Head-to-head · Encrypted Calling Apps
Threema vs Proton Meet
Threema leads on 0 checks, Proton Meet on 1, and 1 is even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreThreema · 9.2/10
- Free planonly Proton Meet
- Free trialonly Proton Meet
Threema scores higher on our rubric for encrypted calling apps: 9.2 against 8.7 out of 10; our editors rank them #2 and #7.
Proton Meet offers free plan; Threema doesn't.
Threema is the better fit for privacy-focused users wanting broad device support. Proton Meet is the better fit for encrypted meetings with clear participant limits.
- Threema fits best
Privacy-focused users wanting broad device support
- Proton Meet fits best
Encrypted meetings with clear participant limits
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Side by side
| Feature | Threema 9.2/10 Visit ↗ | Proton Meet 8.7/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.2 | 8.7 |
| Ranking | #2 in Encrypted Calling Apps | #7 in Encrypted Calling Apps |
| Best for | Privacy-focused users wanting broad device support | Encrypted meetings with clear participant limits |
| Pricing model | Paid | Free plan + paid |
| Starting price | $7.49/unit one-time | $7.99/user/mo |
| Free plan | — | ✓ (best) |
| Free trial | — | 14 days |
| Deployment | Cloud, Desktop, Mobile | Cloud, Desktop, Mobile |
| Platforms | Web, Windows, macOS, Linux, iOS, Android | Web, Windows, macOS, Linux, iOS, Android |
| Support | Tickets, Docs | Live chat, Docs · 24/7 |
| Compliance | GDPR | SOC 2, ISO 27001, GDPR, HIPAA, PCI DSS, 2FA |
| Built for | Solo, Small business, Mid-market, Enterprise | Solo, Small business, Mid-market, Enterprise |
| Features Threema 1/5 · Proton Meet 1/5 | ||
| Video calling | Not checked yet | Not checked yet |
| Screen sharing | Not checked yet | Not checked yet |
| Self-hosting | Not checked yet | Not checked yet |
| Team admin controls | Not checked yet | Not checked yet |
| Open source | ✓ | ✓ |
| Specs | ||
| Group call limit | Not checked yet | Not checked yet |
| Platform coverage | Not checked yet | Not checked yet |
| Our review | ||
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| Cons |
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| Our verdict | Threema is an encrypted messaging and calling app for individuals, organizations, and security-sensitive teams. It supports end-to-end encrypted text and voice messages, voice and video calls, group chats, file sharing, polls, and emoji… Read the review → |
Proton Meet is an encrypted video conferencing service for individuals, teams, and organizations that need private online meetings. It protects audio, video, screen sharing, and chat with end-to-end encryption, and guests can join through… Read the review → |
Strengths and trade-offs
Threema — where it wins
- End-to-end encrypted voice, video, and group calls
- Works across web, Windows, macOS, Linux, iOS, and Android
- Encrypted Threema Safe backups and group chats for up to 256 members
Where it doesn't
- There is no free plan
- Threema Private is sold for Android through the Threema Shop
- Support channels are tickets and documentation
Proton Meet — where it wins
- End-to-end encryption covers audio, video, screen shares, and chat
- Free meetings support up to 50 participants for 60 minutes
- Paid plan adds local recording and meetings of up to 100 participants
Where it doesn't
- Free meetings are limited to 60 minutes and five links per day
- Recording is local MP4 rather than cloud-based
- Paid access starts at $7.99 per user monthly on annual billing
- Threema9.2/10 · 30-day trial
A paid, multi-device app for private calls, messaging, and encrypted backups.
Visit ThreemaFull verdict → - Proton Meet8.7/10 · Free plan · 14-day trial
Private audio, video, screen sharing, and chat, with plans for up to 100 participants.
Visit Proton MeetFull verdict →
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All encrypted calling apps comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update






