Si-1 Android

Si-1

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

Features & Capabilities

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.

User Growth & Download Statistics

App
By:
SIGNAL BASE
Downloads:
170
Version:
1.5.1 Last updated: 2025-08-21
Version code:
7
Creation date:
2025-08-20
Publisher country:
JP JP
Permissions:
  • android.permission.INTERNET Low risk
  • com.android.vending.BILLING Low risk
  • android.permission.ACCESS_NETWORK_STATE Safe
  • com.android.vending.CHECK_LICENSE Safe
  • com.signalbase.si1.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Size:
17.28MB
Email:
si*****@gmail.com
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Google Play Store
Data ingested on:
2026-07-05
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Android app. Please use these information below to contact the Android app developer.
Developed by:
SIGNAL BASE
Google Play Store
https://play.google.com/store/apps/details?id=com.signalbase.si1
Email:
si*****@gmail.com
Website:
https://si-1.signal-base.jp/

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