# Touch CDU vs iCITATION Type Rating Prep

The clearest difference is rating: iCITATION Type Rating Prep at 4.1 against Touch CDU's 2.3. iCITATION Type Rating Prep also leads on review sentiment (71% vs 50%) and device support (3 vs 1). Touch CDU's advantage is in-app purchases (none vs 12) and iOS requirement (7.0 vs 13.0). On price, ratings volume and ads there is nothing between them.

Both are free to download. iCITATION Type Rating Prep sells 12 one-off in-app purchases. Touch CDU asks for nothing beyond the download.

iCITATION Type Rating Prep holds the better App Store score, 4.1 against 2.3. Both are backed by a comparable volume of ratings — 4 and 8 respectively. Written reviews point the same way: 50% of Touch CDU's written reviews are positive against 71% of iCITATION Type Rating Prep's.

## The numbers

| Metric | Touch CDU | iCITATION Type Rating Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (4 ratings)](https://appshunter.io/ios/app/touch-cdu/id1046121517/reviews) | **[4.1 (8 ratings)](https://appshunter.io/ios/app/icitation-type-rating-prep/id1501101539/reviews)** |
| Number of ratings | 4 | **8** |
| Positive reviews | 50.0% of reviews | **71.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 81 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Universal Avionics Systems Corporation](https://appshunter.io/developer/1009592289) | [Aircraft Apps LLC](https://appshunter.io/developer/1499571546) |

## 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


### iCITATION Type Rating Prep

[App page](https://appshunter.io/ios/app/icitation-type-rating-prep/id1501101539)

This app provides supplemental study materials for pilots preparing for various aviation exams and recurrent training. It features flashcards, quizzes, and memory item study guides for multiple Citation aircraft models, along with weather and flight planning tools.

**Highlights:** Citation aircraft flashcards, Multiple choice quizzes, Memory item study guides, Aircraft limitations study, Worldwide weather data, Airport distance calculator, Custom flashcard maker

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Citation CJ (CE-525) | $19.99 | one-time |
| Citation CJ1 (CE-525) | $19.99 | one-time |
| Citation CJ2 Type Rating Prep | $19.99 | one-time |
| Citation CJ4 Type Rating Prep | $19.99 | one-time |
| Citation CJ3 Type Rating Prep | $19.99 | one-time |
| Citation XLS+ Type Rating Prep | $19.99 | one-time |
| Citation Mustang (CE-510) | $19.99 | one-time |
| Citation X (CE-750) | $19.99 | one-time |
| Citation M2 Type Rating Prep | $19.99 | one-time |
| Citation CJ3+ (CE-525B) | $19.99 | one-time |
| Citation II (550/551) | $19.99 | one-time |
| Citation CJ+ Type Rating Prep | $19.99 | one-time |


## Frequently asked questions

### Is Touch CDU free?

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

### Is iCITATION Type Rating Prep free?

iCITATION Type Rating Prep is free to download, with in-app purchases available.

### Which has better reviews, Touch CDU or iCITATION Type Rating Prep?

iCITATION Type Rating Prep is rated higher. Touch CDU averages 2.3 out of 5 from 4 ratings, while iCITATION Type Rating Prep averages 4.1 from 8 ratings.

### Do Touch CDU or iCITATION Type Rating Prep have ads?

Neither Touch CDU nor iCITATION Type Rating Prep 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.*