Threema OnPrem vs One Cloud Tech
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Threema OnPrem
This secure messaging solution offers organizations complete data sovereignty by hosting on their own servers. It provides end-to-end encrypted communication for teams, including voice and video calls, and secure file sharing, all protected by PIN or fingerprint.
- Self-hosted solution
- Complete data sovereignty
- End-to-end encrypted calls
- Secure file sharing
- Cross-platform compatibility
- PIN/fingerprint chat protection
Read full descriptionHide full description
Threema OnPrem is the self-hosted communication solution for organizations with the highest security requirements. The combination of Threema’s proven security architecture and complete data sovereignty creates an independent communication environment that is unmatched in terms of confidentiality – ideal for government agencies, police forces, and industrial companies. Advantages of Threema OnPrem: • 100% data sovereignty through hosting on your own servers • Proven Threema security architecture • Confidential communication in teams, groups, and projects • End-to-end encrypted voice and video calls • Secure exchange of files and documents in all formats • Cross-platform use thanks to mobile app, desktop app, and web client • Additional protection of confidential chats with PIN or fingerprint NOTE: Before you can use this app, Threema OnPrem must be set up on your company server. For more information, visit threema.com/onprem. Enjoy using Threema OnPrem!
One Cloud Tech
Read full descriptionHide full description
One Cloud Tech is a modern communication platform designed for fast, elegant, and reliable conversations. Stay connected through real-time messaging, voice and video calls, group chats, media sharing, and seamless contact management. Built for both personal and professional communication, One Cloud Tech delivers a clean interface, smooth performance, and a secure experience that helps you connect with confidence anytime, anywhere.
Screenshots
Verdict
The clearest difference is update cadence: One Cloud Tech at every 3 days against Threema OnPrem's every 10 days. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Threema OnPrem ships an update every 10 days, One Cloud Tech every 3 days. The most recent releases landed on October 12, 2026 and September 29, 2026 respectively.
| Parameter | Threema OnPrem | One Cloud Tech |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 10 days | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 111 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Threema GmbH | Ecloud Technologies LLC |
In-app purchases
Threema OnPrem
No in-app purchases
One Cloud Tech
No in-app purchases









