SpeedLap.
Professional speed tracking and comprehensive fuel management for iPhone. Live GPS, lap timing, Dynamic Island Live Activities, multi-vehicle fuel data, and 31+ data points per GPS record.

The app, briefly.

one tap from tracking.

per fill-up, with projections.

cost, and trends over time.
Built for people who actually drive.
Real-time speed tracking
Live current speed with instant updates. Switch between MPH and km/h. Colour-coded: green current, orange average.
Professional lap timing
Stopwatch-style functionality with unlimited lap sections. Designed for track days and testing.
Dynamic Island
Live Activities show current and average speeds when the app is backgrounded. Glance, don't unlock.
Vehicle & fuel management
Track fuel consumption, costs, and efficiency across multiple vehicles. Visual analytics and CSV export.
Visual analytics & export
Built-in charts for efficiency trends and spending patterns. Export to CSV, JSON, or direct SQLite.
Comprehensive logging
31+ data points per GPS record. Accelerometer, gyroscope, and G-force measurements at 50Hz.
The whole kit, in your pocket.
Professional interface
- Large speed displays with clear colour coding
- Real-time updates every 0.1 seconds
- One-thumb operation while parked
- Dark mode that respects the system
Precision GPS logging
- Sub-metre accuracy positioning
- Standard and ellipsoidal altitude
- Course, heading, vertical speed
- Horizontal & vertical accuracy logged
Advanced sensor data
- Accelerometer X / Y / Z at 50Hz
- Gyroscope measurements
- Total G-force calculation
- Pitch / roll / yaw orientation
Fuel management system
- Multi-vehicle fuel tracking
- Detailed cost & mileage analytics
- Efficiency trends per vehicle
- Spending pattern charts
Data import & export
- Export to CSV or JSON
- Direct SQLite database access
- Free SpeedLap Insights web tool
- iCloud sync, optional
Built-in privacy
- All data local on device by default
- No analytics-by-default
- iCloud sync only if you turn it on
- Your data, your control
Built for specific kinds of nerd.
Track day enthusiasts
Lap times, G-force traces, route map per session.
Automotive testing
Acceleration, deceleration, sensor logs you can export.
Driving instruction
Reviewable telemetry from any lesson or test.
Vehicle dynamics
Pitch, roll, yaw, plus accelerometer data at 50Hz.
Fleet management
Multi-vehicle fuel and route tracking with CSV out.
Fuel efficiency analysis
Per-vehicle, per-fill-up. The nerdy economics.
Designed not to be a distraction
SpeedLap includes a comprehensive safety disclaimer on first launch. The app is designed for passenger use, or when the vehicle is safely stopped. The Dynamic Island integration is deliberate: you glance, you don't unlock.
Your data, your device
All data is stored locally using SQLite, with iCloud sync as an optional opt-in. No analytics by default. Export anything to SpeedLap Insights for browser-based analysis that also doesn't leave your machine.
Anything recent will do.
- iPhone with iOS 16.1 or later (for Live Activities)
- Location permission (for GPS)
- Motion sensor access (granted automatically)
Download SpeedLap today.
Start tracking your performance with professional precision. Free on the App Store, no subscriptions, no nonsense.