About this app

SafeUM is a comprehensive solution for secure communication. It strongly encrypts instant text messages, voice, and video calls, group chats and files.
We made it our mission to provide the best security among communication apps for mass usage.
An ElGamal Elliptic Curve Cryptographic algorithm with 256-bits key provides a high level of security that meets modern standards and requirements and protects your confidential information.

SafeUM is the best solution for private and business secure communications.

Why Switch to SafeUM?
The secure messenger's features:
- encrypted group chats
- registration without a SIM card, using only login and password
- usage of 3 accounts simultaneously on one device
- chat history can be disabled on both sides simultaneously
- displayed messages number limitation
- cross-platform
- account access control
- account authorization history
- free encrypted audio- and video- calls inside SafeUM network
- technical support

Security:
- local data is not stored on your device. You can always securely access your data. Never lose your data again
- “enhanced encryption” mode
- verification of your interlocutor’s encryption keys with QR-code
- three levels of account access with three PIN-codes
- your personal information is not available when in public networks (e.g. Wi-Fi)
- security alerts of account hacking attempts
- dynamic secret key generation for each message
- additional protection: digital signature ensures the integrity of the transmitted data as well as the authenticity of the interlocutor

SafeUM heavily encrypts all your data with time-tested algorithms.

Be sure to check our website for a list of SafeUM apps for different platforms: https://SafeUM.com/
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When registering in SafeUM, a User is given a telephone number in a +3712 ХХХ-ХХХХ format (further - The Number).

In case of a User:
- doesn’t recharge The Number through 2 weeks (14 days) from the registration date
and/or
- from the last activity with the Number (incoming/outcoming call) have past 14 days or more, and the balance on the account is 0.00 EUR
SafeUM reserves the right to withdraw The Number.

Withdrawing The Number doesn’t impact on the User’s account functionality (including chats and calls within SafeUM to other SafeUM’s Users).

The recovery of The Number is technically IMPOSSIBLE.

When the balance is positive The Number will NOT be withdrawn.
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SafeUM - the most secure messenger for Android - in Social Networks:
Facebook page "Multimedia secure messenger: https://www.facebook.com/safeum.en"
LinkedIn: "Multimedia secure messenger: https://www.linkedin.com/company/safeum"
Twitter: "Secure Messenger: https://twitter.com/SafeUM"
"The best secure messenger Support 2018" Email: tech@SafeUM.com

Online tech support: "SafeUM Support" in the App

New features

Fixed minor bugs and crashes.

App Permissions

Allows applications to open network sockets.
Allows applications to access information about networks.
Allows an application to modify global audio settings.
Allows an application to record audio.
Allows an application to read or write the system settings.
Allows read only access to phone state, including the phone number of the device, current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device.
Allows applications to access information about Wi-Fi networks.
Allows an application to read the user's contacts data.
Allows an application to write the user's contacts data.
Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.
Allows applications to disable the keyguard if it is not secure.
Required to be able to access the camera device.
Allows access to the vibrator.
Allows applications to change Wi-Fi connectivity state.
Allows applications to connect to paired bluetooth devices.
Allows applications to discover and pair bluetooth devices.
Allows an application to receive the ACTION_BOOT_COMPLETED that is broadcast after the system finishes booting.