What's the difference between Signal and WhatsApp?

This article will compare and contrast both applications' similarities and differences.

WhatsApp as opposed to Signal? If you want to know which messaging app is best for you, you've come to the correct place.

Whatsapp and Signal are two of the most popular messaging services in the globe. On the surface, they may share many characteristics, but when you dig deeper and get into the nitty-gritty, key differences begin to emerge. Signal, which was developed by the original creators of WhatsApp, has gained prominence as a result of WhatsApp's decision to share user information with its parent company Meta, which also owns Facebook and Instagram.


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Both messaging applications are comparable, making it difficult to determine which platform is best. This article will assist you in making a decision by discussing the features, security, and other factors of each app.


Signal versus Whatsapp Features


Whatsapp has all the features expected of a free messaging program. On their phones, users can transmit and receive text messages, voice messages, voice calls, and video calls with their contacts. Whatsapp also enables users to transmit each other photos, videos, GIFs, emojis, and stickers; however, there is a 16 MB file size limit, which causes files to be compressed and lose quality. This can be accomplished on a one-to-one basis or in a group conversation with up to 512 participants.

It is also possible to submit documents up to 2GB in size via the application. Users can exchange files such as PDFs and office documents such as Word and Excel. In addition, WhatsApp added a new feature known as statuses. Similar to Stories on other social media platforms such as Instagram and Snapchat, users can submit 24-hour-long videos and images. You can also share your location with contacts, which can be either a static location or a dynamic location that updates as you move.

WhatsApp also enables users to send messages that vanish after a predetermined period of time, ranging from 24 hours to 90 days. This is possible in both solitary and group chats. In group conversations, however, the feature must be enabled by the group administrator.



It has all the features you would expect from a modern messaging program, similar to WhatsApp. These files, which include free text and multimedia messages, are limited to 300KB, which is quite small. Compared to Whatsapp's 16MB file size limit, it can be quite restrictive. Users can have voice and video conversations with contacts and groups, as well as share files and locations. These groups can have up to a thousand members, which is nearly double the capacity of WhatsApp.

Signal also allows users to send self-destructing messages, which can last anywhere between 30 seconds and four weeks. In contrast to WhatsApp, users can configure this feature on the receiving end as well, so that once a message is read, it is deleted after the allotted time. Additionally, you can send view-once media and audio messages, which is convenient.

Note-to-self functionality is another feature that differentiates it from WhatsApp. It enables users to send themselves messages, allowing them to transform their phone into an electronic notebook and stay organized.


Signal versus WhatsApp Security


By default, WhatsApp employs end-to-end encryption so that all messages can only be viewed by the sender and recipient. This means even WhatsApp cannot view the communications. Signal Protocol is the encryption protocol, which provides one of the highest levels of security. It is open source, so anyone can view the code, critique it, identify defects, and contribute to its enhancement.

Additionally, WhatsApp has two-step verification, which helps prevent unauthorized account access, and the ability to secure messages.


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Despite the fact that the communications themselves are encrypted, the metadata and backups are not and are vulnerable. Included in the metadata stored on their servers are your name, mobile phone number, contacts and their details, and IP address. Since May 2021, WhatsApp users have been subject to a new privacy policy that permits WhatsApp to share user data with its parent company Meta.



Compared to WhatsApp, Signal Signal Messenger is arguably the more secure messaging application. It utilizes the Signal protocol to encrypt all messages between users end-to-end. Each conversation also has a unique safety number that allows users to verify the chat's security. Signal collects only a user's phone number, which is used to link to their profile, in contrast to Whatsapp's acquisition of metadata. Additional data such as the time and location from which a message was sent are not collected.

Signal also includes an obscuring feature. It protects individuals' identities by automatically blurring their features in photographs. Signal also offers two-factor authentication and the ability to secure communications with a PIN, fingerprint, or facial recognition.


Signal versus WhatsApp Considerations


Whatsapp is compatible with both iOS and Android mobile devices. Whatsapp is also available on Windows and Apple Mac as a desktop application. It is known that the browser version has difficulty connecting with mobile devices due to a QR code scanning error. Also available in sixty languages, WhatsApp demonstrates its global reach. WhatsApp has more than 2 billion users, so it is familiar to a large number of people, making it simple to initiate conversations. One disadvantage is that only one phone number can be used simultaneously on any given device. However, you can attach WhatsApp to up to four devices using your phone.



Signal is available for both iOS and Android. It also has a desktop application for Windows and Mac, and it is also available for Linux, unlike WhatsApp. There is currently no web browser version of Signal. Signal can connect to five devices.

Unlike Whatsapp's extensive language options, Signal only supports twelve.


Signal has more users than WhatsApp?

No, Signal has approximately 20 million monthly active users, whereas WhatsApp has 2 billion users. Despite the fact that it is swiftly gaining users.


Who is the Signal app's owner?

The Signal Foundation owns the Signal platform. Specifically Brian Acton and Moxie Marlinspike, one of the original WhatsApp architects. It is a charitable organization.


Why is Signal more popular than WhatsApp?

Signal provides end-to-end encryption, and unlike WhatsApp, it does not share metadata with Meta and its subsidiary companies.


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Final Reflections

Both messaging applications have all the expected features, so it is difficult to compare them in this regard. If privacy and security are your top priorities, you should transition to Signal like so many other WhatsApp users have already done. However, it can be challenging to convince others to join you on the app due to its substantially smaller user base and lack of familiarity. Signal vs. WhatsApp is ultimately a matter of personal preference, but we trust this article will assist you in reaching the best decision for you.

Ojike Stella

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