Care Alert US vs MerryIoT Sensor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Care Alert US
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Care Alert provides the integration of the following features: - Smart home devices can be controlled remotely or via automation rules - IPCam live streaming - Healthcare sensors such as emergency buttons and mobility sensors to alert family in case of any emergency or falling. - Event history
MerryIoT Sensor
Monitor your home's environment with this app. It tracks air quality, detects water leaks, and alerts you to unexpected movement, helping ensure a healthy and safe living space.
- Air quality monitoring
- Water leak detection
- Movement detection
- Home safety alerts
- Healthy home environment
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MerryIoT is the simple way to a healthy and safe home. Download the MerryIoT app and monitor air quality status, water leak detection, unexpected movement, etc…
Screenshots
Verdict
The clearest difference is iOS requirement: MerryIoT Sensor at 13.0 against Care Alert US's 15.0. 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.
Care Alert US ships an update every 3 months, MerryIoT Sensor every 5 months. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.
| Parameter | Care Alert US | MerryIoT Sensor |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (2 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 3 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 308 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Climax Technology Co., LTD. | BROWAN COMMUNICATIONS INCORPORATION |
In-app purchases
Care Alert US
No in-app purchases
MerryIoT Sensor
No in-app purchases
