Signal vs WhatsApp


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Signal
Privacy is possible, Signal makes it easy. Send high-quality group, text, picture, and video messages, all without SMS and MMS fees. Signal alternatives for business are Slack, Hipchat, Microsoft Teams.
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WhatsApp
WhatsApp Messenger is a cross-platform mobile messaging app which allows you to exchange messages without having to pay for SMS. WhatsApp Messenger is available for iPhone, BlackBerry, Android, Windows Phone and Nokia and yes, those phones can all message each other! Because WhatsApp Messenger uses the same internet data plan that you use for email and web browsing, there is no cost to message and stay in touch with your friends. Secure WhatsApp alternatives are Signal and Telegram.
Comparing Signal vs WhatsApp is like comparing apples to oranges. Because your business is unique and nobody except you can decide, which is better for your company. But we can add some fun to your research and suggest some new comparison parameters.

Let's start with videos. We think that WhatsApp has better video than Signal



Ok, now let's compare the UI. Looks like WhatsApp has more user-friendly interface than Signal because it's bigger. At least on our screenshots


To compare the popularity of the solutions we counted how many alternatives people search for each of them on the Internet. And it turns out that WhatsApp is more popular than Signal

Now let's look at the recent activities of our competitors:

- WhatsApp launches business-accounts (in 2017)
- WhatsApp enabled two-factor authentication for everyone (in 2017)
- Encrypted messenger Signal adds voice and video calling (in 2017)
- WhatsApp launches video calls (in 2016)
- WhatsApp launched desktop version for Mac and Windows (in 2016)
- WhatsApp now supports full end-to-end encryption (in 2016)
- WhatsApp will go free and add features for business (in 2016)
- WhatsApp web client adds iOS support (in 2015)
- WhatsApp launches web browser version (in 2015)

Looks like WhatsApp was recently more active than Signal (at least in our news).