# AirPlanPro vs 737 Master Caution

The clearest difference is in-app purchases: 737 Master Caution at none against AirPlanPro's 2. 737 Master Caution also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). AirPlanPro's advantage is update cadence (fortnightly vs every 3 months). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. AirPlanPro sells 2 one-off in-app purchases. 737 Master Caution asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.3 for AirPlanPro against 4.4 for 737 Master Caution. Both are backed by a comparable volume of ratings — 3 and 7 respectively.

AirPlanPro ships an update fortnightly, 737 Master Caution every 3 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | AirPlanPro | 737 Master Caution |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (3 ratings)](https://appshunter.io/ios/app/airplanpro-holding-crosswind/id1438324136/reviews) | **[4.4 (7 ratings)](https://appshunter.io/ios/app/737-master-caution/id6455042070/reviews)** |
| Number of ratings | 3 | **7** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 105 MB | 2 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [One Color Games ApS](https://appshunter.io/developer/1140502361) | [Studio BabDreams](https://appshunter.io/developer/431517875) |

## What reviewers say

### AirPlanPro

[App page](https://appshunter.io/ios/app/airplanpro-holding-crosswind/id1438324136)

This app helps pilots practice and master essential flight planning calculations and mental math challenges. It offers various practice modules for crosswind, headwind, holding patterns, and descent profiles, allowing users to improve their skills efficiently on the ground.

**Highlights:** Crosswind and headwind calculation, Holding entry and correction practice, EASA alternate planning minima, Temperature correction calculations, Descent profile planning, Visual representations of scenarios

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30% off all app features | $6.99 | one-time |
| Unlock all app features | $9.99 | one-time |


### 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 AirPlanPro free?

AirPlanPro is free to download, with in-app purchases available.

### Is 737 Master Caution free?

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

### Which has better reviews, AirPlanPro or 737 Master Caution?

737 Master Caution is rated higher. AirPlanPro averages 4.3 out of 5 from 3 ratings, while 737 Master Caution averages 4.4 from 7 ratings.

### Do AirPlanPro or 737 Master Caution have ads?

AirPlanPro shows ads; 737 Master Caution does not.

### Which is updated more often, AirPlanPro or 737 Master Caution?

AirPlanPro ships an update fortnightly, and 737 Master Caution every 3 months. Most recently, AirPlanPro was updated on November 2, 2026 and 737 Master Caution on November 3, 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.*