# 320 Guide vs EASA Part 66 Modules Exam The clearest difference is rating: EASA Part 66 Modules Exam at 5.0 against 320 Guide's 4.6. 320 Guide's advantage is ratings volume (42 vs 2). On price, review sentiment, update cadence and ads there is nothing between them. Both are free to download. 320 Guide sells 8 in-app purchases, starting at $9.99 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. EASA Part 66 Modules Exam holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: 320 Guide has 42 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive. 320 Guide ships an update monthly, EASA Part 66 Modules Exam every 6 weeks. The most recent releases landed on September 25, 2026 and September 30, 2026 respectively. ## The numbers | Metric | 320 Guide | EASA Part 66 Modules Exam | | --- | --- | --- | | Price | Free | Free | | Rating | [4.6 (42 ratings)](https://appshunter.io/ios/app/320-guide/id1630247938/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/easa-part-66-modules-exam/id6736773464/reviews)** | | Number of ratings | **42** | 2 | | Positive reviews | 100.0% of reviews | 100.0% of reviews | | In-app purchases | Yes | Yes | | Ads | No | No | | Update frequency | **Monthly** | Every 6 weeks | | Monetization | Free with in-app purchases | Free with in-app purchases | | Size | 53 MB | 23 MB | | Requires iOS | 14.0.0 | **13.4** | | Devices | iPhone, iPad, iPod | iPhone, iPad, iPod | | Age rating | 4+ | 4+ | | Developer | [Fluge, LLC](https://appshunter.io/developer/1165267373) | [Sergei Vildanov](https://appshunter.io/developer/1773329159) | ## What reviewers say ### 320 Guide [App page](https://appshunter.io/ios/app/320-guide/id1630247938) This unofficial training tool simplifies complex aircraft systems with clear explanations and detailed 3D visuals. Designed by experienced instructors, it helps pilots prepare for type ratings, upgrades, and recurrent training. **Highlights:** Clear, concise system explanations, Detailed 3D cutaways and animations, Targeted training for pilots, Expert insights from instructors, Visual learning beyond manuals **Features:** macOS Compatibility, Vision Pro support **In-app purchases (8)** | Purchase | Price | Billing | | --- | --- | --- | | Premium Access | $9.99 | per month | | Premium Access | $12.99 | per 3 months | | Type Rating Access | $29.99 | per 6 months | | A320 Premium Yearly | $29.99 | per year | | Premium Access | $39.99 | per year | | A320 Premium Yearly | $39.99 | per year | | Premium Discount | $39.99 | one-time | | Premium Access | $79.99 | one-time | ### 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 320 Guide free? 320 Guide 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, 320 Guide or EASA Part 66 Modules Exam? EASA Part 66 Modules Exam is rated higher. 320 Guide averages 4.6 out of 5 from 42 ratings, while EASA Part 66 Modules Exam averages 5.0 from 2 ratings. ### Do 320 Guide or EASA Part 66 Modules Exam have ads? Neither 320 Guide nor EASA Part 66 Modules Exam shows ads. ### Which is updated more often, 320 Guide or EASA Part 66 Modules Exam? 320 Guide ships an update monthly, and EASA Part 66 Modules Exam every 6 weeks. Most recently, 320 Guide was updated on September 25, 2026 and EASA Part 66 Modules Exam on September 30, 2026. --- *Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*