# B737 MRG vs CPaT Mobile 4

The clearest difference is review sentiment: B737 MRG at 81% against CPaT Mobile 4's 0%. B737 MRG also leads on rating (4.9 vs 2.2) and ratings volume (299 vs 19). CPaT Mobile 4's advantage is in-app purchases (none vs 1) and iOS requirement (11.0 vs 16.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. B737 MRG sells 1 in-app purchase, starting at $9.99 per year. CPaT Mobile 4 asks for nothing beyond the download.

B737 MRG holds the better App Store score, 4.9 against 2.2. That said, the two scores are not equally well evidenced: B737 MRG has 299 ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 81% of B737 MRG's written reviews are positive against 0% of CPaT Mobile 4's.

B737 MRG ships an update every 2 months, CPaT Mobile 4 every 6 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | B737 MRG | CPaT Mobile 4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (299 ratings)](https://appshunter.io/ios/app/b737-mrg/id481163421/reviews)** | [2.2 (19 ratings)](https://appshunter.io/ios/app/cpat-mobile-4/id1509075751/reviews) |
| Number of ratings | **299** | 19 |
| Positive reviews | **81.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Subscription | **Free** |
| Size | 95 MB | 42 MB |
| Requires iOS | 16.6 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MCC (BV)](https://appshunter.io/developer/421126411) | [CPAT GLOBAL, LLC](https://appshunter.io/developer/989600741) |

## What reviewers say

### B737 MRG

[App page](https://appshunter.io/ios/app/b737-mrg/id481163421)

This professional reference app provides airline pilots with detailed guidance and practical advice for handling over 300 non-normal situations on the Boeing 737. It includes extensive system notes, illustrations, logic gates, and schematics to aid in-flight and ground operations.

**Highlights:** 300+ non-normal procedures, System notes and practical advice, Over 2,200 illustrations, Logic gates and schematics, Covers CL, NG, MAX editions, Regular content updates

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Subscription | $9.99 | per year |

**What reviewers like**

- 🚀 Excellent resource for 737 pilots
- 👍 Detailed and comprehensive information
- 🔍 Helpful for training and sim prep
- 💡 Provides deeper understanding of systems and procedures
- 🤓 Valuable addition to company manuals

**What reviewers complain about**

- 🐛 Occasional app crashes and bugs
- 💰 Transition to subscription model frustrates some users
- 📱 Compatibility issues with some iOS updates

**Reported bugs**

- App crashing on startup after updates
- Losing downloaded data on app restart
- Difficulty exiting demo mode

**Requested features**

- Interactive features like switchable diagrams
- Availability on macOS/desktop platforms


### CPaT Mobile 4

[App page](https://appshunter.io/ios/app/cpat-mobile-4/id1509075751)

Access your aviation training materials offline. Download courses to study at your convenience and sync your progress back to the CPaT Learning Management System when you have an internet connection.

**Highlights:** Offline training material access, Downloadable course content, Training progress tracking, Sync with CPaT LMS, Interactive training modules

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is B737 MRG free?

B737 MRG is free to download, with in-app purchases available.

### Is CPaT Mobile 4 free?

CPaT Mobile 4 is free to download, with no in-app purchases.

### Which has better reviews, B737 MRG or CPaT Mobile 4?

B737 MRG is rated higher. B737 MRG averages 4.9 out of 5 from 299 ratings, while CPaT Mobile 4 averages 2.2 from 19 ratings.

### Do B737 MRG or CPaT Mobile 4 have ads?

Neither B737 MRG nor CPaT Mobile 4 shows ads.

### Which is updated more often, B737 MRG or CPaT Mobile 4?

B737 MRG ships an update every 2 months, and CPaT Mobile 4 every 6 weeks. Most recently, B737 MRG was updated on October 26, 2026 and CPaT Mobile 4 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.*