Platforms
Web, Android, iOS, Windows, Linux, macOS, BSD, Windows phone, UWPPublisher
Various companies affiliated with TelegramEnd-to-end encryption
Secret chatsVideoconferencing
YesMedia
images / video / audio / GIFs / stickers / PiP Video / VideomessagesAudio recording
YesVoIP
YesService integrations
Through botsGroups
≤ 100,000Video recording
YesLocationsharing
LiveDIY integrations
YesMessage history
YesOpen source
Most clientsIn-app purchases
To pay 3rd partiesUsernames
yesMessage deletion
Mutual/timedCloud sync
YesAudio/video streaming
Only from some clientsOpen source backend
noMultiplatform
YesProxy support
yesFile Size
2048 MBUnit Testing
YesMultidevice
CloudOpen clients API
yes