# B737 Performance Handbook vs VRflow B737NG

The clearest difference is review sentiment: B737 Performance Handbook at 75% against VRflow B737NG's 0%. B737 Performance Handbook also leads on rating (5.0 vs 3.2). VRflow B737NG's advantage is monetization model (freemium vs subscription). On price, ratings volume, update cadence and ads 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 B737NG sells 1 in-app purchase, starting at $22.49 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 3.2. Both are backed by a comparable volume of ratings — 9 and 6 respectively. Written reviews point the same way: 75% of B737 Performance Handbook's written reviews are positive against 0% of VRflow B737NG's.

B737 Performance Handbook ships an update every 2 months, VRflow B737NG every 3 months. Both last shipped on September 30, 2026.

## The numbers

| Metric | B737 Performance Handbook | VRflow B737NG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/b737-performance-handbook/id871314271/reviews)** | [3.2 (6 ratings)](https://appshunter.io/ios/app/vrflow-b737ng/id1619977611/reviews) |
| Number of ratings | **9** | 6 |
| Positive reviews | **75.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Subscription | **Freemium** |
| Size | 25 MB | 912 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 ApS](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 B737NG

[App page](https://appshunter.io/ios/app/vrflow-b737ng/id1619977611)

An interactive cockpit procedure trainer for the B737 NG, designed to enhance learning for type ratings, sim checks, and MCC courses. It offers detailed procedural training, system familiarization, and multi-crew simulation.

**Highlights:** Interactive cockpit procedure training, Normal procedures and memory items, Cockpit familiarization/Explore Mode, Multi-crew training with automatic crew member, Dynamic checklists and step-by-step explanations, Realistic aircraft systems and flight deck modeling

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| B737NG monthly subscription | $22.49 | per month |


## Frequently asked questions

### Is B737 Performance Handbook free?

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

### Is VRflow B737NG free?

VRflow B737NG is free to download, with in-app purchases available.

### Which has better reviews, B737 Performance Handbook or VRflow B737NG?

B737 Performance Handbook is rated higher. B737 Performance Handbook averages 5.0 out of 5 from 9 ratings, while VRflow B737NG averages 3.2 from 6 ratings.

### Do B737 Performance Handbook or VRflow B737NG have ads?

Neither B737 Performance Handbook nor VRflow B737NG shows ads.

### Which is updated more often, B737 Performance Handbook or VRflow B737NG?

B737 Performance Handbook ships an update every 2 months, and VRflow B737NG every 3 months. Most recently, B737 Performance Handbook was updated on September 30, 2026 and VRflow B737NG on September 30, 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.*