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Signal VS Viber

Compare Signal VS Viber and see what are their differences

Signal logo Signal

Fast, simple & secure messaging. Privacy that fits in your pocket.

Viber logo Viber

Free and secure calls and messages to anyone, anywhere. Keep your conversations going no matter where you are.
  • Signal Landing page
    Landing page //
    2023-07-20
  • Viber Landing page
    Landing page //
    2023-04-19

Signal features and specs

  • End-to-End Encryption
    Signal uses end-to-end encryption to ensure that only the sender and the recipient can read the messages. This makes it highly secure against eavesdropping.
  • Open Source
    Signal's code is open source, allowing anyone to inspect, audit, and improve it. This transparency helps to build trust and ensure the security of the platform.
  • User Privacy
    Signal is designed to collect minimal data from its users. It does not store metadata about contacts, messages, or user activity, thereby prioritizing user privacy.
  • Cross-Platform Availability
    Signal is available on a variety of platforms including iOS, Android, and desktop, making it accessible to a broad range of users.
  • Multi-purpose Usage
    Beyond just text messaging, Signal supports voice and video calls, as well as file sharing, making it a versatile communication tool.

Possible disadvantages of Signal

  • Limited User Base
    Compared to more popular messaging apps like WhatsApp and Facebook Messenger, Signal has a smaller user base, which may limit its utility as a communication tool.
  • Dependence on Phone Number
    Signal requires users to register with a phone number, which can be a privacy concern for some people who prefer not to share their number.
  • Backup Limitations
    Signal does not offer cloud backups for messages, which means users have to rely on local backups that can be more cumbersome to manage.
  • User Interface
    Some users find Signal's user interface to be less polished and user-friendly compared to other mainstream messaging apps.
  • Notification Issues
    There have been reports of unreliable notifications that can result in missed messages or calls, potentially impacting the user experience.

Viber features and specs

  • Ease of Use
    Viber features a user-friendly interface that makes it easy for users to navigate and use the app without a steep learning curve.
  • Free Texting and Calling
    Viber allows users to send text messages, make voice calls, and video calls for free over the internet.
  • End-to-End Encryption
    Messages and calls on Viber are end-to-end encrypted, providing a high level of security and privacy for users.
  • Multimedia Support
    Users can send photos, videos, voice messages, and files through Viber, offering a versatile communication platform.
  • Group Chats and Calls
    Viber supports group chats and calls, allowing users to communicate with multiple people simultaneously.
  • Sticker and Emoji Library
    Viber offers a wide range of stickers and emojis to enhance the messaging experience.
  • Viber Out
    Viber Out allows users to make low-cost international calls to non-Viber users across the globe.
  • Cross-Platform Compatibility
    Viber is available on multiple platforms including iOS, Android, Windows, and Mac, ensuring seamless communication across devices.
  • Public Accounts
    Businesses and public figures can create public accounts to communicate with their audience on Viber.

Possible disadvantages of Viber

  • Data Usage
    Viber requires an internet connection, which can lead to high data usage, especially for voice and video calls.
  • Dependency on Internet
    Viber calls and messages are dependent on internet connectivity, limiting its functionality in areas with poor or no internet access.
  • Limited User Base
    Compared to other messaging apps like WhatsApp and Facebook Messenger, Viber has a smaller user base, which may limit its usefulness for some users.
  • Notification Issues
    Some users have reported issues with not receiving notifications promptly or consistently on certain devices.
  • Quality of Service
    The quality of voice and video calls can be inconsistent and is highly dependent on the speed and stability of the internet connection.
  • Privacy Concerns
    Despite end-to-end encryption, some users remain concerned about the collection of metadata and potential privacy issues.
  • In-App Purchases
    While basic features are free, Viber offers in-app purchases for additional services such as premium stickers and Viber Out credits.
  • Background Battery Usage
    Viber can consume a significant amount of battery power when running in the background, which may affect the overall device performance.

Analysis of Signal

Overall verdict

  • Yes, Signal is generally considered a good messaging app.

Why this product is good

  • Signal is known for its strong emphasis on privacy and security. It uses end-to-end encryption to ensure that only the communicating users can read the messages. The app is open-source, which allows for external audits of its code, providing transparency. It does not collect metadata or user data beyond what is necessary for the operation of the service.

Recommended for

  • Privacy-conscious individuals who prioritize secure communication.
  • Journalists and activists who require confidential communications.
  • Users who prefer open-source software.
  • Anyone seeking a simple and user-friendly secure messaging app.

Signal videos

Why We Should All Be Using Signal Messenger

More videos:

  • Review - WhatsApp vs Telegram vs Signal: Which is the BEST?!
  • Review - THE SIGNAL: explained

Viber videos

Viber Messenger for Android

More videos:

Category Popularity

0-100% (relative to Signal and Viber)
Communication
85 85%
15% 15
Group Chat & Notifications
Messaging
84 84%
16% 16
Chat
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Signal and Viber

Signal Reviews

7 best Mattermost alternatives for secure business messaging
Signal offers a secure instant messaging platform for businesses and others concerned about privacy. On Signal, business teams communicate one-on-one or in groups through text, voice, or video calls. The software is open-source and the server, mobile, and desktop client is published through AGPL v3.0 restrictive license. All data and messages are end-to-end encrypted.
Source: www.rocket.chat
20 Telegram Alternatives to Chat With in 2024
Signal is not a broadcasting app (although it does have a stories feature), nor is it a community-building app. It's a simple messaging Telegram alternative for those wanting to chat with friends.
10 Best Secure Messaging Apps to Keep Your Conversation Private
In our comparison between Signal vs Telegram vs WhatsApp, we found that Signal is the most secure messaging app out there. Signal uses the gold standard, open-source Signal Protocol to implement end-to-end encryption. And it implements E2E encryption on all forms of communication on Signal– be it voice/video calls, chat messages, media, or audio clips.
Source: beebom.com
10 Best Telegram Alternatives in 2024
Signal is an alternative Telegram app which was first developed in the year 2014 by Moxie Marlinspike and Brian Acton, Signal was launched after whatsapp and after its launch various organizations shifted their work to Signal from Whatsapp due to its highly secured and safe features than any other app.
Top 10 Apps like Telegram for Android and IOs [2023]
Signal is a messaging program that offers all the features you would anticipate from a modern instant messaging app, with a heavy focus on privacy. Signal is one of the safest messaging apps on the market thanks to its open-source architecture, end-to-end encryption, and commitment to never accumulating user data. If you're seeking secure apps like Telegram, Signal's...

Viber Reviews

20 Telegram Alternatives to Chat With in 2024
Viber has really good security and privacy features. It has user verification options plus end-to-end encryption, giving you a combination of safety factors. And it has other cool tools, like setting messages to disappear after a certain time. Viber also has a phone connection so you can call landlines and mobile numbers around the world.
10 Best Telegram Alternatives in 2024
Viber is a very much similar app like telegram which can be downloaded from Play Store and Apple Store for Android and iOS devices, also viber can be used through the web. Though it is a good app, switching through mobile or desktop seems very easy and efficient with viber. Apart from this, Viber also provides status of the messages to the user and keeps the chats private.
Top 10 Apps like Telegram for Android and IOs [2023]
Viber is an instant messaging software owned by the Japanese multinational firm Rakuten. In addition to instant messaging, Viber Out provides premium international landline and mobile calling services. Users may also share media items like pictures and videos. The service can be accessed on desktop platforms with no mobile connectivity, but users must register and be...
The best WhatsApp alternatives for 2023
Viber is free to use, though you can subscribe to 'Viber Out', a service that lets you make unlimited international calls to phones that don't have Viber installed. It's $6 a month.
The 7 best apps you can use as a WhatsApp alternative
Viber doesn't have the same name recognition as many other communication apps, but like Skype, it is a solid option if you want an app that can also place calls to mobile phones and landlines in addition to chatting with other app users. Free for iPhone and Android, it has voice, video, and text chat features, and it does this with end-to-end encryption for secure...

Social recommendations and mentions

Based on our record, Signal seems to be more popular. It has been mentiond 184 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Signal mentions (184)

  • Magic of software; what makes a good engineer also makes a good engineering org
    This is the Moxie that created Signal.[0] I'm pointing this out because people are acting like he's a bit naive. But Moxie has built a very successful company, without the need for VCs, and the tech is used by many big tech companies. Several use the signal protocol. It's a successful nonprofit building open source software. If your focus is to make large amounts of money, maybe his isn't the best advice. But if... - Source: Hacker News / 16 days ago
  • Rely less on Third-Party Services
    Signal is an end-to-end encrypted messenger,. - Source: dev.to / 3 months ago
  • How to Make a Product Secure: A Developer's Perspective
    Signal: This messaging app is built with end-to-end encryption at its core. It’s open-source, allowing experts worldwide to audit its security protocols. - Source: dev.to / 6 months ago
  • 3G Cell Service Has a HUGE Security Flaw. 🫢
    Well, the best thing you can do right now is stop using cell service (particularly 3G networks) whenever possible. For texting and phone calls, use an encrypted internet based service, like Signal or WhatsApp. Use authenticator apps or passkeys for two-factor authentication instead of your phone number. - Source: dev.to / 8 months ago
  • WhatsApp forces Pegasus spyware maker to share its secret code
    Just so you know: https://grapheneos.org/ and https://signal.org/ do exist! - Source: Hacker News / over 1 year ago
View more

Viber mentions (0)

We have not tracked any mentions of Viber yet. Tracking of Viber recommendations started around Mar 2021.

What are some alternatives?

When comparing Signal and Viber, you can also consider the following products

Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.

Element.io - Secure messaging app with strong end-to-end encryption, advanced group chat privacy settings, secure video calls for teams, encrypted communication using Matrix open network. Riot.im is now Element.

WhatsApp - WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.

Skype - Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.

Tox - Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.

Facebook Messenger - Facebook Messenger is a faster way to message.