# Windmill Pro vs Battery Genie Debug

The clearest difference is iOS requirement: Windmill Pro at 9.3 against Battery Genie Debug's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Windmill Pro ships an update every 12 months, Battery Genie Debug every 13 months. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Windmill Pro | Battery Genie Debug |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/windmill-pro/id1309388375/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 12 months** | Every 13 months |
| Monetization | Free | — |
| Size | 12 MB | 32 MB |
| Requires iOS | **9.3** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [DIGISINE ENERGYTECH CO.,LTD.](https://appshunter.io/developer/1541781655) | [RPS Battery Co.,Ltd](https://appshunter.io/developer/1645812484) |

## What reviewers say

### Windmill Pro

[App page](https://appshunter.io/ios/app/windmill-pro/id1309388375)

Monitor your Automaxx Windmill wind turbines directly from your smartphone. Track operational data and status via Bluetooth, including voltage, charge levels, and generation metrics.

**Highlights:** Monitor wind turbine operation, Track functional data, View operating status, Bluetooth connectivity, Generating Voltage, Battery Charge Level Indicator, Brake/Unbrake control

**In-app purchases:** none


### Battery Genie Debug

[App page](https://appshunter.io/ios/app/battery-genie-debug/id6496861018)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Windmill Pro free?

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

### Is Battery Genie Debug free?

Battery Genie Debug is free to download, with no in-app purchases.

### Do Windmill Pro or Battery Genie Debug have ads?

Neither Windmill Pro nor Battery Genie Debug shows ads.

### Which is updated more often, Windmill Pro or Battery Genie Debug?

Windmill Pro ships an update every 12 months, and Battery Genie Debug every 13 months. Most recently, Windmill Pro was updated on October 4, 2026 and Battery Genie Debug on October 1, 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.*