Side by side
Messagenius vs Threema
Both stand on business instant messaging - enterprise software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Paid AndroidiPhoneLinux+3
Visit Messagenius 
Free trial AndroidAPIiPhone+5
Threema combines encrypted messaging, open-source clients, and business integration options. Its paid plans cover private, team, and self-hosted use, with the mobile-app requirement applying to regular desktop and web access.
Visit ThreemaThe facts
| Messagenius | Threema | |
|---|---|---|
| Free plan | Not published | A free trial |
| Open source | Not published | Not published |
| Runs on | Android, iPhone, Linux, Mac, Web, Windows | Android, API, iPhone, Linux, Mac, Self-hosted, Web, Windows |
| Lowest paid plan | Not published | Core: $3 a month |
| Plans published | None | 4 |
| Maker | Not published | Not published |
| Website | messagenius.com | threema.com |
| On business instant messaging - enterprise software | #21 of 21 | #17 of 21 |
Messagenius: what it does well
Threema: what it does well
- No phone number or email required
- End-to-end encryption by default
- Open-source apps across major platforms
- Supports voice and video calls
- Business APIs and broadcast tools
What to know first
- No free plan
- Desktop requires an activated mobile app
- OnPrem users communicate only within that instance
- Private price varies by store and country
Alternatives to Messagenius Alternatives to Threema The whole list