Comparison

Threema OnPrem vs One Cloud Tech

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Self-hosted solution
  • Complete data sovereignty
  • End-to-end encrypted calls
  • Secure file sharing
  • Cross-platform compatibility
  • PIN/fingerprint chat protection
Features
Read 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!

About

One Cloud Tech

Features
Read 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

Threema OnPrem4 screens
One Cloud Tech4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard1 real difference · 9 level
Threema OnPrem versus One Cloud Tech: the parameters behind the verdict, then further details
ParameterThreema OnPremOne Cloud Tech
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 10 daysEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad — betteriPhone
Requires iOS17.016.0 — better
Further details — not scored
Size111 MB24 MB
Age rating4+4+
DeveloperThreema GmbHEcloud Technologies LLC

In-app purchases

None

Threema OnPrem

No in-app purchases

None

One Cloud Tech

No in-app purchases

Questions

Is Threema OnPrem free?
Threema OnPrem is free to download, with no in-app purchases.
Is One Cloud Tech free?
One Cloud Tech is free to download, with no in-app purchases.
Do Threema OnPrem or One Cloud Tech have ads?
Neither Threema OnPrem nor One Cloud Tech shows ads.
Which is updated more often, Threema OnPrem or One Cloud Tech?
Threema OnPrem ships an update every 10 days, and One Cloud Tech every 3 days. Most recently, Threema OnPrem was updated on October 12, 2026 and One Cloud Tech on September 29, 2026.

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