Page tree
Skip to end of metadata
Go to start of metadata

Service contains risks and is suitable for some use cases. (Read more)

The service if produced entirely or partly outside EU/ETA area. The customer is responsible for fulfilment of european data privacy and information security requirements. (Read more)


Telegram is a cloud-based instant messaging service for mobiles and desktops (messages, phone calls, video calls, team communication). Telegram app works on Android, iOS, Mac, Linux and windows operating systems. 

Terms of Service & Privacy Policy

Evaluation (13 Oct 2020)

  • (plus) End to End ecryption is possible (Secret Chat)
  • (plus) The Self-Destruct Timer is available for all messages in Secret Chats or any messages you sent or received can be deleted in any one-on-one conversation, messages are deleted from both participants (but not in Group Chat)
  • (plus) Versatile; Group discussions,Bots, Channels, Multimedia, File Transfer up to 2 GB
  • (plus) Open (mainly) Source (at least APIs)
  • (plus) Auditing possilbe for Third Party
  • (plus) Good documentation (esp. for Security Features)
  • (plus) Compatible with other messaging apps, for example Slack and Irc
  • (plus) Account can be removed by user (all data will be removed)
  • (plus) Unused account will be deleted after 6 months after last login, all data will be removed
  • (plus) Two-step authentication possible
  • (plus) No advertisements
  • (minus) Data is stored to Cloud (for EU/ETA users the service is in the Netherlands
  • (minus) Phone app is mandatory to install (Utilises mobile phone contacts although desktop or browser used)
  • (minus) Encryption is not on by default
  • (minus) Uses own encryption protocol MTProto Mobile Protocol (which is well descripted (plus)) but only some of Telegam´s clients uses it
  • (minus) Terms of Service inadequate


  • Logging is done by full (international) phone number and password while installing Telegam Client. Account is verified by SMS.
  • Two-step authentication can be switched on in settings (password + SMS)



  • Telegram Org (Pavel and Nikolai Durov).


  • Pavel Durov is financing Telegram for ideological reasons.

Similar services

  • Signal, WhatsApp