Side by side

ChatSecure vs imo

Both stand on encrypted messaging apps. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

imo combines messaging, internet calls and large-group features across several platforms at no charge. Its stated collection of message content and mixed encryption coverage are important privacy considerations.

Visit imo

The facts

	ChatSecure	imo
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	iPhone	Android, iPhone, Mac, Web, Windows
Lowest paid plan	Free or on request	Free or on request
Plans published	1	1
Maker	Not published	Not published
Website	chatsecure.org	imo.im
On encrypted messaging apps	#15 of 43	#11 of 43

ChatSecure: what it does well

imo: what it does well

Free HD internet audio and video calls
Group video calls for up to 20 people
Big Group supports up to 5,000 members
Stories disappear after 24 hours
Available on Android, iOS, macOS, web and Windows

What to know first

Carrier data charges may apply to calls
Privacy policy says message content is collected
Encryption coverage is mixed

Alternatives to ChatSecure Alternatives to imo The whole list