RollBy Train Speedometer is a free (and ad-free) speedometer and odometer for model trains on your Android phone or tablet. Requires a RollBy OnBoard Speedometer for each train, available from Boulder Creek Engineering (www.bouldercreekengineering.com).
Now you can see how fast your model train is traveling and how far it has gone. Measure the distance between towns, or the length of your sidings and yard tracks.
• Receives speed and distance with Bluetooth Low Energy (BLE) radio
• Continuously measures speed and distance while train is in motion
• Tracks more than one RollBy OnBoard Speedometer at the same time
• Measures Real and Scale Distance on your layout
• Displays elapsed Running Time
• Speed and Distance displayed in English (MPH, feet, miles) or Metric (KPH, meters, km)
• Requires Android version 4.3 or greater with BLE capability