# A320 System Study Guide vs A320 FMS Trainer PRO

The clearest difference is review sentiment: A320 System Study Guide at 100% against A320 FMS Trainer PRO's 13%. A320 System Study Guide also leads on in-app purchases (none vs 3) and update cadence (every 2 days vs monthly). On price, ads and iOS requirement there is nothing between them.

Both are free to download. A320 FMS Trainer PRO sells 3 in-app purchases, starting at $44.99 per month. A320 System Study Guide asks for nothing beyond the download.

A320 System Study Guide ships an update every 2 days, A320 FMS Trainer PRO monthly. The most recent releases landed on October 19, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | A320 System Study Guide | A320 FMS Trainer PRO |
| --- | --- | --- |
| 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** | 12.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Monthly |
| Monetization | **Free** | Subscription |
| Size | 28 MB | 640 MB |
| Requires iOS | **14.4** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sobhi Arood](https://appshunter.io/developer/867881944) | [Heading 365](https://appshunter.io/developer/1609857583) |

## 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 FMS Trainer PRO

[App page](https://appshunter.io/ios/app/a320-fms-trainer-pro/id1609857581)

This app provides a realistic simulation of an A320 Thales FMS for pilots and students to improve their skills. It includes features like free play, error control, failure case simulation, and CPDLC integration.

**Highlights:** Realistic A320 Thales FMS simulation, Worldwide navigation database, Free Play Mode with all functions, Save and load FMS setups, Error detection and explanation, Simulation of FMS failures, Integrated CPDLC functions

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One month subscription | $44.99 | per month |
| Three months subscription | $118.99 | per 3 months |
| One year subscription | $339.00 | per year |


## Frequently asked questions

### Is A320 System Study Guide free?

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

### Is A320 FMS Trainer PRO free?

A320 FMS Trainer PRO is free to download, with in-app purchases available.

### Do A320 System Study Guide or A320 FMS Trainer PRO have ads?

Neither A320 System Study Guide nor A320 FMS Trainer PRO shows ads.

### Which is updated more often, A320 System Study Guide or A320 FMS Trainer PRO?

A320 System Study Guide ships an update every 2 days, and A320 FMS Trainer PRO monthly. Most recently, A320 System Study Guide was updated on October 19, 2026 and A320 FMS Trainer PRO on October 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*