Head-to-head · Encrypted Messaging Apps
SimpleX Chat vs Threema
SimpleX Chat leads on 1 check, Threema on 0, and 3 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreSimpleX Chat · 8.5/10
- Free planonly SimpleX Chat
- Free trialonly Threema
SimpleX Chat scores higher on our rubric for encrypted messaging apps: 8.5 against 8.0 out of 10; our editors rank them #7 and #12.
SimpleX Chat offers free plan; Threema doesn't. On encrypted backups, SimpleX Chat gives you None where Threema offers End_to_end.
SimpleX Chat is the better fit for privacy-focused users avoiding phone numbers. Threema is the better fit for users wanting anonymous, polished paid messaging.
- SimpleX Chat fits best
Privacy-focused users avoiding phone numbers
- Threema fits best
Users wanting anonymous, polished paid messaging
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Side by side
| Feature | SimpleX Chat 8.5/10 Visit ↗ | Threema 8.0/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.5 | 8.0 |
| Ranking | #7 in Encrypted Messaging Apps | #12 in Encrypted Messaging Apps |
| Best for | Privacy-focused users avoiding phone numbers | Users wanting anonymous, polished paid messaging |
| Pricing model | Free | Paid |
| Starting price | Free plan | $3/user/mo |
| Free plan | ✓ (best) | — |
| Free trial | — | 30 days |
| Deployment | Self-hosted, Desktop, Mobile | Cloud, Desktop, Mobile |
| Platforms | Windows, macOS, Linux, iOS, Android | Web, Windows, macOS, Linux, iOS, Android |
| Features SimpleX Chat 3/3 · Threema 3/3 | ||
| Desktop app | ✓ | ✓ |
| Voice and video calls | ✓ | ✓ |
| Disappearing messages | ✓ | ✓ |
| Specs | ||
| Encryption coverage | Default | Default |
| Maximum group size | Not checked yet | Not checked yet |
| Linked device limit | Not checked yet | 2 devices |
| Encrypted backups | None | End_to_end |
| Our review | ||
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| Our verdict | SimpleX Chat is an open-source encrypted messaging application for people who want private conversations without user profile identifiers. It supports end-to-end encrypted one-to-one and group messaging, file, image, and video sharing,… Read the review → |
Threema is a Swiss encrypted messaging application for individuals, companies, public authorities, and organizations. It combines end-to-end encrypted text and voice messaging with encrypted voice, video, and group calls, file sharing,… Read the review → |
Strengths and trade-offs
SimpleX Chat — where it wins
- End-to-end encrypted messages, media, groups, and calls
- Open-source apps for mobile, desktop, Linux, and self-hosting
- Disappearing messages and portable encrypted database export
Where it doesn't
- The same profile cannot be used simultaneously on multiple devices
- Desktop linking is supported locally rather than across simultaneous devices
- Self-hosted relay support may require additional technical administration
Threema — where it wins
- Anonymous account creation without a phone number or email
- Encrypted messaging, calls, backups, and automatic message deletion
- Apps and clients for web, desktop, iOS, and Android
Where it doesn't
- No free plan for private users
- Threema Safe excludes message and media history
- Work plans use annual billing with per-user monthly pricing
- SimpleX Chat8.5/10 · Free plan
A privacy-focused, open-source messenger that avoids user profile identifiers.
Visit SimpleX ChatFull verdict → - Threema8.0/10 · 30-day trial
A polished, anonymous messaging suite with strong privacy features and no free plan.
Visit ThreemaFull verdict →
More comparisons
- Signal vs SimpleX Chat
- WhatsApp vs SimpleX Chat
- Wire vs SimpleX Chat
- Messenger vs SimpleX Chat
- Delta Chat vs SimpleX Chat
- SimpleX Chat vs Jami
All encrypted messaging apps comparisons → · Full ranking →
Guides on encrypted messaging apps
- What Is Signal? How to Use the Encrypted Messaging AppAug 2026
- The Best Encrypted Messaging Apps in 2025: Signal, SimpleX, WhatsApp, and MoreAug 2026
- 8 Best Encrypted Messaging Apps for Your iPhone to Unlock True PrivacyAug 2026
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update





