# WatchPower vs Smart Solar +

The clearest difference is rating: Smart Solar + at 5.0 against WatchPower's 2.5. Smart Solar + also leads on update cadence (every 2 weeks vs every 3 months). WatchPower's advantage is ratings volume (73 vs 2) and iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Smart Solar + holds the better App Store score, 5.0 against 2.5. That said, the two scores are not equally well evidenced: WatchPower has 73 ratings behind it against 2, so its average is the more settled of the two.

WatchPower ships an update every 3 months, Smart Solar + every 2 weeks. The most recent releases landed on August 31, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | WatchPower | Smart Solar + |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (73 ratings)](https://appshunter.io/ios/app/watchpower/id1487569321/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/smart-solar-plus/id6742374869/reviews)** |
| Number of ratings | **73** | 2 |
| Positive reviews | 17.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 22 MB | 79 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [祥梯 孟](https://appshunter.io/developer/1070155084) | [Sheraz Aslam](https://appshunter.io/developer/1798060185) |

## What reviewers say

### WatchPower

[App page](https://appshunter.io/ios/app/watchpower/id1487569321)

Monitor off-grid inverters remotely via Wi-Fi. View device status, configure settings, receive alerts for warnings or alarms, and record historical data.

**Highlights:** Monitor inverter status, Configure device settings, Receive warning/alarm notifications, Record device data history, Wi-Fi module integration

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 💻 Useful for monitoring and configuring solar/battery systems
- 🔧 Allows remote configuration of inverter settings
- 🤖 Reliable when it works

**What reviewers complain about**

- 🐛 Frequent connection issues and data delays
- 🕰️ Slow refresh rate and outdated information
- 🤔 Inconsistent and unreliable performance
- 📊 Lack of historical data and graphing features
- 🤯 Difficult setup and registration process

**Reported bugs**

- Devices disappearing from the app
- Incorrect battery capacity and power readings
- Crashes and freezes when trying to access data

**Requested features**

- 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


### Smart Solar +

[App page](https://appshunter.io/ios/app/smart-solar-plus/id6742374869)

Monitor your solar inverter's performance and settings remotely. View real-time statistics, historical charts, and usage details. Receive alerts for faults or device offline status, and manage inverter settings with timer options.

**Highlights:** Real-time inverter statistics, Historical chart data, Usage details by time period, Fault and warning alerts, Inverter setting adjustments, Timer for automatic setting changes, Unlimited device support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WatchPower free?

WatchPower is free to download, with no in-app purchases.

### Is Smart Solar + free?

Smart Solar + is free to download, with no in-app purchases.

### Which has better reviews, WatchPower or Smart Solar +?

Smart Solar + is rated higher. WatchPower averages 2.5 out of 5 from 73 ratings, while Smart Solar + averages 5.0 from 2 ratings.

### Do WatchPower or Smart Solar + have ads?

Neither WatchPower nor Smart Solar + shows ads.

### Which is updated more often, WatchPower or Smart Solar +?

WatchPower ships an update every 3 months, and Smart Solar + every 2 weeks. Most recently, WatchPower was updated on August 31, 2026 and Smart Solar + on September 21, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*