W20 vs SmartAlarmsPro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
W20
Control your alarm system remotely via phone calls, SMS, or a dedicated app. Receive instant notifications on your phone in case of emergencies, and integrate various accessories like door sensors and infrared detectors.
- Multi-function alarm system
- Remote control via phone call
- Remote control via SMS
- App-based control
- Emergency notifications
- Accessory integration (door sensors, infrared)
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This is a multi-function alarm, can through the way of telephone or SMS control equipment, can also through the phone APP to control it.Can add the remote control on the equipment, magnetic door, infrared, such as accessories, installation area of the device in the event of an emergency it sets off the alarm at the same time through the APP send notifications to your phone.
SmartAlarmsPro
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SmartAlarmPro is a professional and powerful management and control terminal for intelligent alarm devices. It can set up and disengage the alarm system, configure alarm devices and accessories, and receive real-time alarm notifications, allowing users to obtain safety information in the first time.
Screenshots
Verdict
The clearest difference is iOS requirement: W20 at 8.0 against SmartAlarmsPro's 15. On price, update cadence, ads and in-app purchases 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.
W20 ships an update every 4 weeks, SmartAlarmsPro fortnightly. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.
| Parameter | W20 | SmartAlarmsPro |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (4 ratings) — better | — |
| Positive reviews | 3.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 4 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 8.0 — better | 15 |
| Further details — not scored | ||
| Size | 58 MB | 199 MB |
| Age rating | 4+ | 4+ |
| Developer | 传林 方 | 瑞发 李 |
In-app purchases
W20
No in-app purchases
SmartAlarmsPro
No in-app purchases
