IAMMETER vs WatchPower
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IAMMETER
Monitor your home's electricity consumption in real-time. Track energy flow, grid import/export, and solar PV production. Integrate with popular home automation systems.
- Real-time electricity usage tracking
- Monitor energy flow
- Solar PV system production monitoring
- Grid import/export tracking
- Home automation integration
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This app is a tool of IAMMETER (https://www.iammeter.com), an online energy monitoring system developed by us. By installing our WiFi energy meter and running this app, you can 1. Track your home electricity usage in real-time. To learn more, please visit https://www.iammeter.com/doc/iammeter/residential_electricity_system.html; 2. Monitor the entire energy flow, the energy imported from/exported to grid and solar PV system production, for you solar PV system. To learn more, please visit https://www.iammeter.com/doc/iammeter/monitor-your-solar-system.html; 3. Integrate with some Home Automation system, such as Home Assistant, openHAB, NodeRED, etc. To learn more, please visit https://www.iammeter.com/doc/iammeter/home_automation.html. To buy our WiFi energy meters, please visit our Aliexpress Store https://devicebit-iot.aliexpress.com. For more details, please visit https://www.iammeter.com Customer Support: Email: support@devicebit.com Mobile: +86 13911890238
WatchPower
Monitor off-grid inverters remotely via Wi-Fi. View device status, configure settings, receive alerts for warnings or alarms, and record historical data.
- Monitor inverter status
- Configure device settings
- Receive warning/alarm notifications
- Record device data history
- Wi-Fi module integration
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WatchPower is an iOS monitoring application which can monitor off-grid inverters via Wi-Fi module. Here are the application uses: 1. Display device status during normal operation. 2. Configure device setting after installation. 3. Notify user when a warning or alarm happened. 4. Allow user record device data history.
Screenshots
Verdict
The clearest difference is review sentiment: IAMMETER at 100% against WatchPower's 17%. WatchPower's advantage is iOS requirement (11.0 vs 15.6). 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.
IAMMETER ships an update every 6 weeks, WatchPower every 3 months. The most recent releases landed on September 10, 2026 and August 31, 2026 respectively.
| Parameter | IAMMETER | WatchPower |
|---|---|---|
| Price | Free | Free |
| Rating | — | 2.5 (73 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 17.2% of reviews |
| Number of ratings | — | 73 — better |
| Update frequency | Every 6 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Beijing Lewei IoT Technologies Co.,Ltd. | 祥梯 孟 |
Customer experience
IAMMETER
WatchPower
Bugs and requests
IAMMETER
Not enough reviews yet to summarise bugs or requests.
WatchPower
Reported bugs
3 issues- Devices disappearing from the app
- Incorrect battery capacity and power readings
- Crashes and freezes when trying to access data
Requested features
5 requests- Add real-time monitoring and updates
- Improve user interface and add more visualizations
- Implement push notifications for important events
- Allow password recovery and account management
- Add support for Bluetooth connectivity
In-app purchases
IAMMETER
No in-app purchases
WatchPower
No in-app purchases
