# Leon > Mobile access to aviation crew information and operations management. (iPhone/iPad app by Leon Software.) - Source: https://appshunter.io/ios/app/leon/id443136426 (this page in markdown: same URL + `.md`) - Developer: [Leon Software](https://appshunter.io/developer/443136429) - Category: Business, Utilities - Price: Free - Rating: 4.30/5 from 8 App Store ratings · 11 written reviews indexed - Age rating: 4+ - Requires: iOS 16.0 · 55 MB - Languages: American English - Released: 2011-06-16 - Data updated: 2026-08-21 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/leon/id443136426/reviews.md ## What is Leon? LEON is an application designed for crew members. It offers a mobile access to crew information entered by air operators into Leon system. Leon is a software for aviation supporting aircraft operations fearuring many various functions that allow to run different procedures smoothly. It includes aiding in scheduling, aircraft and crew rostering, airplane dispatch, on-line flight watch, aircraft charter sales and many more. it consists of central database accessible through Internet in relation to users' privileges. The new version of the LEON app has a new design and displays office duties that were missing in the previous version. ## Key features - Mobile crew information access - Aircraft operations support - Scheduling and rostering - Airplane dispatch - Online flight watch - Centralized database access ## Recent user reviews (10 of 11) All indexed reviews: https://appshunter.io/ios/app/leon/id443136426/reviews.md ### 1/5 — Nowhere near as good as it used to be *2024-07-17, version 168.030* Why am I having to delete and reinstall this app pretty much weekly because it freezes/ goes completely blank/ doesn’t update? ### 1/5 — App crashes *2022-12-11, version 127.034* The latest version of the app crashes constantly and won’t actually open at all. ### 1/5 — Still needs support for landscape mode *2022-04-17, version 110.04* Had confirmation from Leon that this would be incorporated but seems like absolutely no effort to incorporate such a simple yet necessary feature. Terrible app ### 1/5 — Portrait to Landscape *2021-03-26, version 4.39.0* Still waiting for a flippable version. Ultra annoyed having to rotate the ipad every frickn time whenever I need the app. ### 2/5 — Unable to enter data to the journey log *2019-06-11, version 4.16.0* I have been unable to enter any data into the journey log for about 2 weeks. The app has some useful features, but none of the useful bits are available unless the is connected to the server via 4G or wifi-broadband. ### 3/5 — Days bug *2019-03-19* I have a flight on 31 march but in leon app , march shows only 30 days, I removed and reinstalled the app but the issue still remains. My colleagues on android doesn’t have this issue. You’re reply is appreciated Thank you ### 4/5 — Flight Details Broken by update - UPDATE FIXED *2019-02-18, version 4.12.2* Just updated App to latest version it has broken option to view flight details from schedule view. Now tapping on flight in schedule view will not display flight details? Further update issued today 18 Feb has returned functionality. Great support for quick fix. ### 1/5 — Do not update *2019-02-18, version 4.12.2* Do not download the update of this app.. it is broken! ### 1/5 — Name problem *2017-10-11, version 3.55.66* Still can not see all of crew members name please fix it. Thank you. ### 2/5 — Update *2015-08-09, version 2.0.21* Good app, but please bring back the ability to look further into the future. One month simply isn't enough. (8 to 10 weeks?) ## Frequently asked questions about Leon ### What is Leon? Leon is a software application designed for aviation operations, offering features for scheduling, crew rostering, dispatch, and flight watch. The mobile app provides crew members with access to information entered by air operators into the Leon system. ### Is Leon free to use? Yes, Leon is available for free. The application does not have any associated costs for download or use. ### What devices does Leon support? Leon is available on iPhone and iPad devices, allowing for mobile access to crew information and operations management. ### How often is Leon updated? The latest version of Leon is 213.031, which was last updated on March 27, 2026. This indicates a commitment to regular updates and improvements. ### What is the age rating for Leon? Leon has an age rating of 4+, making it suitable for a wide range of users, including younger individuals who may be involved in aviation-related contexts. ### Does Leon have ads? No, Leon does not contain advertisements. Users can expect an ad-free experience while managing their aviation operations information. ### What new features are in the latest version of Leon? The new version of the Leon app features a redesigned interface and includes office duties that were not present in previous versions, enhancing its functionality for crew members. ### How does Leon handle user privileges? Leon utilizes a central database accessible through the internet, with user privileges managed to ensure that users only see information relevant to their role and access level. ## Version history (last 5 releases) ### 223.022 — 2026-08-14 Minor fixes ### 222.039 — 2026-08-01 Minor fixes ### 221.033 — 2026-07-18 Minor fixes ### 220.047 — 2026-07-03 Minor fixes ### 219.052 — 2026-06-26 Minor fixes ## Apps similar to Leon | App | Rating | Price | Category | | --- | --- | --- | --- | | [Airload Planner](https://appshunter.io/ios/app/airload-planner/id6590621953) | — | Free | Business | | [RosterBuster Crew App](https://appshunter.io/ios/app/rosterbuster-crew-app/id1035558169) | 4.4 (2,068) | Free | Business | | [AIMS Journey Log](https://appshunter.io/ios/app/aims-journey-log/id1318766458) | 1.0 (4) | Free | Business | | [eQRH](https://appshunter.io/ios/app/eqrh/id903360017) | — | Free | Business | | [DocuNet Viewer](https://appshunter.io/ios/app/docunet-viewer/id857810655) | 1.0 (4) | Free | Business | | [Flight Schedule Pro](https://appshunter.io/ios/app/flight-schedule-pro/id841018600) | 3.6 (542) | Free | Business | ## More apps by Leon Software - [Leon Owner](https://appshunter.io/ios/app/leon-owner/id1501703233) - [Leon Sales App](https://appshunter.io/ios/app/leon-sales-app/id1546847901) All apps by Leon Software: https://appshunter.io/developer/443136429 ## Related topics [leon](https://appshunter.io/ios/topics/leon) · [leyon](https://appshunter.io/ios/topics/leyon) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-21.*