# Crystal Flight vs NL Driving Test Prep

The clearest difference is update cadence: NL Driving Test Prep at every 9 days against Crystal Flight's every 5 months. NL Driving Test Prep also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support 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, NL Driving Test Prep every 9 days. The most recent releases landed on October 2, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Crystal Flight | NL Driving Test Prep |
| --- | --- | --- |
| 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 9 days** |
| Monetization | Free | — |
| Size | 4 MB | 34 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jeff Weeks](https://appshunter.io/developer/326104308) | [Muhammed Rasheed](https://appshunter.io/developer/1339542846) |

## 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


### NL Driving Test Prep

[App page](https://appshunter.io/ios/app/nl-driving-test-prep/id6760563408)

**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 NL Driving Test Prep free?

NL Driving Test Prep is free to download, with no in-app purchases.

### Do Crystal Flight or NL Driving Test Prep have ads?

Neither Crystal Flight nor NL Driving Test Prep shows ads.

### Which is updated more often, Crystal Flight or NL Driving Test Prep?

Crystal Flight ships an update every 5 months, and NL Driving Test Prep every 9 days. Most recently, Crystal Flight was updated on October 2, 2026 and NL Driving Test Prep on October 28, 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.*