Trakio

laps timer for your track days

Only for iPhone

Free · Designed for iPhone. Not verified for macOS.

iPhone

Lap timing accuracy has been improved to better handle unstable GPS, give it a try ! Missing your favorite track? Send a request and I’ll add more circuits on demand. trakio — GPS Lap Timer for Track Days trakio is a focused lap timing app built for drivers who want clean data and zero distraction on track day. Open the app, select your circuit, and drive — trakio handles the rest. Pre-Session Checklist Before you head out, trakio confirms you're ready: GPS signal strength, battery level, and start/finish line configuration. No surprises on your out lap. Auto Circuit Detection trakio uses your location to automatically identify your nearest circuit and pre-select it for you. Check the weather conditions and wind at the track, then name your session and go. GPS Lap Timing Laps are timed automatically using your iPhone's GPS as you cross the start/finish line. Every lap is recorded with millisecond precision — no buttons to press while driving. Session Analytics After each session, dive into your data: - Best lap time - Top speed - Lap consistency score - Theoretical best lap (your best sectors combined) - Lap delta trend — see if you were improving or fading - Full lap-by-lap breakdown with gap to your best GPS Trace on Satellite Map Each session shows your smoothed GPS line overlaid on a satellite map of the circuit, with start/finish and sector lines marked. Session History Your complete session history is stored on-device. Search and filter by all sessions, recent, or your best runs. Rename sessions, log your car, add notes, and track your progress across every visit to every circuit. Share Your Results Share your session highlights as an Instagram Story — choose a template, add a background photo, and post your best lap straight from the app. Designed for the Track - Dark mode for early morning sessions - Available in English and Japanese - All data stored locally on your device — no account required

Ratings & Reviews

  • This app has not received enough ratings or reviews to display an overview.

improve timing, and laps line display. add error message when bad gps.

Version 1.2.1

The developer, kevin timsiline, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • User Content

Privacy practices may vary based, for example, on the features you use or your age. Learn More

Accessibility

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Information

Size
  • 52.6 MB
Category
  • Sports
Compatibility
Requires iOS 15.1 or later.
  • iPhone
    Requires iOS 15.1 or later.
  • iPod touch
    Requires iOS 15.1 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
Languages
  • English
Age Rating
4+
Provider
kevin timsiline
  • kevin timsiline has identified itself as a trader for this app and confirmed that this product or service complies with European Union law.
  • Address
    〒0481542
    Hokkaido niseko kondo 396-8
    Japan
  • Phone Number
    +81 8026809481
  • Email
    kev.tim@protonmail.com
Copyright
  • © 2026 Kevin.Tim
  • Privacy Policy

    • More by kevin timsiline

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