# Cockpit App Systems vs EASA Part 66 Modules Exam

The clearest difference is review sentiment: EASA Part 66 Modules Exam at 100% against Cockpit App Systems's 63%. EASA Part 66 Modules Exam also leads on rating (5.0 vs 4.8) and iOS requirement (13.4 vs 15.0). Cockpit App Systems's advantage is ratings volume (496 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Cockpit App Systems sells 15 one-off in-app purchases 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.

EASA Part 66 Modules Exam holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Cockpit App Systems has 496 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 63% of Cockpit App Systems's written reviews are positive against 100% of EASA Part 66 Modules Exam's.

Cockpit App Systems ships an update every 2 months, EASA Part 66 Modules Exam every 6 weeks. The most recent releases landed on October 18, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Cockpit App Systems | EASA Part 66 Modules Exam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (496 ratings)](https://appshunter.io/ios/app/cockpit-app-systems/id1164554980/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/easa-part-66-modules-exam/id6736773464/reviews)** |
| Number of ratings | **496** | 2 |
| Positive reviews | 63.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 59 MB | 23 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [K2K Soft, LLC](https://appshunter.io/developer/1163633626) | [Sergei Vildanov](https://appshunter.io/developer/1773329159) |

## What reviewers say

### Cockpit App Systems

[App page](https://appshunter.io/ios/app/cockpit-app-systems/id1164554980)

This app provides a comprehensive study tool for pilots, focusing on aircraft cockpit systems and procedures. It offers interactive learning for lights and switches, along with customizable flow procedures that can be shared and accessed via the cloud. Users can test their knowledge and access detailed information on hundreds of buttons and switches.

**Highlights:** Interactive lights and switches study, Editable and shareable flow procedures, Cloud synchronization for flows, Information on 300+ buttons and switches, User-created flow sharing, Switch-related questions for some aircraft

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

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access (Free) | Free | one-time |
| Trial | Free | one-time |
| Promotional Free Access | Free | one-time |
| Access to Descriptions | $19.99 | one-time |
| A320 One Time Promotion | $19.99 | one-time |
| Access to Flashcards | $24.99 | one-time |
| Access to Flows | $24.99 | one-time |
| CRJ200 Full Access | $49.99 | one-time |
| CRJ200 Promo | $49.99 | one-time |
| B737NG Full Access | $49.99 | one-time |
| B737NG Promo | $49.99 | one-time |
| Full Access | $49.99 | one-time |
| E170 Full Access | $49.99 | one-time |
| E170 Promo | $49.99 | one-time |
| App-wide FUll Access | $200.00 | one-time |

**What reviewers like**

- 👍 Comprehensive A320 systems and cockpit learning tool
- 📚 Extensive flashcard database with airline-specific study guides
- ✈️ Customizable flows for different airline SOPs
- 🎓 Helpful for type rating and recurrent training preparation
- 📖 Detailed switch and system information

**What reviewers complain about**

- 💰 High pricing ($39-$45) for full access
- 🔐 Misleading free-to-download model with paywall
- ❌ Limited free version (only electrical panel accessible)
- 🖼️ Static image-based interface without interactive button functionality
- 🎨 Basic and unintuitive UI design

**Reported bugs**

- App crashes after updates and won't open
- Settings and study menus display blank items
- Full version purchase doesn't unlock features
- Trial activation requires in-app purchase despite free claim
- App stops working after approximately one month of purchase

**Requested features**

- French language version or automatic translation feature
- B737 aircraft variant support
- Updated fuel panel for A321
- Additional overhead panel items (data link, maintenance panel)
- Multiple selectable systems in System Display


### 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 Cockpit App Systems free?

Cockpit App Systems 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, Cockpit App Systems or EASA Part 66 Modules Exam?

EASA Part 66 Modules Exam is rated higher. Cockpit App Systems averages 4.8 out of 5 from 496 ratings, while EASA Part 66 Modules Exam averages 5.0 from 2 ratings.

### Do Cockpit App Systems or EASA Part 66 Modules Exam have ads?

Neither Cockpit App Systems nor EASA Part 66 Modules Exam shows ads.

### Which is updated more often, Cockpit App Systems or EASA Part 66 Modules Exam?

Cockpit App Systems ships an update every 2 months, and EASA Part 66 Modules Exam every 6 weeks. Most recently, Cockpit App Systems was updated on October 18, 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.*