# Achieve Success vs EASA Part 66 Modules Exam

The clearest difference is in-app purchases: Achieve Success at none against EASA Part 66 Modules Exam's 11. EASA Part 66 Modules Exam's advantage is iOS requirement (13.4 vs 15.0). On price, update cadence, ads 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. Achieve Success asks for nothing beyond the download.

Achieve Success ships an update every 5 weeks, EASA Part 66 Modules Exam every 6 weeks. The most recent releases landed on October 25, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Achieve Success | EASA Part 66 Modules Exam |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 11 MB | 23 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Emily Sudduth](https://appshunter.io/developer/1721274803) | [Sergei Vildanov](https://appshunter.io/developer/1773329159) |

## What reviewers say

### Achieve Success

[App page](https://appshunter.io/ios/app/achieve-success/id6503986167)

**In-app purchases:** none


### 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 Achieve Success free?

Achieve Success is free to download, with no in-app purchases.

### Is EASA Part 66 Modules Exam free?

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

### Do Achieve Success or EASA Part 66 Modules Exam have ads?

Neither Achieve Success nor EASA Part 66 Modules Exam shows ads.

### Which is updated more often, Achieve Success or EASA Part 66 Modules Exam?

Achieve Success ships an update every 5 weeks, and EASA Part 66 Modules Exam every 6 weeks. Most recently, Achieve Success was updated on October 25, 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.*