# Touch CDU vs E

The clearest difference is review sentiment: E at 67% against Touch CDU's 50%. Touch CDU's advantage is iOS requirement (7.0 vs 14.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

## The numbers

| Metric | Touch CDU | E |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (4 ratings)](https://appshunter.io/ios/app/touch-cdu/id1046121517/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 50.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Monetization | Free | Free |
| Size | 6 MB | 447 MB |
| Requires iOS | **7.0** | 14.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Universal Avionics Systems Corporation](https://appshunter.io/developer/1009592289) | [Heading 365](https://appshunter.io/developer/1609857583) |

## What reviewers say

### Touch CDU

[App page](https://appshunter.io/ios/app/touch-cdu/id1046121517)

This application simulates a realistic flight management system control display unit for pilot training. It offers full functionality of a physical unit wirelessly via Wi-Fi, providing a cost-effective solution for familiarization programs.

**Highlights:** Virtual CDU simulation, Wireless Wi-Fi connection, Data entry and key selection, Multiple display size options, Cost-effective training tool

**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 Touch CDU free?

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

### Is E free?

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

### Do Touch CDU or E have ads?

Neither Touch CDU nor E shows ads.

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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.*