# EASA Part 66 Exam Trainer vs Systems Trainer

The clearest difference is in-app purchases: Systems Trainer at none against EASA Part 66 Exam Trainer's 10. Systems Trainer also leads on update cadence (every 2 weeks vs every 7 months). EASA Part 66 Exam Trainer's advantage is iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. EASA Part 66 Exam Trainer sells 10 one-off in-app purchases. Systems Trainer asks for nothing beyond the download.

EASA Part 66 Exam Trainer ships an update every 7 months, Systems Trainer every 2 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | EASA Part 66 Exam Trainer | Systems Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/easa-part-66-exam-trainer/id1477203089/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 79 MB | 1000 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [David Alexander Hansen](https://appshunter.io/developer/1216586088) | [Patrick Heinrich](https://appshunter.io/developer/1794204930) |

## What reviewers say

### EASA Part 66 Exam Trainer

[App page](https://appshunter.io/ios/app/easa-part-66-exam-trainer/id1477203089)

Prepare for EU Part 66 aircraft maintenance engineer exams with over 750 multiple-choice questions across various modules. This app serves as a supplementary training tool for classroom learning, allowing you to practice on the go.

**Highlights:** Over 750 multiple-choice questions, Covers multiple EU Part 66 modules, B1.1 / A1 exam preparation, Supplementary training tool, Practice on the go, Developed by skilled engineers

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Module 5 for the Part 66 exam | $0.99 | one-time |
| Module 6 for the Part 66 exam | $0.99 | one-time |
| Module 7 for the Part 66 exam | $0.99 | one-time |
| Module 8 for the Part 66 exam | $0.99 | one-time |
| Module 10 for the Part 66 exam | $0.99 | one-time |
| Module 15 for the Part 66 exam | $0.99 | one-time |
| Module 9 for the Part 66 exam | $0.99 | one-time |
| Module 11A for the Part 66 exam | $0.99 | one-time |
| Module 4 for the Part 66 exam | $0.99 | one-time |
| Unlock all modules forever | $2.99 | one-time |


### Systems Trainer

[App page](https://appshunter.io/ios/app/systems-trainer/id6759176885)

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

**In-app purchases:** none


## Frequently asked questions

### Is EASA Part 66 Exam Trainer free?

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

### Is Systems Trainer free?

Systems Trainer is free to download, with no in-app purchases.

### Do EASA Part 66 Exam Trainer or Systems Trainer have ads?

Neither EASA Part 66 Exam Trainer nor Systems Trainer shows ads.

### Which is updated more often, EASA Part 66 Exam Trainer or Systems Trainer?

EASA Part 66 Exam Trainer ships an update every 7 months, and Systems Trainer every 2 weeks. Most recently, EASA Part 66 Exam Trainer was updated on November 3, 2026 and Systems Trainer 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.*