# DA42 TDI vs Wind Measure

The clearest difference is price: Wind Measure at Free against DA42 TDI's $38.99. DA42 TDI's advantage is iOS requirement (9.1 vs 12.4). On update cadence, ads, in-app purchases and device support there is nothing between them.

Wind Measure is free to download; DA42 TDI costs $38.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 4 months. Both last shipped on October 26, 2026.

## The numbers

| Metric | DA42 TDI | Wind Measure |
| --- | --- | --- |
| Price | $38.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Size | 41 MB | 19 MB |
| Requires iOS | **9.1** | 12.4 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gyronimo, LLC](https://appshunter.io/developer/536898885) | [TAKUYA HIGUCHI](https://appshunter.io/developer/579952589) |

## What reviewers say

### DA42 TDI

[App page](https://appshunter.io/ios/app/da42-tdi/id1046446776)

**Features:** macOS Compatibility

**In-app purchases:** none


### Wind Measure

[App page](https://appshunter.io/ios/app/wind-measure/id1480975342)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DA42 TDI free?

DA42 TDI costs $38.99, with no in-app purchases.

### Is Wind Measure free?

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

### Do DA42 TDI or Wind Measure have ads?

Neither DA42 TDI nor Wind Measure shows ads.

### Which is updated more often, DA42 TDI or Wind Measure?

DA42 TDI ships an update every 4 months, and Wind Measure every 4 months. Most recently, DA42 TDI was updated on October 26, 2026 and Wind Measure on October 26, 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.*