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imo

iPhone + Android

7.6No. 19 of 40
in Encrypted Messaging Apps
  • Recognised40% of the score50
  • Phone app26% of the score100
  • Documented20% of the score57
  • Free plan14% of the score30
Free plan
No
Runs on
Web, Windows, Mac, iPhone, Android
Visit site Alternatives

Summary

imo is ranked #19 of 40 in encrypted messaging apps on Samsung Mobile US Press. It runs on Web, Windows, macOS, iOS, Android.

Compared on encrypted messaging apps

Free plan
Yesimo.im
Encryption coverage
mixedimo.im
Maximum group size
5,000 membersimo.im
Desktop app
Yesimo.im
Voice and video calls
Yesimo.im
Disappearing messages
Yesimo.im

Company

Headquarters
Palo Alto, California, United Statesimo.im · 28 Sept 2026

Best imo alternatives

See all 12
Signal No. 1 9.7 iPhone + AndroidFreeWire No. 2 9.6 iPhone + Android€7.45/moSimpleX Chat No. 3 9.4 iPhone + AndroidFreeSession No. 4 9.4 iPhone + Android$2.99/moDelta Chat No. 5 9.2 iPhone + AndroidFreeOlvid No. 6 9.2 iPhone + Android€82.50/mo

Where it ranks on Samsung Mobile US Press

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Sources