# A320 System Study Guide vs A320 CFDS Trainer Lite

The clearest difference is review sentiment: A320 System Study Guide at 100% against A320 CFDS Trainer Lite's 25%. A320 System Study Guide also leads on update cadence (every 2 days vs every 3 months). 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.

A320 System Study Guide ships an update every 2 days, A320 CFDS Trainer Lite every 3 months. The most recent releases landed on September 25, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | A320 System Study Guide | A320 CFDS Trainer Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/a320-system-study-guide/id1597477744/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | **100.0% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 months |
| Monetization | Free | Free |
| Size | 28 MB | 69 MB |
| Requires iOS | 14.4 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sobhi Arood](https://appshunter.io/developer/867881944) | [ERM SIMS LLC](https://appshunter.io/developer/1697141250) |

## What reviewers say

### A320 System Study Guide

[App page](https://appshunter.io/ios/app/a320-system-study-guide/id1597477744)

A study guide for A320 trainees and pilots to easily learn and recall aircraft systems information. It aids in understanding and assimilating FCOM documentation and serves as a quick review tool. Users can add and save personal notes within the application.

**Highlights:** Aircraft systems study guide, FCOM assimilation aid, Memory review tool, Personal note-taking, Easy recall of information

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

**In-app purchases:** none


### A320 CFDS Trainer Lite

[App page](https://appshunter.io/ios/app/a320-cfds-trainer-lite/id6451204364)

Master the A320 Centralized Fault Display System with this mobile maintenance training app. Practice fault reporting, navigate menus, and access reference pages from related systems. Designed by aviation experts for professionals, it offers offline functionality and an ad-free experience.

**Highlights:** Practice PFR creation, Navigate CFDS menus, Access Normal and Menu Modes, View static reference pages, Offline functionality, Ad-free learning

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is A320 System Study Guide free?

A320 System Study Guide is free to download, with no in-app purchases.

### Is A320 CFDS Trainer Lite free?

A320 CFDS Trainer Lite is free to download, with no in-app purchases.

### Do A320 System Study Guide or A320 CFDS Trainer Lite have ads?

Neither A320 System Study Guide nor A320 CFDS Trainer Lite shows ads.

### Which is updated more often, A320 System Study Guide or A320 CFDS Trainer Lite?

A320 System Study Guide ships an update every 2 days, and A320 CFDS Trainer Lite every 3 months. Most recently, A320 System Study Guide was updated on September 25, 2026 and A320 CFDS Trainer Lite on September 26, 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.*