Telemetry as it happens
Speed, PWM, voltage, currents, power, temperatures, lean angles and distance. Whatever the wheel is willing to report.
Android · iPhone · Wear OS · watchOS
Everything your wheel knows, on your phone screen
LoEUC reads telemetry over Bluetooth, records rides, shows battery data and warns you while there is still headroom left. LeaperKim, NOSFET, InMotion, Begode, KingSong.
The short version
The short version
A dashboard you arrange
Pick the tiles you want, drag a corner to resize, reorder them. Gauges, numbers, charts and a map on one screen.
Rides and routes
Ride history with a chart per metric, a GPS track on the map, and a summary image to send to friends.
The battery, down to one cell
Voltage of every cell, the spread between them, temperatures, charge and discharge currents, capacity and cycle count.
Alerts you design yourself
Any metric, your own thresholds, your own logic. The sound is built step by step instead of picked from three presets.
Wheel settings
Settings are written straight from the app and saved as presets you can hand to another rider.
What it looks like
The app
The Android screens are rendered from demo data, the iPhone ones taken on a real wheel. The app no longer borrows its colours from the system theme: the palette is its own, in light and dark.
Download
Download
The app is free and has no ads. It works locally without an account. Synchronization with your personal cabinet is your choice.
iPhone
Installed from the App Store, updated like any other app.
An Apple account is required
The App Store carries the stable version. TestFlight gets test builds earlier: fresher, but less proven.
Android
A direct download. Android will ask you to allow installs from this source, which is expected.
- Version ()
- Version 1.2 (92)
- 30.8 MB, built 9 Oct 2026
Google Play carries the stable build: tested, and released less often. The direct download above is always newer.
SHA-256 checksum
078cced311e5dedf71f32bba15ed617ae0518654519cfc5fa9be76d35e27ad54
Watch
The Wear OS watch app. If the phone app was not installed from Google Play, the watch will not receive its own — this file installs it by hand.
- Version ()
- Version 1.1 (360100031)
- 23.1 MB, built 9 Oct 2026
SHA-256 checksum
19bb99900e5ebe485f3f0d9c569bf6ecdf284ba15235ec1fa75f9e77477727ce
Wheel support
Which wheels it reads
A straight answer about what has been confirmed on real wheels and what comes from reverse engineering and still needs checking.
- LeaperKim Full Telemetry, battery, wheel settings, presets, and keeping a parked wheel awake.
- NOSFET Full The same protocol as LeaperKim: telemetry, battery, settings and presets.
- InMotion Full Telemetry, battery, diagnostics and settings depending on the wheel. Legacy protocol support has been checked against WheelLog captures; older wheels have not yet connected directly to LoEUC.
- Begode Full Telemetry, smart BMS and settings. Current accounts for regeneration; when a smart BMS is available, it corrects the controller current reading.
- KingSong Partial Telemetry, smart BMS, lights and settings. Real captures exist; settings writes have not yet been confirmed on hardware.
- Ninebot Full Telemetry and battery. Experimental protocol implementation; no real capture is available for verification yet.
- Solowheel Xtreme Full Speed and voltage checked against a real capture. No smart BMS or settings.
Every brand and every field in detail: the wheels section
Your wheel is not on the list?
Write to me. Adding a model needs a capture of the conversation with the wheel, which the app records itself, plus a couple of known readings from the wheel display to check the decode against.