# Ground School vs EASA Part 66 Modules Exam

The clearest difference is ratings volume: Ground School at 1.7K against EASA Part 66 Modules Exam's 2. Ground School also leads on update cadence (every 2 weeks vs every 6 weeks). EASA Part 66 Modules Exam's advantage is review sentiment (100% vs 88%) and iOS requirement (13.4 vs 16.0). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Ground School sells 11 in-app purchases, starting at $49.99 per month and EASA Part 66 Modules Exam sells 11 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for Ground School against 5.0 for EASA Part 66 Modules Exam. That said, the two scores are not equally well evidenced: Ground School has 1.7K ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 88% of Ground School's written reviews are positive against 100% of EASA Part 66 Modules Exam's.

Ground School ships an update every 2 weeks, EASA Part 66 Modules Exam every 6 weeks. The most recent releases landed on October 16, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Ground School | EASA Part 66 Modules Exam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (1.7K ratings)](https://appshunter.io/ios/app/ground-school/id1444387206/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/easa-part-66-modules-exam/id6736773464/reviews)** |
| Number of ratings | **1.7K** | 2 |
| Positive reviews | 88.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 216 MB | 23 MB |
| Requires iOS | 16.0 | **13.4** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [On The Flight Line Productions LLC](https://appshunter.io/developer/328833131) | [Sergei Vildanov](https://appshunter.io/developer/1773329159) |

## What reviewers say

### Ground School

[App page](https://appshunter.io/ios/app/ground-school/id1444387206)

Prepare for your FAA written test and become a safer pilot with this comprehensive training app. It combines expert instruction, engaging videos, and interactive practice tests to ensure you gain the knowledge needed to fly your best.

**Highlights:** Expert FAA flight instructor knowledge, Engaging educational videos, Pilot perspective flight footage, Over 1,000 practice test questions, CG animations for concept illustration, Pilot Proficiency dashboard, FAA Knowledge Test endorsement

**Features:** Family Sharing, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All-Access – Monthly Plan | $49.99 | per month |
| All-Access – Monthly Plan | $49.99 | per month |
| All-Access – Monthly Plan | $49.99 | per month |
| All-Access – 3-Month Plan | $149.99 | per 3 months |
| All-Access – 3-Month Plan | $149.99 | per 3 months |
| All-Access – 3-Month Plan (Sale) | $149.99 | per 3 months |
| All-Access – Annual Plan | $299.99 | per year |
| All-Access – Annual Plan | $299.99 | per year |
| All Access – Annual Plan (Sale) | $299.99 | per year |
| All-Access – Annual Plan | $299.99 | per year |
| Lifetime Access | $299.99 | one-time |

**What reviewers like**

- 🚀 Excellent ground school app
- 👍 Comprehensive and well-presented content
- 🎓 Helpful for passing written exams
- 👍 Great for both new and experienced pilots
- 🎓 Useful for CFIs to stay sharp

**What reviewers complain about**

- 🐛 Syncing issues between devices
- 🔍 Lack of desktop version
- 🔍 Limited flashcard and spaced-repetition features
- 🔍 Need for more interactive chart/sectional practice
- 🐛 Some questions have outdated or incorrect answers

**Reported bugs**

- Syncing issues between iPhone and iPad
- Some questions have incorrect or outdated answers

**Requested features**

- Desktop version of the app
- More robust flashcard and spaced-repetition system
- Deeper interactive practice with sectional charts
- Expansion to commercial and ATP levels


### EASA Part 66 Modules Exam

[App page](https://appshunter.io/ios/app/easa-part-66-modules-exam/id6736773464)

Prepare for aviation certification exams with this app. It offers practice tests covering 17 modules, with multiple-choice questions and a time limit. Users can access free modules or purchase additional content for comprehensive study.

**Highlights:** 17 exam modules, Multiple-choice questions, Timed tests, 75% passing score, Free and paid modules, Full access purchase option

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Module 3 | $2.99 | one-time |
| Module 15 | $2.99 | one-time |
| Module 14 | $2.99 | one-time |
| Module 17 | $2.99 | one-time |
| Module 5 | $2.99 | one-time |
| Module 6 | $2.99 | one-time |
| Module 7 | $2.99 | one-time |
| Module 8 | $2.99 | one-time |
| Module 12 | $2.99 | one-time |
| Module 16 | $2.99 | one-time |
| 14 Days Full Access | $14.99 | one-time |


## Frequently asked questions

### Is Ground School free?

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

### Is EASA Part 66 Modules Exam free?

EASA Part 66 Modules Exam is free to download, with in-app purchases available.

### Which has better reviews, Ground School or EASA Part 66 Modules Exam?

EASA Part 66 Modules Exam is rated higher. Ground School averages 4.9 out of 5 from 1.7K ratings, while EASA Part 66 Modules Exam averages 5.0 from 2 ratings.

### Do Ground School or EASA Part 66 Modules Exam have ads?

Neither Ground School nor EASA Part 66 Modules Exam shows ads.

### Which is updated more often, Ground School or EASA Part 66 Modules Exam?

Ground School ships an update every 2 weeks, and EASA Part 66 Modules Exam every 6 weeks. Most recently, Ground School was updated on October 16, 2026 and EASA Part 66 Modules Exam on September 30, 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.*