# B737 FMS Trainer PRO — Rethinking FMS Training > Rethinking FMS Training (iPhone/iPad app by Heading 365.) - Source: https://appshunter.io/ios/app/b737-fms-trainer-pro/id6740525381 (this page in markdown: same URL + `.md`) - Developer: [Heading 365](https://appshunter.io/developer/1609857583) - Category: Education, Business - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 15.0 · 745 MB - Released: 2025-08-19 - Data updated: 2026-08-31 - User reviews in markdown: https://appshunter.io/ios/app/b737-fms-trainer-pro/id6740525381/reviews.md ## What is B737 FMS Trainer PRO? This FMS trainer app is for individual and commercial customers. Individual users can purchase monthly access via the in-app subscription, while commercial customers will receive their access keys from their operators or training organizations. The subscription for individual users may not be available in certain countries. The “B737 FMS Trainer PRO” offers a highly realistic simulation of a real B737 FMS (NG and MAX), enabling students and pilots to enhance their FMS skills effectively in a very short time. To access the app, your operator or training organisation will provide you with an activation key. B737 FMS Trainer PRO includes the following functions: • Free Play Mode Explore all FMS functions on your own and fly to any airport in the world! Offering a realistic FMS simulation including all functions, the app is equipped with a realistic NAV display and a worldwide navigation database. • NG and MAX version Our 2-in-1 app offers the possibility to train on both types, the NG and MAX version. You can choose your exact aircraft type to get the right simulation for your needs, including ND, EFIS Panel and CDU. • Save feature Save and load as many setups as you want and easily present pre-made FMS states during briefings. • Error Control Done any mistake during FMS setup? The error control function will show you what went wrong and give an explanation about the mistake. Also interested in other FMS trainer apps? We offer professional FMS training applications for various aircraft types, including A320, A330, B737, B747, B777, B787 and Embraer E-JETs. Further apps are currently being developed and will expand our portfolio soon. The standard Apple EULA applies: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | One month subscription | $34.99 | per month | ## Version history (last 5 releases) ### 1.13.0 — 2026-08-31 - added U14 software version and MAX airframe hardware simulation including NavDisplay - added the VSD to both the NG and the MAX airframe - fixed a bug that prevented entry of database waypoints on the RTE page - fixed a bug where the wrong runway was shown on the RTE page when entering an airport into inactive route ### 1.12.0 — 2026-07-02 - This update includes the latest AIRAC cycle - added vor and app modes on the ND - added subscriptions for private users - fixed a bug on the Progress1/4 page where the recorded altitude ATA and fuel fields where displayed wrong - fixed a bug on the Ident1 page where swapping the navigation database did not reset the fms - fixed a bug on the Ident1 and Ident2 pages where DELETE was not correctly inhibited - fixed a bug where no new cruise altitude could be entered when in go-around-phase - fixed a bug that prevented the update of navigation databases in certain cases ### 1.11.0 — 2026-04-01 - This update includes the latest AIRAC cycle (2603) - Added Datalink Request Simulation - Added Guided Tours - Fixed a visual bug of the rotation knobs on the EFIS panel - Fixed a bug where a wrong discontinuity was inserted when performing a direct to procedure - Fixed a bug on the ND where an invalid distance was rendered for VM- and FM-legs - Fixed a bug on the down selection for the wind corr field on the Approach-Ref-Page was not working - fixed a bug where the GPS2 position was not changed when changing the aircraft position via the side menu - fixed a bug on the RTEX pages where a wrong scratchpad message was shown when entering certain waypoints - fixed a bug on the N1Limits page where the selection was not changed when changing flight phases - Fixed a bug where the map mode on the Navigation Display was drawn wrong in different aspect ratios ### 1.10.1 — 2026-02-09 - This update includes the latest AIRAC cycle (2601) - fixed a bug where the selected Aircraft, selected Engine and Software version options where blank in the app control section of the side menu - fixed a problem where the Nav Display was not centered on a direct to point - fixed a problem where the offset path was deleted when the first waypoint was sequenced - fixed a bug when entering a direct to waypoint where the entered waypoint was not centered on the Nav Display - improved Engine Out Page behavior and visuals to be more in line with the real aircraft - improved runtime performance and reduced battery usage while running the fms trainer - changed the set position function on the Side Menu No when the position is set, the IRS is no longer automatically aligned so that the "POS INIT" step has to be performed again with the new position Also this function is now limited to the preflight phase, meaning that the position can no longer be changed when in flight ### 1.10.0 — 2026-01-05 - fixed a bug that lead to a modification (illuminating the exec light) when sequencing waypoints - fixed wrong behavior of fuel field on the perf init page where input was allowed input now refers to the SideMenu where the fuel can be modified - fixed the behavior of "last position" and "set irs position" field on the pos init page - fixed an internal error when storing a snapshot while a message is in the recall message list - fixed a bug where a VM-leg would change its position when the leg is sequenced - fixed a bug where the selected aircraft, engine and fms version where not represented in the FMS - improved filtering of snapshots in the side menu ## Apps similar to B737 FMS Trainer PRO | App | Rating | Price | Category | | --- | --- | --- | --- | | [737 Master Caution](https://appshunter.io/ios/app/737-master-caution/id6455042070) | 4.4 (7) | Free | Education | | [737 Systems Study & Exam](https://appshunter.io/ios/app/737-systems-study-and-exam/id6746050589) | 5.0 (3) | Free | Education | | [Boeing 737 FMC CDU](https://appshunter.io/ios/app/boeing-737-fmc-cdu/id6503940647) | 1.0 (4) | Free | Education | | [iBOEING B-737 Aircraft Apps](https://appshunter.io/ios/app/iboeing-b-737-aircraft-apps/id1530749830) | 5.0 (2) | Free | Education | | [Boeing 777 FMC CDU](https://appshunter.io/ios/app/boeing-777-fmc-cdu/id6741680855) | — | Free | Education | | [737 NG FMS Tutorial](https://appshunter.io/ios/app/737-ng-fms-tutorial/id6451326145) | 4.3 (8) | $29.99 | Education | ## More apps by Heading 365 - [A320 FMS Trainer PRO](https://appshunter.io/ios/app/a320-fms-trainer-pro/id1609857581) - [E-Jet Load 27 FMS Trainer PRO](https://appshunter.io/ios/app/e-jet-load-27-fms-trainer-pro/id1611902041) - [E-Jet Load 25 FMS Trainer PRO](https://appshunter.io/ios/app/e-jet-load-25-fms-trainer-pro/id1611902086) - [A320 FMS Trainer](https://appshunter.io/ios/app/a320-fms-trainer/id1612162282) - [A330 FMS Trainer PRO](https://appshunter.io/ios/app/a330-fms-trainer-pro/id1668591305) - [E-Jet Load 25 FMS Trainer](https://appshunter.io/ios/app/e-jet-load-25-fms-trainer/id6443721506) All apps by Heading 365: https://appshunter.io/developer/1609857583 --- *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 2026-08-31.*