# WatchPower vs Fillumus

The clearest difference is in-app purchases: WatchPower at none against Fillumus's 2. WatchPower also leads on iOS requirement (11.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Fillumus sells 2 in-app purchases, starting at $2.99 per month. WatchPower asks for nothing beyond the download.

## The numbers

| Metric | WatchPower | Fillumus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (75 ratings)](https://appshunter.io/ios/app/watchpower/id1487569321/reviews)** | — |
| Number of ratings | **75** | — |
| Positive reviews | 17.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free | — |
| Size | 22 MB | 3 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [祥梯 孟](https://appshunter.io/developer/1070155084) | [Narek Ghukasyan](https://appshunter.io/developer/1865547994) |

## 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- 🕰️ Slow refresh rate and outdated information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


### Fillumus

[App page](https://appshunter.io/ios/app/fillumus/id6757318654)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Annual | $24.99 | per year |


## Frequently asked questions

### Is WatchPower free?

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

### Is Fillumus free?

Fillumus is free to download, with in-app purchases available.

### Do WatchPower or Fillumus have ads?

Neither WatchPower nor Fillumus shows ads.

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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.*