# EASA Part 66 Modules Exam vs Anomalous Phenomena

The clearest difference is update cadence: EASA Part 66 Modules Exam at every 6 weeks against Anomalous Phenomena's every 3 months. EASA Part 66 Modules Exam also leads on iOS requirement (13.4 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. EASA Part 66 Modules Exam sells 11 one-off in-app purchases and Anomalous Phenomena sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

EASA Part 66 Modules Exam ships an update every 6 weeks, Anomalous Phenomena every 3 months. The most recent releases landed on September 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | EASA Part 66 Modules Exam | Anomalous Phenomena |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/easa-part-66-modules-exam/id6736773464/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 63 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sergei Vildanov](https://appshunter.io/developer/1773329159) | [Jeffery Rowe](https://appshunter.io/developer/1862911137) |

## What reviewers say

### 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 |


### Anomalous Phenomena

[App page](https://appshunter.io/ios/app/anomalous-phenomena/id6758256331)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Subscription | $4.99 | per month |
| Premium Yearly Subscription | $29.99 | per year |


## Frequently asked questions

### Is EASA Part 66 Modules Exam free?

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

### Is Anomalous Phenomena free?

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

### Do EASA Part 66 Modules Exam or Anomalous Phenomena have ads?

Neither EASA Part 66 Modules Exam nor Anomalous Phenomena shows ads.

### Which is updated more often, EASA Part 66 Modules Exam or Anomalous Phenomena?

EASA Part 66 Modules Exam ships an update every 6 weeks, and Anomalous Phenomena every 3 months. Most recently, EASA Part 66 Modules Exam was updated on September 30, 2026 and Anomalous Phenomena on October 25, 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.*