Your next metro,
on your lock screen
Near a metro or RER station in the Paris region, TROME shows its next trains on your iPhone, both directions of every line. Not on the App Store yet.

TROME finds the station when you are about 150 meters from it: no station to pick, no account to create. The trains go away when you walk away. The Snooze buttons below them stop TROME for 30 minutes, 1 hour or the rest of the day.
I am Valentin Furmanek, and I make TROME for my own metro and RER rides, and for other riders.
A line with two branches, or the RER: you know where each train goes
Section titled “A line with two branches, or the RER: you know where each train goes”

How the trains reach your lock screen
Section titled “How the trains reach your lock screen”With the app open, they show as soon as you come near a station. With the app closed, a notification carries the name of the station: tap it, and they show. Nothing shows? Help says what to check.
HelpThe next trains do not show, or their minutes stop moving? Find your case and its fix.
PrivacyYour exact position never leaves your iPhone. What the app sends, and what I keep.
What’s newWhat each version of TROME changes for you.
Build it yourselfDon’t want to wait for the App Store? Install TROME with a Mac, Xcode and a free Apple ID.