Race Buddy: Lap & Drag Timer
No in-app products collected for this app.
| Rating | |||
|---|---|---|---|
| United States | 18%11 | 3.64 | |
| Croatia | 10%6 | 4.67 | |
| Serbia | 10%6 | 4.33 | |
| Poland | 7%4 | 4.00 | |
| Russia | 7%4 | 2.50 | |
| Brazil | 5%3 | 4.67 | |
| Bulgaria | 3%2 | 5.00 | |
| Canada | 3%2 | 3.00 | |
| China | 3%2 | 1.00 | |
| Netherlands | 3%2 | 2.50 | |
| Slovenia | 3%2 | 5.00 | |
| Austria | 2%1 | 5.00 | |
| Belgium | 2%1 | 1.00 | |
| Switzerland | 2%1 | 5.00 | |
| Czech Republic | 2%1 | 1.00 | |
| Germany | 2%1 | 4.00 | |
| Spain | 2%1 | 5.00 | |
| Finland | 2%1 | 5.00 | |
| United Kingdom | 2%1 | 5.00 | |
| Jordan | 2%1 | 5.00 | |
| Lithuania | 2%1 | 3.00 | |
| Philippines | 2%1 | 1.00 | |
| Saudi Arabia | 2%1 | 5.00 | |
| Sweden | 2%1 | 1.00 | |
| Turkey | 2%1 | 5.00 | |
| Taiwan | 2%1 | 5.00 | |
| Ukraine | 2%1 | 1.00 |
Description
For track day drivers, drag strip racers and tuners. Pair RaceBuddy ONE, RaceBox, Dragy or RaceHF — measure 0-60 mph, quarter mile, sector times, lap deltas, and real-world horsepower in one app.
Used at 1,000+ sanctioned tracks worldwide by track day enthusiasts, autocross drivers, drag strip racers, motorcycle riders and performance tuners. Designed for closed-course use only — sanctioned circuits, drag strips, autocross courses. Not for road or street use.
POWER & TORQUE — REAL-WORLD DYNO
Measure horsepower and torque from a single clean GPS pull
Smart Garage AI fills drivetrain, weight, gear ratios and frontal area
Compare power gains across mods, tunes and fuel
No chassis dyno needed
LAP TIMER & TRACK DAY COMPANION
Professional GPS lap timing with sector splits
Automatic circuit detection at 1,000+ tracks worldwide
Live delta timing — real-time lap improvements
Ideal lap calculation from your best sectors
Track maps with racing line analysis
Compare laps against your best or any public Leaderboard lap
DRAG STRIP & ACCELERATION
0-60 mph, 0-100 km/h, 1/8 mile, 1/4 mile, 1/2 mile times
Predicted 1/4 mile ET — projected time live, mid-run
60-foot rollout, slope correction, density altitude compensation
DIFF time vs your selected reference run
Compare runs side-by-side
Rolling acceleration from any speed
Braking performance measurement
Real-time speed display up to 25 Hz GPS accuracy
G-force meter for launch and braking analysis
VIDEO & DATA OVERLAY
HD recording with synchronized telemetry
Green screen export for post-production
Overlay onto your existing video — Drag & Laptimer
Custom overlay layouts (PRO)
Up to 4K resolution and portrait orientation (PRO)
Picture-in-picture track map
Speed, G-forces, lap times, temperatures, RPM-derived data
Story and Post cards for Instagram and TikTok
ADVANCED TELEMETRY & ANALYSIS
Density altitude for accurate tuning
Weather and temperature tracking
Detailed session history and statistics
VBO and CSV export
Telemetry import from other devices
VEHICLE MANAGEMENT
Rich car profiles with variant data
AI fills unknown specs (gears, weights, drivetrain, more)
DCT, CVT, manual and automatic transmissions supported
Track multiple vehicles with per-car performance history
Power-to-weight calculations
SUPPORTED GPS DEVICES (Bluetooth pairing required)
RaceBuddy ONE — connect and use for free
Dragy, Dragy Pro
RaceBox Mini, Mini S, Micro
RaceBox.cc
RaceHF
External GPS device required. The phone's GPS is not supported — accurate timing needs a high-frequency, low-latency receiver.
WHAT'S FREE vs PRO
Free: connect RaceBuddy ONE, full lap timing, full drag timing (0-100, 1/4 mile, 60-foot, etc.), session history, VBO export, 1080p landscape video overlay export.
PRO unlocks: connect any third-party GPS device, Power & Torque measurement, DIFF time, Compare Runs, Compare Laps, custom branding, custom overlay layouts, 2K and 4K export, portrait orientation, Picture-in-Picture, front-camera dual recording, custom track creation, premium support.
PRO is available Monthly, Yearly (with 7-day free trial), or as a one-time Lifetime purchase.
PERFECT FOR
Track day enthusiasts
Autocross and time attack drivers
Drag strip racers
Performance tuners and dyno operators
Driving instructors and students
Motorcycle riders
Disclaimer: For closed-course and track use only. Always prioritize safety. Not intended for street racing or high-risk driving. Drive responsibly and obey all traffic laws.
RaceBuddy uses Apple's standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/