Olarm vs Zone4U
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Olarm
Control and manage your home alarm system directly from your smartphone. This app allows you to arm, disarm, and monitor your system in real-time, receive notifications, and manage users. It also offers features like silent panic and gate control.
- Arm, Disarm, Sleep, Stay modes
- Arming reminders
- Real-time zone activity log
- Silent Panic
- Cancel Responder
- User management
- Gate and light control
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This is the companion app to the Olarm device. Plug and play into your existing home alarm system and you can control and manage your home alarm system from your phone. Please visit our website for more information. Features: - Set your alarm system to Arm, Disarm, Sleep or Stay - Set reminders to arm your system - Real-time zone activity log and notifications - Silent Panic - Cancel Responder - User management - Monitor electric fence - Control gates and lights
Zone4U
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Zonewatch Security is proud to announce the release of our Zone4U App. The App is free to download, and end-users will have access to a host of functions and features, including a cell phone-based panic system, on-site alarm testing, and many other exciting features.
Screenshots
Verdict
The clearest difference is update cadence: Olarm at every 3 weeks against Zone4U's every 16 months. Zone4U's advantage is iOS requirement (13.0 vs 15.1). 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.
Olarm ships an update every 3 weeks, Zone4U every 16 months. The most recent releases landed on November 11, 2026 and November 7, 2026 respectively.
| Parameter | Olarm | Zone4U |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (32 ratings) — better | — |
| Positive reviews | 54.2% of reviews | — |
| Number of ratings | 32 — better | — |
| Update frequency | Every 3 weeks — better | Every 16 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 39 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | Olarm (Pty) Ltd | Oryx Systems CC |
In-app purchases
Olarm
No in-app purchases
Zone4U
No in-app purchases









