Si-1

Si-1

A super anonymous, encrypted messaging app that allows you to communicate secretly without anyone reading your messages.

Developer: SIGNAL BASE
App Size:
Release Date: Aug 20, 2025
Price: Free
Price
Free
Size

Screenshots for App

Mobile
Si-1 is an encrypted messaging app that uses powerful symmetric key encryption to ensure private messaging.
Features:
- Send secure, private messages with just a password (keyword) and the recipient's key.
- Communicate naturally by embedding the password in everyday communication methods like LINE, email, and social media.
- Anonymous account registration is also possible.
- History management is available.
- Simple UI makes it easy for anyone to use.
Example:
Set and share a password and username/key with each other.
Simply encrypt the message body using the app.
Then, simply mix the password into your everyday messaging via LINE, email, etc. and send.
The recipient decrypts and checks the contents using the Si-1 app.
[Recommended Uses]
- Important communications, passwords, secret messages, etc.
- Communication between couples, business partners, and family members who want to protect privacy.
* The content of encrypted messages cannot be viewed by the app administrator.
* For enhanced security, please take care when managing and sharing keys.
* If a key is lost, even the administrator cannot recover it.
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More Information about: Si-1
Price: Free
Version: 1.5.1
Downloads: 10
Compatibility: Android 7.0
Bundle Id: com.signalbase.si1
Size:
Last Update: Aug 20, 2025
Content Rating: Everyone
Release Date: Aug 20, 2025
Content Rating: Everyone
Developer: SIGNAL BASE


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