# Crystal Flight vs tec2SKILL DETECT

The clearest difference is iOS requirement: tec2SKILL DETECT at 15.0 against Crystal Flight's 17.0. 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.

Crystal Flight ships an update every 5 months, tec2SKILL DETECT every 8 months. The most recent releases landed on October 2, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Crystal Flight | tec2SKILL DETECT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/crystal-flight/id1436396839/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 8 months |
| Monetization | Free | — |
| Size | 4 MB | 116 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Jeff Weeks](https://appshunter.io/developer/326104308) | [ETS DIDACTIC GMBH](https://appshunter.io/developer/1209946511) |

## What reviewers say

### Crystal Flight

[App page](https://appshunter.io/ios/app/crystal-flight/id1436396839)

Experience free flight within diverse crystal environments. Navigate your journey by simply tilting your iPhone or iPad to control direction.

**Highlights:** Free flight simulation, Crystal environments, Tilt-to-navigate controls, iPhone and iPad support

**In-app purchases:** none


### tec2SKILL DETECT

[App page](https://appshunter.io/ios/app/tec2skill-detect/id1593164855)

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

**In-app purchases:** none


## Frequently asked questions

### Is Crystal Flight free?

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

### Is tec2SKILL DETECT free?

tec2SKILL DETECT is free to download, with no in-app purchases.

### Do Crystal Flight or tec2SKILL DETECT have ads?

Neither Crystal Flight nor tec2SKILL DETECT shows ads.

### Which is updated more often, Crystal Flight or tec2SKILL DETECT?

Crystal Flight ships an update every 5 months, and tec2SKILL DETECT every 8 months. Most recently, Crystal Flight was updated on October 2, 2026 and tec2SKILL DETECT on October 4, 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.*