WatchPower vs i.Solar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
i.Solar
Monitor your inverters remotely with real-time data and control capabilities. This app allows for daily data tracking, command sending, and remote device management.
- Daily data monitoring
- Real-time data enquiry
- Command sending
- Remote device control
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i.Solar APP provides remote data service such as inverters daily data monitoring, real time data enquiry of monitored devices, command sending, and remote control of monitored devices.
Screenshots
Verdict
The clearest difference is rating: WatchPower at 2.5 against i.Solar's 1.7. WatchPower also leads on ratings volume (73 vs 9) and iOS requirement (11.0 vs 13.0). i.Solar's advantage is update cadence (weekly vs every 3 months). On price, review sentiment, 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.
WatchPower holds the better App Store score, 2.5 against 1.7. That said, the two scores are not equally well evidenced: WatchPower has 73 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 17% of WatchPower's written reviews are positive against 13% of i.Solar's.
WatchPower ships an update every 3 months, i.Solar weekly. The most recent releases landed on August 31, 2026 and September 8, 2026 respectively.
| Parameter | WatchPower | i.Solar |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (73 ratings) — better | 1.7 (9 ratings) |
| Positive reviews | 17.2% of reviews — better | 12.5% of reviews |
| Number of ratings | 73 — better | 9 |
| Update frequency | Every 3 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 22 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | 祥梯 孟 | Trusted UPS Manufacturing Company |
Customer experience
WatchPower
i.Solar
Bugs and 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
i.Solar
Not enough reviews yet to summarise bugs or requests.
In-app purchases
WatchPower
No in-app purchases
i.Solar
No in-app purchases
