# B737 Performance Handbook vs VRflow B737MAX

The clearest difference is monetization model: VRflow B737MAX at freemium against B737 Performance Handbook's subscription. VRflow B737MAX also leads on review sentiment (100% vs 75%). B737 Performance Handbook's advantage is rating (5.0 vs 4.7) and update cadence (every 2 months vs every 4 months). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. B737 Performance Handbook sells 4 in-app purchases, starting at $4.49 per year and VRflow B737MAX sells 1 in-app purchase, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

B737 Performance Handbook holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 9 and 3 respectively. Written reviews complicate that: 75% of B737 Performance Handbook's written reviews are positive against 100% of VRflow B737MAX's, so the app with the better star average is not the one people write more warmly about.

B737 Performance Handbook ships an update every 2 months, VRflow B737MAX every 4 months. The most recent releases landed on August 30, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | B737 Performance Handbook | VRflow B737MAX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/b737-performance-handbook/id871314271/reviews)** | [4.7 (3 ratings)](https://appshunter.io/ios/app/vrflow-b737max/id6443544971/reviews) |
| Number of ratings | **9** | 3 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Subscription | **Freemium** |
| Size | 25 MB | 914 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maurits Hulshof](https://appshunter.io/developer/1522456315) | [VRpilot](https://appshunter.io/developer/1549637695) |

## What reviewers say

### B737 Performance Handbook

[App page](https://appshunter.io/ios/app/b737-performance-handbook/id871314271)

An electronic reference guide for airline pilots and dispatchers, offering tools and comprehensive performance data for Boeing 737 aircraft. It incorporates EASA and FAA regulations with detailed explanations and interactive calculators.

**Highlights:** Landing distance & brake cooling calculator, Go-around gradient & limit weight calculator, Runway condition report decoder, Actual stop margin calculator, Wind components / VREF additive calculator, Interactive V1 adjustment, EASA and FAA edition support, Keyword search and bookmarking

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tools Annual (original users) | $4.49 | per year |
| Member Annual | $13.99 | per year |
| Tools Lifetime (orig. users) | $16.99 | one-time |
| Member Lifetime | $41.99 | one-time |


### VRflow B737MAX

[App page](https://appshunter.io/ios/app/vrflow-b737max/id6443544971)

An interactive cockpit procedure trainer for the B737 MAX, designed to accelerate learning for type ratings, sim checks, and MCC courses. It offers realistic system behavior and multi-crew training scenarios.

**Highlights:** Normal procedures training, Memory items practice, Cockpit exploration mode, Flow visualizations, Multi-crew training (PF/PM roles), Dynamic checklists, Realistic aircraft systems

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| B737MAX monthly subscription | $19.99 | per month |


## Frequently asked questions

### Is B737 Performance Handbook free?

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

### Is VRflow B737MAX free?

VRflow B737MAX is free to download, with in-app purchases available.

### Which has better reviews, B737 Performance Handbook or VRflow B737MAX?

B737 Performance Handbook is rated higher. B737 Performance Handbook averages 5.0 out of 5 from 9 ratings, while VRflow B737MAX averages 4.7 from 3 ratings.

### Do B737 Performance Handbook or VRflow B737MAX have ads?

Neither B737 Performance Handbook nor VRflow B737MAX shows ads.

### Which is updated more often, B737 Performance Handbook or VRflow B737MAX?

B737 Performance Handbook ships an update every 2 months, and VRflow B737MAX every 4 months. Most recently, B737 Performance Handbook was updated on August 30, 2026 and VRflow B737MAX on September 11, 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.*