FMGS A320 vs KERoster
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FMGS A320
This application provides a free and accurate simulation of the A320 Flight Management System. It's designed to help pilots familiarize themselves with the complex system before simulator sessions, offering an easy-to-use interface and a comprehensive set of functions.
- A320 FMS simulation
- Free play mode
- Accurate simulation
- Easy-to-use interface
- Comprehensive functions
- Pilot familiarization
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This app requires a user account provided by your Exail representative. A320 Flight Management System Trainer is Exail's solution for training center's need for A320 FMS familiarization tools. It offers a free play and accurate simulation, bringing a great added value before entering into simulators expensive sessions. Pilot's transition to A320 complex flight management system is smoothly performed thanks to an easy-to-use interface and a complete set of available functions.
KERoster
Easily input and view individual schedules by date or in a monthly calendar format. This app acts as a secondary calendar, displaying schedules as icons and allowing for detailed viewing, editing, and deletion. Additional flight-related functions will be added based on user feedback.
- Intuitive schedule input by date
- Calendar view with schedule icons
- Monthly calendar overview
- Detailed schedule view
- Schedule editing and deletion
- List view of monthly schedules
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All users can click the leftmost upload button at the bottom of the webview to intuitively input individual schedules by clicking on the desired date while viewing the calendar. This page is the Add Schedule By DATE page. When a schedule is entered, it appears on the calendar in the form of a small icon and acts as a secondary calendar. Clicking the rightmost calendar button at the bottom of the webview will display a monthly calendar based on the entered schedule, and clicking on a date will display a detailed schedule. Clicking the airplane button at the bottom will display a monthly view of the schedule in list form, and clicking on the corresponding month will display a detailed schedule and allow editing and deletion. The webview import and home buttons are for Iflight users. We will implement additional functions necessary for flights based on feedback in the future.
Screenshots
Verdict
The clearest difference is review sentiment: KERoster at 83% against FMGS A320's 20%. KERoster also leads on rating (5.0 vs 2.1) and update cadence (every 5 days vs every 10 months). FMGS A320's advantage is price (Free vs $0.49) and ratings volume (11 vs 1). On ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
FMGS A320 is free to download; KERoster costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.
KERoster holds the better App Store score, 5.0 against 2.1. That said, the two scores are not equally well evidenced: FMGS A320 has 11 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 20% of FMGS A320's written reviews are positive against 83% of KERoster's.
FMGS A320 ships an update every 10 months, KERoster every 5 days. The most recent releases landed on September 17, 2026 and September 29, 2026 respectively.
| Parameter | FMGS A320 | KERoster |
|---|---|---|
| Price | Free — better | $0.49 |
| Rating | 2.1 (11 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 20.0% of reviews | 83.3% of reviews — better |
| Number of ratings | 11 — better | 1 |
| Update frequency | Every 10 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 12.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 29 MB | 5 MB |
| Age rating | 4+ | 17+ |
| Developer | ECA Faros | JUNGSUB YOON |
Customer experience
FMGS A320
KERoster
In-app purchases
FMGS A320
No in-app purchases
KERoster
No in-app purchases
