Tech riderRev. 5 Oct 2026

imo

Ch 057.6of 43 Encrypted Messaging Apps

1Runs onAndroid, iOS, Mac, Web, Windows
2CostsFree plan
3Encryption coveragemixed
4Maximum group size5,000 members
5Desktop appYes
6Voice and video callsYes
7Disappearing messagesYes

7 lines stated Written from the maker's own pages: imo.im

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Overview

imo is ranked #5 of 43 in encrypted messaging apps on Specifiction. It runs on Android, iOS, macOS, Web, Windows. There is a free plan.

imo plans and pricing

All plans

imo Free Free calls and messages; carrier data charges may apply imo.im · 5 Oct 2026

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

Facts

Product: imo is an instant communication app for calls and messages.imo.im · 5 Oct 2026
Calls: imo offers free HD audio and video calls over the internet, including international calls.imo.im · 5 Oct 2026
Group calls: Group video calls support up to 20 participants and have no fixed time limit.imo.im · 5 Oct 2026
Messaging: Chats support real-time messages, photo, video and voice-recording sharing, and group chat.imo.im · 5 Oct 2026
Large groups: imo says its Big Group feature supports groups of up to 5,000 members.imo.im · 5 Oct 2026
Stories: imo Stories let users share photos, videos and text updates that disappear after 24 hours.imo.im · 5 Oct 2026
Privacy features: The homepage lists end-to-end encryption, Time Machine and disappearing messages as privacy features.imo.im · 5 Oct 2026
Account security: The homepage says imo supports two-step verification and spam blocking.imo.im · 5 Oct 2026
Translation: imo offers instant message translation, and its privacy policy says translation may be provided by Google Translate.imo.im · 5 Oct 2026
Data handling: imo's privacy policy says it collects usage data including whom users communicate with, communication times and message content.imo.im · 5 Oct 2026
Integrations: The privacy policy describes iOS integration with Siri and access to iCloud Drive for sharing files.imo.im · 5 Oct 2026
Platforms: imo lists Android, iOS, Windows and Mac downloads, and its FAQ also describes using imo Web in a browser.imo.im · 5 Oct 2026
Support: The download FAQ directs users who need help to [email protected].imo.im · 5 Oct 2026
Usage limitation: Internet calls are free, but mobile carrier data charges may apply.imo.im · 5 Oct 2026