# Wind Diagnostics vs Wind Turbine Calculator.

The clearest difference is in-app purchases: Wind Diagnostics at none against Wind Turbine Calculator.'s 1. Wind Diagnostics also leads on iOS requirement (9.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. Wind Turbine Calculator. sells 1 one-off in-app purchase. Wind Diagnostics asks for nothing beyond the download.

## The numbers

| Metric | Wind Diagnostics | Wind Turbine Calculator. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/wind-turbine-calculator/id6758371676/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Monetization | — | Free with in-app purchases |
| Size | 87 MB | 46 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [Siemens Energy](https://appshunter.io/developer/1539380213) | [Sachinbhai Surani](https://appshunter.io/developer/1838685550) |

## What reviewers say

### Wind Diagnostics

[App page](https://appshunter.io/ios/app/wind-diagnostics/id986823931)

**Features:** macOS Compatibility

**In-app purchases:** none


### Wind Turbine Calculator.

[App page](https://appshunter.io/ios/app/wind-turbine-calculator/id6758371676)

Instantly calculate essential wind turbine performance metrics like raw power, losses, net power, and torque. This tool offers a clean interface for students, engineers, and enthusiasts to analyze and share results easily.

**Highlights:** Instant calculation results, Simple and easy-to-use UI, Clear and accurate outputs, Easy sharing of results, Calculate raw power, losses, net power, and torque, Analyze turbine details and parameters

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $9.99 | one-time |


## Frequently asked questions

### Is Wind Diagnostics free?

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

### Is Wind Turbine Calculator. free?

Wind Turbine Calculator. is free to download, with in-app purchases available.

### Do Wind Diagnostics or Wind Turbine Calculator. have ads?

Neither Wind Diagnostics nor Wind Turbine Calculator. 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.*