Archived App (Last seen on 10 May 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
Details
About
This application enables users to conduct on-board train measurement tests. It allows for real-time monitoring of train dynamics and track geometry, with data visualization and analysis.
What's New in SUMO
1.0.0
August 18, 2016
Apple a mis à jour cette app afin d’afficher l’icône de l’app Apple Watch. Nous avons changé notre politique d’utilisation. Nous avons supprimé les comptes existants. Pour vous inscrire veuillez nous envoyer un mail à l’adresse suivante sumo@sncf.fr. Nous nous réservons le droit de refuser l’usage de SUMO.
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Developer apps
FAQ
What is SUMO used for?
SUMO is used to conduct on-board train measurement tests, allowing users to measure and collect the dynamic behavior of a train and monitor railway track geometry in real-time.
Does SUMO have ads?
No, SUMO does not contain advertisements. It is a free application developed by SNCF Réseau.
What devices does SUMO support?
SUMO is available for iPhone, iPad, and iPod devices.
How does SUMO track location?
SUMO uses GPS to continuously locate measurements within the track's reference system, including line, track, and kilometer point.
What kind of analysis does SUMO perform?
SUMO analyzes collected measurements using signal processing techniques, including filtering, temporal centering, and threshold exceedance analysis to identify abnormal accelerations.
Can I share data collected with SUMO?
Yes, SUMO allows users to share the collected data on their servers for further review and analysis.
When was SUMO last updated?
SUMO was last updated on August 18, 2016, with version 1.0.0.
What is the age rating for SUMO?
SUMO has an age rating of 4+, making it suitable for a wide range of users.


