Sosin

Sosin is a messaging application focused on a fast and secure interaction between its users, currently available for on both Google Play Store and Apple’s App Store.

The main idea revolves around being able to only send and see one message at a time, which means there’s no history of your messages beside the most recent update. There are no advertisements inside the app, and the only way we earn something is through the process below.

If you’re talking with someone, and you already sent “Hi!”, but just updated your message to “How are you?”, it means that “Hi!” will be saved as what we call last message, and it can be viewed once you get the premium version. You can either pay monthly, yearly or buy the lifetime license!

As said earlier, no history of your messages is saved as every chat on Sosin is composed of the following elements:

  • A timestamp of when that chat initiated
  • Our internal ID of the user who initiated that chat (the “sender”)
  • Our internal ID of the user who received that chat (the “recipient”)
  • The sender’s message, with only a timestamp of the last edit
  • The recipient’s message, with only a timestamp of the last edit
  • The last message, with the timestamp of the last “lost” message (as described above)

As you can see, there isn’t a “list of messages” as every other messaging app, which is our main distinguishing feature: all messages are overwritten instead of created.

What about end-to-end encryption?, you might ask. We don’t have it. This is a decision taken for legal purposes. As Sosin doesn’t have a history, your current messages are not encrypted and can be accessed if requested by lawyers for some reason, but again, as it doesn’t have a history, we can’t do anything if the message they’re looking for is already long gone, since we’re overwriting data.

We hope you can enjoy Sosin’s safe environment for any conversation you want to have with anyone on our platform. Please be sure to read our Privacy Policy and Terms of Service.

Version 1.0.0 (November/2020)

Sosin has recently been rewritten and updated to version 1.0.0, so what changed?

  • The whole database got a better structure to work with
  • The monetization has changed to subscription/lifetime purchase
  • The chat page now is more similar to other chat apps
  • The Channels feature has been removed, you can only search for users manually now
  • You don’t have to wait for your chat member to be online to send messages, the only requisite now is that they’ve answered your previous message. To indicate that, we now have read indicators.