OASES vs Leon Owner
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
OASES
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To enable you to optimise your operations, share data, and collaborate seamlessly across any workforce, anywhere β from head office to hangar and warehouse β at any time Commsoft now offers OASES Mobile continuously deployed and evergreen. OASES Mobile meets the unique operational needs of fixed wing, rotary and MRO organisations providing valuable time-saving and cost effective features designed to streamline workflows and increase productivity. Save time and effort in the warehouse using your own mobile device loaded with OASES Mobile latest features include: - Part look-up and issue - Warehouse part distribution - Bin distribution - Stock transfer - Quick requirement create - Serviceable label barcode and QR code scanning - Stock audit creation and execution - Shipping dispatch, receive and check in - Serviceable label printing Engineers will benefit from time and effort saved using OASES Mobile with features including: - Carried forward defects by aircraft - MEL references by aircraft and chapter - Part look-up and issue - Stock levels - Quick requirement create - Book on and off task cards Using a deviceβs inbuilt hardware, users can now undertake a variety of tasks instantly in the field. For example, they can book in and off task cards in the hanger or check and issue stock within the warehouse just by using the camera as a scanner. OASES Mobile optionally interfaces to a dedicated ultra-tough and rugged form factor RFID/Barcode imager allowing instant on the go label printing direct from the app.
Leon Owner
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Leon Owner App is a mobile application designed exclusively to meet the needs of aircraft owners who leave the management process and other operational aspects of the aircraft ownership to third parties. Leon Owner App provides easy access to the aircraft schedule for owners, allowing them to request a flight and manage their bookings using the mobile phone. Flights created this way are available for further handling via Leon web platform.
Screenshots
Verdict
The clearest difference is iOS requirement: OASES at 12.1 against Leon Owner's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
OASES ships an update monthly, Leon Owner every 6 weeks. The most recent releases landed on September 29, 2026 and October 9, 2026 respectively.
| Parameter | OASES | Leon Owner |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly β better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.1 β better | 15.1 |
| Further details β not scored | ||
| Size | 86 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Communications Software Airline Systems Limited | Leon Software |
In-app purchases
OASES
No in-app purchases
Leon Owner
No in-app purchases








