Race Ninja vs RaceChrono
RaceChrono shows live times on your phone as you drive. Race Ninja analyses your camera footage after the session, with sectors, coaching and verified leaderboards. Different tools for different moments in your race weekend.
RaceChrono is a phone app. Visit their site
Feature comparison
| Feature | RaceChrono | Race Ninja |
|---|---|---|
| GPS source | Phone GPS (~1 fix/sec) or optional Bluetooth puck (10-25Hz) | GoPro/DJI camera GPS (10Hz), built into the footage |
| Live timing on track | Yes. Your phone shows lap times as you drive | No. Analysis arrives after the session |
| Sector analysis | Manual sector setup with basic splits | Automatic sector detection and lap-by-lap comparison |
| AI coaching | Not included | Corner-by-corner coaching tied to your video |
| Video integration | Separate phone camera with manual sync | GPS and video are the same file, always in sync |
| Verified leaderboards | Community shared results | Every time backed by real onboard footage |
| Hardware on the kart | Phone mount required, GPS puck recommended | Camera you already mount for filming |
| Platform | Android and iOS app | Browser on any device |
The honest verdict
When RaceChrono works better
- You need live lap times on a screen while you drive.
- Android is your platform and you want a timing app right now.
- You already own a 10Hz Bluetooth GPS puck and prefer the phone workflow.
- Live delta timing mid-corner matters more to you than post-session coaching.
When Race Ninja is the better choice
- You already film every session and want more from that footage.
- You'd rather not mount a phone on a race kart or track car.
- You want AI coaching that names specific corners and links to video.
- Verified leaderboards from real footage matter more than self-reported times.
RaceChrono vs Race Ninja: common questions
Is RaceChrono or Race Ninja better for karting?
Different tools for different moments. RaceChrono is a live timer: your phone shows lap times as you drive. Race Ninja is a post-session platform: upload your camera footage and get sectors, coaching, racing lines and overlays back. Most drivers who switch aren't unhappy with RaceChrono. They realised they want the video debrief more than the live number.
Can I use both RaceChrono and Race Ninja?
Yes. Some drivers run RaceChrono on a phone for a quick live split, then upload the GoPro footage to Race Ninja afterwards for the full analysis. You'd carry two devices, but each does its own job.
Why does GPS sampling rate matter for lap timing?
A phone fixes your position about once a second. At kart speeds that's a 25-metre gap between fixes where the app guesses where you were. A GoPro logs ten times a second, cutting that gap to roughly 2.5 metres. Sector and lap precision rides on how often the GPS samples.
Does Race Ninja do live timing like RaceChrono?
No. Race Ninja processes footage after the session. You don't see times on a screen while you drive. What you get instead is video attached to every lap, sector analysis, coaching notes and verified leaderboards.