# CPaT Mobile 4 vs E

The clearest difference is review sentiment: E at 67% against CPaT Mobile 4's 0%. CPaT Mobile 4's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 14.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CPaT Mobile 4 ships an update every 6 weeks, E every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | CPaT Mobile 4 | E |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.2 (19 ratings)](https://appshunter.io/ios/app/cpat-mobile-4/id1509075751/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 42 MB | 447 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [CPAT GLOBAL, LLC](https://appshunter.io/developer/989600741) | [Heading 365](https://appshunter.io/developer/1609857583) |

## What reviewers say

### 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


### E

[App page](https://appshunter.io/ios/app/e-jet-load-27-fms-trainer-pro/id1611902041)

This app provides a realistic simulation of an E-JET Honeywell FMS Load 27 FMS for professional pilot training. It offers guided tours, error analysis, and failure case simulations to enhance FMS skills.

**Highlights:** Realistic FMS simulation, Worldwide navigation database, Guided tutorial function, Static analyzer with feedback, Error control and explanation, Failure case simulation, Integrated CPDLC functions

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

**In-app purchases:** none


## Frequently asked questions

### Is CPaT Mobile 4 free?

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

### Is E free?

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

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

Neither CPaT Mobile 4 nor E shows ads.

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

CPaT Mobile 4 ships an update every 6 weeks, and E every 2 months. Most recently, CPaT Mobile 4 was updated on November 3, 2026 and E 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.*