# Next vs 737 Master Caution

The clearest difference is update cadence: Next at every 3 weeks against 737 Master Caution's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Next ships an update every 3 weeks, 737 Master Caution every 3 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Next | 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 3 weeks** | Every 3 months |
| Monetization | — | Free |
| Size | 55 MB | 2 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Next-AT SA](https://appshunter.io/developer/1667170128) | [Studio BabDreams](https://appshunter.io/developer/431517875) |

## What reviewers say

### Next

[App page](https://appshunter.io/ios/app/next-at-aviation-training/id1667170126)

**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 Next free?

Next 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 Next or 737 Master Caution have ads?

Neither Next nor 737 Master Caution shows ads.

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

Next ships an update every 3 weeks, and 737 Master Caution every 3 months. Most recently, Next was updated on October 27, 2026 and 737 Master Caution on October 24, 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.*