All comparisons
AChat and Threema
Last checked
A messenger that asks for no phone number or email, with separate backup options for your ID and your chats.
Which to choose
Choose Threema if you want to give no personal data at all when you sign up.
Choose AChat if you also want rooms anyone can join by link, and a chat you can put on a website.
Side by side
| Feature | AChat | Threema |
|---|---|---|
| Sign up without a phone number | Yes | YesTheir page (opens in a new tab) |
| End-to-end encryption on personal chats | Yes | Not stated on the pages we checked |
| History comes back on a new device | Partly | PartlyTheir page (opens in a new tab) |
What AChat doesn't do
AChat has no voice or video calls. Your encrypted history comes back only with another linked device or your recovery key. Lose both, and nobody can restore it, including us.
What each costs
Threema
| Plan | Price | Source |
|---|---|---|
| Threema Private | Price not stated | Their page (opens in a new tab) |
Check it yourself
Prices change. Open their site before you decide.
Threema website (opens in a new tab)