Kart Circuit Lap Timer app for iPhone and iPad

"Kart Circuit Lap Timer" is a lap timer app for kart circuits and small-sized circuits where karts can also be run using the GPS function of the iPhone.
You can easily measure lap times and sector times by putting your iPhone in your pocket.
10,000 laps of measured lap times are saved and can be viewed and shared.
If you cannot find the circuit you want to measure at, please also check "Racing Circuit Lap Timer” of series apps.

(Measurable circuits) Planned to be added in the future.
(Brazil)
Circuito Internacional Paladino
(Japan)
Circuit Akigase
City Kart
F.Dream Hiratsuka
Festika Circuit Mizunami
Formula Land Ra Hanno
Ishino Circuit
Nakai Inter Circuit
Nakayama Kart Way
Neo Speed Park
New Tokyo Circuit
Motegi North Short Course
Quick Hanyu
(Nederland)
Kartcentrum Lelystad
(Portugal)
Kartódromo Internacional do Algarve
(United Kingdom)
Daytona Milton Keynes
Fulbeck Kart Circuit
PF International Kart Circuit
(United States)
Adams Motorsports Park (Opt)
Atlanta Motorsports Park
Orlando Kart Center

(About holding and mounting the iPhone)
- Put the iPhone in your pocket with the app in stand-by mode.
- If you mount your iPhone in a position where you can see the screen (on the steering wheel of a kart, on the tank of a motorcycle, etc.), you can see your lap times while riding.

(iPhone settings)
- Turn on Location Services.
- Allow LOCATION ACCESS to LapTimer.
- Turn on Precise Location.

(How to use)
1) Tap the "Settings" button at the bottom center of the screen to open the settings window. Select the circuit and round direction you want to measure. You can also select the speed unit and reset the best lap time in the settings window.
2) Tap the "Start" button at the bottom right of the screen to enter stand-by mode, the timer section at the top of the screen will display "Measurement will start when crossing the finish line", and the button will change to “Cancel/Stand-by". GPS is working when the speedometer on the screen changes to numbers.
3) Put your iPhone in your pocket before driving. The following 4) and 5) can only be checked when the screen is visible while driving.
4) When you enter the course and pass the finish line at a speed of 10km/h / 6mph or more, the timer at the top of the screen will start running and measurement will start, and the "Cancel/Stand-by" button will change to the “Stop" button.
5) After that, the lap time will be updated every time you cross the finish line. The sector time is also updated each time.
6) When you are done driving, take the iPhone out of your pocket.
7) When you finish running and tap the "Stop" button, the measurement will end and return to stand-by mode, and the button will change to "Cancel/Stand-by".
8) Tap the "Cancel/Stand-by" button to exit stand-by mode and the button will change to “Start".
9) Tap the "Results" button at the bottom left of the screen when the button at the bottom right of the screen is "Start" or "Cancel/Stand-by" to display all saved results. Best/2nd/3rd lap times and top speeds are also easily visible. You can select the part you need and copy or share it.

Please see "App support” about followings.
(About screen display)
(About the measurement line)
(Note)

The developer assumes no responsibility for any accident, violation, loss or claims by third parties which may arise from the use of this app.