendly design makes it easy for anyone to use the app without encountering any difficulty. Customization features are minimalistic but sufficient to meet users’ needs.

Switching chat platforms is a breeze with its import feature. I highly recommend the Signal messenger app if you value privacy in your messaging experience while still having an excellent UI experience.

Additional Features

Group Chats and Voice/Video Calls: Necessities for Modern Communication

The Signal is not just about secure messaging. It also offers other features like group chats, voice and video calls. These features are necessary for modern communication, and Signal does them right.

Group chats on Signal are seamless and user-friendly, allowing for easy management of multiple conversations within one chat. The call quality is impressive, offering high-definition audio and video even on slow internet connections.

These features make Signal a complete package, catering to all modern communication needs in one app. It’s clear that the developers have put a great deal of effort into creating a secure and functional app.

Disappearing Messages: Adding An Extra Layer of Privacy

One of the most exciting features that Signal offers is disappearing messages. This feature allows you to set a timer on your messages so they disappear from the chat after a set period – anywhere from five seconds to one week. The disappearing messages feature adds an extra layer of privacy to your conversations by ensuring no trace of your messages remains after a certain period.

This feature can be handy when discussing sensitive or confidential matters. Signal even goes one step further by encrypting the metadata associated with disappearing messages (such as when it was sent or who sent it), which means that even if someone tries to access this information, they cannot view it.

Screen Security Options: Going Above and Beyond

Signal provides users with multiple screen security options, including fingerprint authentication and passcodes. These options help ensure that no unauthorized individuals can access your account or view your conversations. What sets Signal apart from other messaging apps is its ability to detect when someone takes a screenshot within the app.

When someone takes a screenshot in Signal, the app immediately notifies all conversation members. This powerful security feature goes above and beyond what other messaging apps offer.

Conclusion: Signal is an All-in-One Solution for Modern Communication

Regarding secure messaging apps, Signal stands out from the competition thanks to its additional features. Group chats, voice and video calls, disappearing messages, and screen security options make Signal an all-in-one solution for modern communication needs. Signal’s commitment to privacy and security is evident in every aspect of the app – from its design to its features.

The developers have gone above and beyond to ensure Signal users can confidently communicate. Overall, Signal is worth considering if you’re looking for a messaging app that keeps your conversations secure and offers convenient features like group chats and voice calls.

Signal in Politics: How politicians use Signal to communicate securely.

The Importance of Secure Communication in Politics

In today’s political climate, it’s more important than ever for politicians to communicate securely. With cyber-attacks and data breaches becoming increasingly common, sensitive information can easily fall into the wrong hands. This is where Signal becomes a lifesaver for politicians who must communicate with their team members and colleagues without worrying about hackers or eavesdroppers.

How Signal Helps Politicians Avoid Breaches

Signal’s end-to-end encryption ensures that all messages sent through the app are entirely secure and private. Not only that, but Signal lets users verify each other’s identities using unique security codes, adding another layer of protection against possible hacking attempts. In addition, Signal has a self-destructing message feature that automatically deletes messages after a set period.

The Downside of Encrypted Messaging for Politicians

While encrypted messaging may seem like a great way for politicians to stay secure online, it has some downsides. First, encrypted messaging apps are often slower and less reliable than traditional messaging apps like WhatsApp or Facebook Messenger. Additionally, lawmakers using encrypted messaging apps could face criticism from constituents who believe they’re trying to hide something.

Final Thoughts on Signal in Politics

Overall, while there are some downsides to using an encrypted messaging app like Signal as a politician, the benefits far outweigh the risks. By using this app, lawmakers can ensure that they’re communicating privately and securely without worrying about data breaches or cyber-attacks. Signal in Business: How businesses can benefit from using Signal for their internal communication.

The Benefits of Secure Communication in Business

As businesses rely more heavily on technology to carry out daily operations and conduct transactions with clients and customers online, it’s become increasingly crucial to prioritize secure communication. Signal is an excellent option for businesses looking to improve internal communication and protect sensitive information.

How Signal Helps Businesses Communicate Securely

Signal’s end-to-end encryption ensures that all messages sent through the app are entirely secure and private. Not only that, but Signal lets users verify each other’s identities using unique security codes, adding another layer of protection against possible hacking attempts. In addition, Signal has a self-destructing message feature that automatically deletes messages after a set period.

The Downside of Encrypted Messaging for Business

While encrypted messaging may seem like an excellent way for businesses to stay secure online, it has some downsides. First, encrypted messaging apps are often slower and less reliable than traditional messaging apps like WhatsApp or Facebook Messenger. Additionally, businesses that use encrypted messaging apps could potentially face criticism from clients who believe they’re trying to hide something.

Final Thoughts on Signal in Business

Overall, while there are certainly some downsides to using an encrypted messaging app like Signal as a business owner or manager, the benefits far outweigh the risks. By using this app, companies can ensure that they’re communicating privately and securely without worrying about data breaches or cyber-attacks.

The Battle of Encrypted Messaging Apps – Signal vs Telegram

Several options are available for an encrypted messaging app, including Signal and Telegram. While both apps offer similar features when it comes to security and privacy, some key differences could sway users one way or another.

Security Features Compared: Signal vs Telegram

Regarding security features, both Signal and Telegram offer end-to-end encryption for all messages sent through the app. However, unlike Telegram, which uses its encryption protocol, Signal uses the industry-standard Signal Protocol, widely considered one of the most secure options. In addition, Signal lets users verify each other’s identities using unique security codes.

User Interface Compared: Signal vs Telegram

While both apps have a clean and intuitive design, Telegram offers more customization options than Signal. For instance, Telegram users can create themes and stickers, while Signal only allows basic customization options.

Additional Features Compared: Signal vs Telegram

Regarding additional features, both apps offer group chats and voice/video calls. However, Telegram offers more options regarding screen security, including password-protected chats and a self-destructing message feature that lets users set a timer for when messages will disappear.

Final Thoughts on Choosing Between Signal and Telegram

While both apps are excellent for secure messaging, users who prioritize industry-standard security protocols may prefer using Signal. On the other hand, those who value customization options or advanced screen security features may prefer using Telegram.

The Small Details That Make Signal Messenger App the Best for Privacy and Security

The History Behind the Creation of Signal App

Signal Messenger App has a fascinating beginning. It was initially launched as TextSecure, an Android app created by Whisper Systems, a security software company founded by Moxie Marlinspike and Stuart Anderson.

The goal was to create a messaging app to provide secure communication for users who must protect their privacy. TextSecure allowed encrypted text messaging and voice calls between two parties over data or Wi-Fi connections.

In 2013, after being acquired by Twitter, Whisper System changed its name to Open Whisper Systems and released the Signal Private Messenger app for iOS devices. Later in 2014, Signal was also made available for Android devices.

The app’s popularity increased due to its encryption technology and philosophy on privacy. In 2018, it became the primary communication tool for journalists and activists worldwide due to its security features.

The Founders’ Philosophy on Privacy and Security

Moxie Marlinspike believes privacy is about protecting yourself from government surveillance or cyber criminals and controlling your life. He thinks that we should be able to choose what information we share with others. That’s why Marlinspike designed Signal with end-to-end encryption features so that only those involved in a conversation can read or access messages sent through it.

This encryption is so strong that even Facebook has admitted they cannot access messages sent through it. Marlinspike also believes in open-source code-sharing on GitHub as this allows developers worldwide to see how the app works and check if any vulnerabilities exist.

The Open-Source Nature of the App

Signal is an open-source application, meaning anyone can view its source code, modify it or contribute towards its development. This transparency ensures accountability as experts worldwide can keep a watchful eye on the app’s security and privacy features.

Open-source software also means that anyone can create a branch or fork of the app, improving its functionality for specific purposes or making it more user-friendly. In this way, Signal has become incredibly customizable over the years compared to its competitors.

Moreover, this open-source code availability ensures that there are no backdoors for government organizations to exploit. Even Edward Snowden endorses the Signal Messenger App as one of the most secure communication apps available in the market.


Signal Messenger App is one of the most secure messaging apps available today due to its robust encryption technology and founders’ philosophy on privacy and security. The open-source nature of Signal ensures transparency and accountability while providing an opportunity for developers worldwide to improve upon it. The history behind Signal’s creation is fascinating and speaks volumes about how much emphasis was placed on user privacy from day one.

The founders’ vision was to protect users from cybercriminals or government surveillance and empower people with control over their lives. If you’re looking for a secure messaging app that values your privacy above all else, then Signal Messenger App is undoubtedly worth considering.


Recap of Key Points

In this article, we’ve explored the features and benefits of the Signal messenger app. We’ve discussed its security features, user interface, additional features, and even niche subtopics like Signal in politics and business. We learned how end-to-end encryption works and compared it to other popular messaging apps like WhatsApp and Facebook Messenger.

We also explored the benefits of using Signal for sensitive conversations where privacy is paramount. Additionally, we discussed the clean and intuitive design of the app as well as its customization options.

We highlighted additional features like group chats, voice/video calls, disappearing messages, and screen security options. We delved into some minor details about the history behind the creation of the Signal app – including its founder’s philosophy on privacy and security – and its open-source nature.

Recommendation for Who Should Use This App

With all that being said, who should use this app? Well, if you value their privacy, Signal is a no-brainer.

It’s free to use with no ads or tracking, which you don’t get with certain other messaging apps (*cough* WhatsApp *cough*). And let’s be honest – everyone has at least one conversation they’d rather keep private.

But it’s not just for those concerned about privacy – businesses can benefit from using it too. Imagine communicating with your colleagues securely without worrying about sensitive information getting leaked.

That’s where Signal comes in handy. Of course, some argue that “if you have nothing to hide, you don’t need to use such secure apps,” but let me ask: would you want your personal information leaked online for anyone to see?

I’m going to guess no. So why not take control of your privacy now instead of waiting until it’s too late?

Signal is a messaging app for those concerned about privacy and security. It’s easy to use, has a clean design, and offers all the features needed in a messaging app while keeping your private conversations private.

Users like:

  • Fully open-source
  • Intuitive interface
  • Allows audio chat, with verification
  • Designed from the ground up to be nothing but a secure messaging platform

Users don't like:

  • Not widely used or known
  • Requires your phone number for contact discovery
  • Anyone intent on tracking your internet use can see you’re using Signal. However, they won’t be able to read your messages
  • The user interface and some of the user experience design can have some, let’s say, interesting glitches. However, none of these problems affect the security

Why to choose/Best for:

  • Messages are delivered quickly and reliably, even on slow networks. Signal is optimized to operate in the most constrained environment possible
  • You can use your existing phone number and address book to securely communicate with your friends
  • Choose custom alerts for each contact, or disable noises completely. Simon & Garfunkel wrote a hit song about it in 1964, and you can experience the sound of silence whenever you want by choosing “None” as your notification ringtone
  • State-of-the-art end-to-end encryption keeps your conversations secure. Privacy isn’t an optional mode — it’s just the way that Signal works. Every message, every call, every time
  • Signal is a completely independent 501c3 nonprofit. Development is supported by users like you. No advertisements. No trackers. No kidding
  • Whether they live across town or across the ocean, Signal’s enhanced audio and video quality will make your friends and family feel closer
  • Use the built-in image editing features to sketch, crop, and flip your outgoing photos. There’s even a text tool so that you can add more words to the 1,000 that your picture is already worth
  • Switch to the dark theme if you refuse to see the light
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Signal Messenger FAQ

Signal Messenger FAQ

  • How can I contribute to Signal?

    Signal is free of advertisements and free for you to use! As an Open Source project supported by grants and donations, Signal can put users first.

    How can I contribute to Signal?

    1. Spread the word
      Signal is a collaborative open-source project and does not have a dedicated PR department. We rely on our users to help explain the benefits of using our software. Friends don’t let friends send plaintext!
    2. Help translate
      Update translations so your friends and family feel right at home when messaging or calling from Signal.
    3. Contribute code
      If you have Android or iOS development experience, please consider helping us tackle some of the open issues in our GitHub repositories.
    4. Upgrade your online shopping
      Amazon will donate .5% of your purchases to Signal. Use this link to sign up and support Signal Technology Foundation. When you shop at Amazon use instead of That’s it.
    5. Contribute money
      Donate here. Your donation helps pay for the servers, bandwidth, and continued development of an app that is used by millions of people every day for secure, free, and instantaneous communication anywhere in the world.
  • Can I use Signal when I travel?

    Absolutely. All Signal calling and messaging is done over the internet. As long as you are connected to the internet without any restrictions, then everything will work just as it did when you were home. Your contacts can still reach you at your Signal registered number. In order to reinstall or re-register Signal, you need access to SMS or calls to your SIM card. Contact your mobile provider before you head abroad to make sure you can receive SMS or calls to that number if you plan on reinstalling Signal or wiping your phone while away from home.

  • Can I use Signal for work?

    Yes, you can use Signal for work!

    Your entire company can use Signal on Android, iOS, or desktop. Each primary device needs a separate phone number in order to register.

    There are no settings to change in Signal to switch between personal or business usage.

  • Android Details
    Size:Varies with device
    Content Rating:3+
    Author:Signal Foundation
    iOS Details
    Size:139.1 MB
    Content Rating:12+
    Author:Signal Messenger, LLC
    Compatibility:Requires iOS 11.0 or later. Compatible with iPhone, iPad, and iPod touch.
    Languages:English, Afrikaans, Albanian, Arabic, Azerbaijani, Basque, Bengali, Bosnian, Bulgarian, Burmese, Cambodian, Catalan, Croatian, Czech, Danish, Dutch, Estonian, Filipino, Finnish, French, Galician, German, Greek, Gujarati, Hausa, Hebrew, Hindi, Hungarian, Indonesian, Irish, Italian, Japanese, Javanese, Kannada, Kazakh, Korean, Latvian, Lithuanian, Macedonian, Malay, Malayalam, Marathi, Norwegian Bokmål, Persian, Polish, Portuguese, Punjabi, Romanian, Russian, Serbian, Shona, Simplified Chinese, Slovak, Slovenian, Spanish, Swahili, Swedish, Tamil, Telugu, Thai, Traditional Chinese, Turkish, Ukrainian, Urdu, Vietnamese


    iOS (iPhone, iPad):

    5 User Reviews

    • It’s been really glitchy recently on AT&T.

    • Encrypted end to end messaging that is still easy to use, and meets my needs and wants.

    • Pretty good, overall. A little buggy at first, and when one of party does not have Signal. Texts not received at random on more than a few occasions. Regardless, it is a free app, and the technology is extremely valuable. Privacy today, is paramount. I consider this company to be an ally of the people, not just a company marketing an application. Bill Of Rights. Nothing more important at the moment.

    • Amazing app. I use it daily to message friends and family as well as copying over text, files and sounds from computer to computer via the Note to Self feature. Loading is now way faster

    • This app is good but I find it annoying in some cases. When I send a message to a friend, it won’t get delivered if the person hasn’t open the app yet even though that person is not offline. Sending photos and videos in this apps takes ages. I would definitely use this app in the long run if it improves.

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