imo
Palo Alto, California, United States
What it is
imo is an app for internet calls and messaging, available on Android, iOS, macOS, web, and Windows. It offers free HD audio and video calls, including international calls, and group video calls for up to 20 participants without a fixed time limit. Chats support real-time messages, photo and video sharing, voice recordings, and group conversations. Big Group supports up to 5,000 members, while Stories let users share photos, videos, and text updates that disappear after 24 hours. Listed privacy features include end-to-end encryption, Time Machine, and disappearing messages; the homepage also describes two-step verification and spam blocking. The stated encryption coverage is mixed. imo provides instant message translation, which its privacy policy says may use Google Translate. That policy also says the app collects usage data, including whom users communicate with, communication times, and message content. On iOS, imo integrates with Siri and can access iCloud Drive for sharing files. The app is free, but mobile carrier data charges may apply to internet calls.
For and against
For
- Free HD audio and video calls over the internet.
- Group video calls support up to 20 participants.
- Big Group supports up to 5,000 members.
- Stories disappear after 24 hours.
- Available on Android, iOS, macOS, web, and Windows.
Against
- Carrier data charges may apply to internet calls.
- Privacy policy says message content is collected.
- Encryption coverage is mixed.
The verdict
imo combines calls, messaging, group conversations, and short-lived Stories across several platforms. Consider its stated data collection and possible carrier charges when deciding whether it fits your communication needs.
Who it suits
imo may suit people seeking free internet calls and messaging across mobile, desktop, and web platforms. Its group calling and large-group features may appeal to people communicating with several participants.
Plans and prices
imo
Free calls and messages; carrier data charges may apply
Read 5 Oct 2026 · imo.im
On the record
- Account security
- The homepage says imo supports two-step verification and spam blocking.imo.im · read 5 Oct 2026
- Calls
- imo offers free HD audio and video calls over the internet, including international calls.imo.im · read 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 · read 5 Oct 2026
- Group calls
- Group video calls support up to 20 participants and have no fixed time limit.imo.im · read 5 Oct 2026
- Integrations
- The privacy policy describes iOS integration with Siri and access to iCloud Drive for sharing files.imo.im · read 5 Oct 2026
- Large groups
- imo says its Big Group feature supports groups of up to 5,000 members.imo.im · read 5 Oct 2026
- Messaging
- Chats support real-time messages, photo, video and voice-recording sharing, and group chat.imo.im · read 5 Oct 2026
- Privacy features
- The homepage lists end-to-end encryption, Time Machine and disappearing messages as privacy features.imo.im · read 5 Oct 2026
- Product
- imo is an instant communication app for calls and messages.imo.im · read 5 Oct 2026
- Stories
- imo Stories let users share photos, videos and text updates that disappear after 24 hours.imo.im · read 5 Oct 2026
- Support
- The download FAQ directs users who need help to [email protected].imo.im · read 5 Oct 2026
- Translation
- imo offers instant message translation, and its privacy policy says translation may be provided by Google Translate.imo.im · read 5 Oct 2026
- Usage limitation
- Internet calls are free, but mobile carrier data charges may apply.imo.im · read 5 Oct 2026
