Cryptogram.IM Messenger vs Chot: Secure Instant Messaging使用状況と統計

Cryptogram Messenger application uses your device's cellular or WiFi Internet connection to let you send messages worldwide and free*. Simple:  You don't need a password for your account - the authentication keys are generated and stored only on your device, so no one ever will access them. Easy: Crystal clear voice calls within the application*. All you need is your iPhone. Quality: Send and receive photos and videos with HD quality in seconds. Secure: All messages are permanently destroyed if not delivered in 24 hours. More: Just show your profile QR-code to your friends and start conversation in seconds. You are still able to choose a username, so other people could find you. *The service may be not available in some countries. Data charges may apply. Contact your provider for details. Please read "Terms of Service" for details: https://cryptogram.im/terms