# 737 Handbook vs Avionics Pro

The clearest difference is in-app purchases: Avionics Pro at none against 737 Handbook's 2. Avionics Pro also leads on review sentiment (100% vs 87%). 737 Handbook's advantage is update cadence (every 3 weeks vs every 5 months) and ratings volume (247 vs 2). On price, rating, ads and device support there is nothing between them.

Both are free to download. 737 Handbook sells 2 in-app purchases, starting at $16.99 per 6 months. Avionics Pro asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for 737 Handbook against 5.0 for Avionics Pro. That said, the two scores are not equally well evidenced: 737 Handbook has 247 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 87% of 737 Handbook's written reviews are positive against 100% of Avionics Pro's.

737 Handbook ships an update every 3 weeks, Avionics Pro every 5 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | 737 Handbook | Avionics Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (247 ratings)](https://appshunter.io/ios/app/737-handbook/id1482597031/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/avionics-pro/id1617334005/reviews)** |
| Number of ratings | **247** | 2 |
| Positive reviews | 87.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 51 MB | 17 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [737 PUBLISHING S.R.O.](https://appshunter.io/developer/1496630252) | [Neil Rohan](https://appshunter.io/developer/1522614743) |

## What reviewers say

### 737 Handbook

[App page](https://appshunter.io/ios/app/737-handbook/id1482597031)

An interactive technical guide for pilots, offering quick reference for sim or interview preparation. Features interactive schematics, photos, videos, and a flight deck mock-up. Content is organized for flexible learning, from essential information to in-depth system exploration.

**Highlights:** Interactive schematics, Videos of malfunctions and systems, FMC simulator with CPDLC/ACARS, 737 Flight Deck Mock-up, Photo galleries, Offline content access

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Type Rating Pass (6-monthly) | $16.99 | per 6 months |
| Career Pass (Lifetime) | $54.99 | one-time |

**What reviewers like**

- 👍 Very informative and well-presented
- 👍 Excellent for learning and reference
- 👍 Great diagrams and visuals
- 👍 Helpful for pilots and trainees
- 👍 Worth the investment/cost

**What reviewers complain about**

- 🐛 App doesn't work offline
- 🐛 Sensitive/unintuitive touch controls
- 🐛 Expensive for what it offers
- 🐛 Crashes frequently
- 🐛 Slow loading times/stuck at percentages

**Reported bugs**

- App doesn't work offline
- Stuck at loading percentages (e.g., 56%, 57%)
- Premium content not available after purchase
- App fails to start after updates
- App not working on iOS 12.5.5

**Requested features**

- Make app available offline
- Improve interactive component intuitiveness
- Develop app for other aircraft models (e.g., 777)
- Add feature to highlight words and make in-app notes
- Consider sales/discounts on the app


### Avionics Pro

[App page](https://appshunter.io/ios/app/avionics-pro/id1617334005)

This educational tool provides essential calculators and circuit previews for aspiring Aircraft Electronics Technicians. It covers fundamental concepts like impedance, resonance, filters, and transistor bias, with real-world circuit examples tested in simulation and lab environments.

**Highlights:** Impedance calculators (Series/Parallel LRC), Resonance calculators, Filter circuit analysis with frequency response, Time constant calculations (RL/RC), Transistor bias simulation, Oscillator circuit examples

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

**In-app purchases:** none


## Frequently asked questions

### Is 737 Handbook free?

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

### Is Avionics Pro free?

Avionics Pro is free to download, with no in-app purchases.

### Which has better reviews, 737 Handbook or Avionics Pro?

Avionics Pro is rated higher. 737 Handbook averages 4.9 out of 5 from 247 ratings, while Avionics Pro averages 5.0 from 2 ratings.

### Do 737 Handbook or Avionics Pro have ads?

Neither 737 Handbook nor Avionics Pro shows ads.

### Which is updated more often, 737 Handbook or Avionics Pro?

737 Handbook ships an update every 3 weeks, and Avionics Pro every 5 months. Most recently, 737 Handbook was updated on November 3, 2026 and Avionics Pro on November 3, 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.*