Every detail,
every session.
Cold tire pressures, rear ride height, camber settings, weather conditions. If you log it, it's here.
50+ fields.
All optional.
Lap count, best time, weather, track conditions, tire data, vehicle setup. Log as much or as little as you want. Expandable sections keep it clean.
- Auto-populate from your previous session at the same track
- Multiple sessions per track day with shared conditions
- Free-form notes for anything the fields do not cover
Bridgestone RE-71RS
245/40R17 — Set 2
Heat Cycles
4 / 12
Tread (F)
5.2mm
Tread (R)
5.8mm
Hot Pressures (psi)
Tires have
a history too.
Multiple tire sets across vehicles. Heat cycles, tread depth, per-corner cold and hot pressures. It all adds up over sessions.
- Per-corner pressure tracking (cold and hot)
- Heat cycle counting with configurable limits
- Multiple tire sets per vehicle with quick switching
The data's there.
Read into it.
Lap time progression, temperature effects, setup comparisons. Patterns show up when you have enough sessions logged.
- Lap time progression charts per track
- Temperature and pressure sensitivity analysis
- Session-to-session comparison with setup diffs
Vehicle Setup
Alignment
Suspension
Dial it in,
corner by corner.
Per-corner alignment, front and rear suspension, aero settings, and powertrain configuration. Everything is saved per-session so you can trace every change back to its effect on lap time.
- Per-corner camber, toe, and caster fields
- Spring rates, damper clicks, sway bar position
- Ride height, wing angle, splitter position, and more
Maintenance
stays on schedule.
Service intervals by distance, time, or track day count. Color-coded warnings when something is coming due.
- Distance, time, and event-based intervals
- Warning and critical thresholds with color-coded status
- Full service history log per vehicle
Maintenance Schedule
Due at 3,200 km — current: 3,480 km
Due in 2 track days
Due at 4,800 km — current: 3,480 km
Due in 90 days
Your data. Yours.
JSON backup with a versioned schema. CSV export for spreadsheets. Everything lives on your device — export it whenever you want.
Simple pricing
Free works fine. Pro goes deeper.
One-time purchase. No subscriptions. No ads.
| Feature | Free | Pro |
|---|---|---|
| Vehicles | 3 | Unlimited |
| Track days | Unlimited | Unlimited |
| Session logging | ||
| Full setup tracking (50+ fields) | ||
| Tire management | ||
| Maintenance tracking | ||
| JSON backup & restore | ||
| Analytics & insights | ||
| CSV export |
That's the rundown.
Free on Google Play. No account, no internet, no strings.
