# Windmill Pro vs Pupau.ai

The clearest difference is review sentiment: Pupau.ai at 100% against Windmill Pro's 0%. Pupau.ai also leads on rating (5.0 vs 1.0) and update cadence (every 9 days vs every 12 months). Windmill Pro's advantage is in-app purchases (none vs 10) and iOS requirement (9.3 vs 16.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Pupau.ai sells 10 in-app purchases, starting at $11.90 per month. Windmill Pro asks for nothing beyond the download.

Pupau.ai holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 0% of Windmill Pro's written reviews are positive against 100% of Pupau.ai's.

Windmill Pro ships an update every 12 months, Pupau.ai every 9 days. The most recent releases landed on October 21, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Windmill Pro | Pupau.ai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/windmill-pro/id1309388375/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pupauai/id6477718848/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 9 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 12 MB | 137 MB |
| Requires iOS | **9.3** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DIGISINE ENERGYTECH CO.,LTD.](https://appshunter.io/developer/1541781655) | [Glue Labs SRL](https://appshunter.io/developer/1124836609) |

## 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


### Pupau.ai

[App page](https://appshunter.io/ios/app/pupauai/id6477718848)

This app provides personalized AI assistants for both personal and professional tasks. Create custom AI companions in minutes, choose from various models, and access a marketplace of pre-configured assistants. It offers multi-platform access and seamless integration with your existing tools.

**Highlights:** Create personalized AI assistants, Marketplace of ready-to-use assistants, Optimize business processes, Multi-platform access and syncing, Seamless integration with other tools, Flexible AI model switching, Secure and private data handling

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Explorer | $11.90 | per month |
| Personal Pro | $24.99 | per month |
| Business Essential | $59.00 | per month |
| Explorer | $99.99 | per year |
| Explorer | $129.99 | per year |
| Business Pro | $199.99 | per month |
| Personal Pro | $199.99 | per year |
| Corporate | $399.99 | per month |
| Business Essential | $499.99 | per year |
| 52500 Credits | $450.00 | one-time |


## Frequently asked questions

### Is Windmill Pro free?

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

### Is Pupau.ai free?

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

### Which has better reviews, Windmill Pro or Pupau.ai?

Pupau.ai is rated higher. Windmill Pro averages 1.0 out of 5 from 2 ratings, while Pupau.ai averages 5.0 from 1 ratings.

### Do Windmill Pro or Pupau.ai have ads?

Neither Windmill Pro nor Pupau.ai shows ads.

### Which is updated more often, Windmill Pro or Pupau.ai?

Windmill Pro ships an update every 12 months, and Pupau.ai every 9 days. Most recently, Windmill Pro was updated on October 21, 2026 and Pupau.ai on October 17, 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.*