# 737 Handbook vs B737 CDU

The clearest difference is price: 737 Handbook at Free against B737 CDU's $7.99. 737 Handbook also leads on review sentiment (87% vs 43%) and rating (4.9 vs 2.0). B737 CDU's advantage is in-app purchases (none vs 2) and iOS requirement (8.0 vs 16.4). On ads and device support there is nothing between them.

737 Handbook is free to download; B737 CDU costs $7.99 up front. 737 Handbook sells 2 in-app purchases, starting at $16.99 per 6 months. B737 CDU asks for nothing beyond the download.

737 Handbook holds the better App Store score, 4.9 against 2.0. That said, the two scores are not equally well evidenced: 737 Handbook has 248 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 87% of 737 Handbook's written reviews are positive against 43% of B737 CDU's.

737 Handbook ships an update every 3 weeks, B737 CDU every 2 months. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 737 Handbook | B737 CDU |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| Rating | **[4.9 (248 ratings)](https://appshunter.io/ios/app/737-handbook/id1482597031/reviews)** | [2.0 (2 ratings)](https://appshunter.io/ios/app/b737-cdu/id1522267697/reviews) |
| Number of ratings | **248** | 2 |
| Positive reviews | **87.4% of reviews** | 42.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 51 MB | 43 MB |
| Requires iOS | 16.4 | **8.0** |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [737 PUBLISHING S.R.O.](https://appshunter.io/developer/1496630252) | [Kun-Woo Go](https://appshunter.io/developer/1775137171) |

## 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


### B737 CDU

[App page](https://appshunter.io/ios/app/b737-cdu/id1522267697)

This app simulates a Boeing 737 CDU, allowing users to explore its pages and enter data. It's designed for pilots preparing for flights or seeking a refresher on CDU operations. The tool offers touch screen navigation and access to FMC and ACARS pages.

**Highlights:** Simulates 737 CDU interface, Explore FMC and ACARS pages, Touch screen navigation, Data entry for CDU, Useful for pilot training

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 737 Handbook free?

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

### Is B737 CDU free?

B737 CDU costs $7.99, with no in-app purchases.

### Which has better reviews, 737 Handbook or B737 CDU?

737 Handbook is rated higher. 737 Handbook averages 4.9 out of 5 from 248 ratings, while B737 CDU averages 2.0 from 2 ratings.

### Do 737 Handbook or B737 CDU have ads?

Neither 737 Handbook nor B737 CDU shows ads.

### Which is updated more often, 737 Handbook or B737 CDU?

737 Handbook ships an update every 3 weeks, and B737 CDU every 2 months. Most recently, 737 Handbook was updated on November 11, 2026 and B737 CDU 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.*