# iTrain B737MAX vs Instrument Ground Instructor

The clearest difference is price: Instrument Ground Instructor at $4.99 against iTrain B737MAX's $17.99. Instrument Ground Instructor also leads on iOS requirement (11.0 vs 18.6). iTrain B737MAX's advantage is update cadence (every 6 weeks vs every 7 months). On ads, in-app purchases and device support there is nothing between them.

iTrain B737MAX costs $17.99 and Instrument Ground Instructor $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iTrain B737MAX ships an update every 6 weeks, Instrument Ground Instructor every 7 months. The most recent releases landed on October 26, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | iTrain B737MAX | Instrument Ground Instructor |
| --- | --- | --- |
| Price | $17.99 | **$4.99** |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/itrain-b737max/id1320615389/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 7 months |
| Monetization | Paid | — |
| Size | 14 MB | 102 MB |
| Requires iOS | 18.6 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Flighttrainer Aviation Apps B.V.](https://appshunter.io/developer/1529841212) | [Bravo Zulu Apps LLC](https://appshunter.io/developer/1000879252) |

## 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


### Instrument Ground Instructor

[App page](https://appshunter.io/ios/app/instrument-ground-instructor/id1366302133)

**In-app purchases:** none


## Frequently asked questions

### Is iTrain B737MAX free?

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

### Is Instrument Ground Instructor free?

Instrument Ground Instructor costs $4.99, with no in-app purchases.

### Do iTrain B737MAX or Instrument Ground Instructor have ads?

Neither iTrain B737MAX nor Instrument Ground Instructor shows ads.

### Which is updated more often, iTrain B737MAX or Instrument Ground Instructor?

iTrain B737MAX ships an update every 6 weeks, and Instrument Ground Instructor every 7 months. Most recently, iTrain B737MAX was updated on October 26, 2026 and Instrument Ground Instructor on October 20, 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.*