# PatternCall vs LetzFly Ground School

The clearest difference is update cadence: PatternCall at daily against LetzFly Ground School's every 5 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PatternCall sells 2 in-app purchases, starting at $5.99 per month and LetzFly Ground School sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

PatternCall ships an update daily, LetzFly Ground School every 5 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | PatternCall | LetzFly Ground School |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/patterncall-learn-pilot-radio/id6766146765/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 5 days |
| Monetization | Freemium | — |
| Size | 10 MB | 188 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Broken Cloud Group LLC](https://appshunter.io/developer/1896212943) | [NeatCapital OU](https://appshunter.io/developer/841531887) |

## What reviewers say

### PatternCall

[App page](https://appshunter.io/ios/app/patterncall-learn-pilot-radio/id6766146765)

Practice real air traffic control radio calls with personalized scenarios based on your home airport and callsign. Receive instant, detailed feedback on every transmission to build confidence and accuracy. Offers structured learning paths for various flight operations, from basic communication to advanced IFR procedures.

**Highlights:** Personalized ATC scenarios, Real airport frequencies, Instant element-by-element feedback, Multiple difficulty modes, Structured learning paths, Offline functionality

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PatternCall Pro | $5.99 | per month |
| PatternCall Pro Annual | $49.99 | per year |


### LetzFly Ground School

[App page](https://appshunter.io/ios/app/letzfly-ground-school/id6768289173)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Air Law | $5.99 | one-time |
| Aircraft General Knowledge | $5.99 | one-time |
| Flight Performance and Planning | $5.99 | one-time |
| Human Performance | $5.99 | one-time |
| Meteorology | $5.99 | one-time |
| Navigation | $5.99 | one-time |
| Operational Procedures | $5.99 | one-time |
| Principles of Flight | $5.99 | one-time |
| Communications | $5.99 | one-time |
| Unlock All Topics | $29.99 | one-time |


## Frequently asked questions

### Is PatternCall free?

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

### Is LetzFly Ground School free?

LetzFly Ground School is free to download, with in-app purchases available.

### Do PatternCall or LetzFly Ground School have ads?

Neither PatternCall nor LetzFly Ground School shows ads.

### Which is updated more often, PatternCall or LetzFly Ground School?

PatternCall ships an update daily, and LetzFly Ground School every 5 days. Most recently, PatternCall was updated on October 31, 2026 and LetzFly Ground School on November 5, 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.*