# B737 MRG vs Physics Formulas Pro

The clearest difference is price: B737 MRG at Free against Physics Formulas Pro's $0.99. Physics Formulas Pro's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

B737 MRG is free to download; Physics Formulas Pro costs $0.99 up front. B737 MRG sells 1 in-app purchase, starting at $9.99 per year. Physics Formulas Pro asks for nothing beyond the download.

## The numbers

| Metric | B737 MRG | Physics Formulas Pro |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.9 (299 ratings)](https://appshunter.io/ios/app/b737-mrg/id481163421/reviews)** | — |
| Number of ratings | **299** | — |
| Positive reviews | 81.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Subscription | — |
| Size | 95 MB | 5 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MCC (BV)](https://appshunter.io/developer/421126411) | [Jens Borg](https://appshunter.io/developer/1885645868) |

## 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


### Physics Formulas Pro

[App page](https://appshunter.io/ios/app/physics-formulas-pro/id6760673704)

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

**In-app purchases:** none


## Frequently asked questions

### Is B737 MRG free?

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

### Is Physics Formulas Pro free?

Physics Formulas Pro costs $0.99, with no in-app purchases.

### Do B737 MRG or Physics Formulas Pro have ads?

Neither B737 MRG nor Physics Formulas Pro shows ads.

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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.*