# iTrain B737MAX vs B737 CDU

The clearest difference is review sentiment: iTrain B737MAX at 100% against B737 CDU's 43%. iTrain B737MAX also leads on rating (4.7 vs 2.0). B737 CDU's advantage is price ($7.99 vs $17.99) and iOS requirement (8.0 vs 18.6). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

iTrain B737MAX costs $17.99 and B737 CDU $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iTrain B737MAX holds the better App Store score, 4.7 against 2.0. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews point the same way: 100% of iTrain B737MAX's written reviews are positive against 43% of B737 CDU's.

iTrain B737MAX ships an update every 5 weeks, B737 CDU every 2 months. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | iTrain B737MAX | B737 CDU |
| --- | --- | --- |
| Price | $17.99 | **$7.99** |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/itrain-b737max/id1320615389/reviews)** | [2.0 (2 ratings)](https://appshunter.io/ios/app/b737-cdu/id1522267697/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | **100.0% of reviews** | 42.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Paid | Paid |
| Size | 14 MB | 43 MB |
| Requires iOS | 18.6 | **8.0** |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Flighttrainer Aviation Apps B.V.](https://appshunter.io/developer/1529841212) | [Kun-Woo Go](https://appshunter.io/developer/1775137171) |

## What reviewers say

### iTrain B737MAX

[App page](https://appshunter.io/ios/app/itrain-b737max/id1320615389)

Expand your technical knowledge of the Boeing B737MAX with over 800 questions. This app helps you train memory items, system knowledge, and maneuvers to prepare for interviews, grading, or exams. Its interface is designed for focused learning for both experienced and trainee pilots.

**Highlights:** Boeing B737MAX technical knowledge expansion, NNC memory items training, System knowledge and flightpath patterns, Non-normal maneuvers preparation, Over 800 technical questions, Automated database updates

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

**In-app purchases:** none


### B737 CDU

[App page](https://appshunter.io/ios/app/b737-cdu/id1522267697)

This app simulates a Boeing 737 CDU, allowing users to explore its pages and enter data. It's designed for pilots preparing for flights or seeking a refresher on CDU operations. The tool offers touch screen navigation and access to FMC and ACARS pages.

**Highlights:** Simulates 737 CDU interface, Explore FMC and ACARS pages, Touch screen navigation, Data entry for CDU, Useful for pilot training

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iTrain B737MAX free?

iTrain B737MAX costs $17.99, with no in-app purchases.

### Is B737 CDU free?

B737 CDU costs $7.99, with no in-app purchases.

### Which has better reviews, iTrain B737MAX or B737 CDU?

iTrain B737MAX is rated higher. iTrain B737MAX averages 4.7 out of 5 from 3 ratings, while B737 CDU averages 2.0 from 2 ratings.

### Do iTrain B737MAX or B737 CDU have ads?

Neither iTrain B737MAX nor B737 CDU shows ads.

### Which is updated more often, iTrain B737MAX or B737 CDU?

iTrain B737MAX ships an update every 5 weeks, and B737 CDU every 2 months. Most recently, iTrain B737MAX was updated on October 10, 2026 and B737 CDU on October 15, 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.*