Threema OnPrem vs HotZone
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. The platform ensures confidentiality for sensitive government and industrial communications.
- Self-hosted for complete data sovereignty
- End-to-end encrypted communication
- Secure voice and video calls
- Confidential team, group, and project chats
- Secure file and document exchange
- Cross-platform use (mobile, desktop, web)
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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!
HotZone
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HotZone ist dein Live-Guide für die Nacht in deiner Stadt. Entdecke handverlesene Bars, Clubs, Restaurants und Events auf einer interaktiven Karte. Wähle deine HotZone, plane deinen Abend und erhalte aktuelle Community-Updates direkt aus deinem Venue-Kontext. Features: • Entdecke Locations und Events in Berlin, Hamburg, München, Köln und Frankfurt • Wähle deine Stadt und filtere nach Clubs, Bars und Restaurants • Erkunde Venues über die Karte und plane deinen nächsten Abend • Melde dich für verfügbare Event-Gästelisten an – direkt oder nach Zusage des Veranstalters • Tausche dich in deiner aktiven HotZone über gemeinsame Interessen und den Abend aus • Erhalte mit HotZone Premium zusätzlichen Zugang zu ausgewählten Venue-Events und Community-Vorteilen HotZone macht das Nachtleben deiner Stadt übersichtlicher: ein Ort für Spots, Events und lokale Community. Terms of Use: https://marijanfrey.de/terms Privacy Policy: https://marijanfrey.de/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Threema OnPrem at none against HotZone's 2. Threema OnPrem also leads on update cadence (every 10 days vs every 3 weeks). HotZone's advantage is iOS requirement (15.0 vs 18.0). On price, ads 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. HotZone sells 2 one-off in-app purchases. Threema OnPrem asks for nothing beyond the download.
Threema OnPrem ships an update every 10 days, HotZone every 3 weeks. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.
| Parameter | Threema OnPrem | HotZone |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 10 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 112 MB | 19 MB |
| Age rating | 4+ | 17+ |
| Developer | Threema GmbH | Marijan Frey |
In-app purchases
Threema OnPrem
No in-app purchases
HotZone
- Boost$2.99
- HotZone Night Pass$3.99
