# Boeing Learning Solutions vs 737 Master Caution

The clearest difference is device support: 737 Master Caution at 3 against Boeing Learning Solutions's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Boeing Learning Solutions ships an update every 4 months, 737 Master Caution every 3 months. The most recent releases landed on October 3, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Boeing Learning Solutions | 737 Master Caution |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (7 ratings)](https://appshunter.io/ios/app/737-master-caution/id6455042070/reviews)** |
| Number of ratings | — | **7** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 12 MB | 2 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Boeing Services Deutschland GmbH](https://appshunter.io/developer/687650790) | [Studio BabDreams](https://appshunter.io/developer/431517875) |

## What reviewers say

### Boeing Learning Solutions

[App page](https://appshunter.io/ios/app/boeing-learning-solutions/id1101225961)

**Features:** macOS Compatibility

**In-app purchases:** none


### 737 Master Caution

[App page](https://appshunter.io/ios/app/737-master-caution/id6455042070)

This app provides a comprehensive reference for over 200 warning lights and messages across B737 Classic, NG, and MAX aircraft families. It includes tools for abbreviations, FMC messages, circuit breakers, and electrical buses, aiding pilot training and aviation enthusiasts.

**Highlights:** References over 200 B737 warning lights and messages, Filter by aircraft family (Classic, NG, MAX), Full text search for specific lights, Personal notes and bookmarking, Reference tools for abbreviations, FMC messages, circuit breakers, and electrical buses

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

**In-app purchases:** none


## Frequently asked questions

### Is Boeing Learning Solutions free?

Boeing Learning Solutions is free to download, with no in-app purchases.

### Is 737 Master Caution free?

737 Master Caution is free to download, with no in-app purchases.

### Do Boeing Learning Solutions or 737 Master Caution have ads?

Neither Boeing Learning Solutions nor 737 Master Caution shows ads.

### Which is updated more often, Boeing Learning Solutions or 737 Master Caution?

Boeing Learning Solutions ships an update every 4 months, and 737 Master Caution every 3 months. Most recently, Boeing Learning Solutions was updated on October 3, 2026 and 737 Master Caution 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.*