# iB737NG vs CPaT Mobile 4

The clearest difference is review sentiment: iB737NG at 86% against CPaT Mobile 4's 0%. iB737NG also leads on rating (3.5 vs 2.2). CPaT Mobile 4's advantage is price (Free vs $59.99) and update cadence (every 6 weeks vs every 38 months). On ads, in-app purchases and iOS requirement there is nothing between them.

CPaT Mobile 4 is free to download; iB737NG costs $59.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iB737NG holds the better App Store score, 3.5 against 2.2. That said, the two scores are not equally well evidenced: CPaT Mobile 4 has 19 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 86% of iB737NG's written reviews are positive against 0% of CPaT Mobile 4's.

iB737NG ships an update every 38 months, CPaT Mobile 4 every 6 weeks. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iB737NG | CPaT Mobile 4 |
| --- | --- | --- |
| Price | $59.99 | **Free** |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/ib737ng/id611156504/reviews)** | [2.2 (19 ratings)](https://appshunter.io/ios/app/cpat-mobile-4/id1509075751/reviews) |
| Number of ratings | 2 | **19** |
| Positive reviews | **85.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 6 weeks** |
| Monetization | Paid | **Free** |
| Size | 114 MB | 42 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Werner Hamp](https://appshunter.io/developer/611156507) | [CPAT GLOBAL, LLC](https://appshunter.io/developer/989600741) |

## What reviewers say

### iB737NG

[App page](https://appshunter.io/ios/app/ib737ng/id611156504)

This comprehensive study guide and systems review app is designed for pilots training on the B737NG aircraft. It features interactive panel depictions, in-depth system information, and over 1000 questions and answers to prepare for oral exams.

**Highlights:** Interactive panel depictions of major systems, In-depth systems information, Over 1000 oral exam questions and answers, 500+ multiple choice knowledge exercises, Portable study tool for pilots

**Features:** macOS Compatibility

**In-app purchases:** none


### CPaT Mobile 4

[App page](https://appshunter.io/ios/app/cpat-mobile-4/id1509075751)

Access your aviation training materials offline. Download courses to study at your convenience and sync your progress back to the CPaT Learning Management System when you have an internet connection.

**Highlights:** Offline training material access, Downloadable course content, Training progress tracking, Sync with CPaT LMS, Interactive training modules

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iB737NG free?

iB737NG costs $59.99, with no in-app purchases.

### Is CPaT Mobile 4 free?

CPaT Mobile 4 is free to download, with no in-app purchases.

### Which has better reviews, iB737NG or CPaT Mobile 4?

iB737NG is rated higher. iB737NG averages 3.5 out of 5 from 2 ratings, while CPaT Mobile 4 averages 2.2 from 19 ratings.

### Do iB737NG or CPaT Mobile 4 have ads?

Neither iB737NG nor CPaT Mobile 4 shows ads.

### Which is updated more often, iB737NG or CPaT Mobile 4?

iB737NG ships an update every 38 months, and CPaT Mobile 4 every 6 weeks. Most recently, iB737NG was updated on October 15, 2026 and CPaT Mobile 4 on October 24, 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.*