GPS Lap Timer

• "GPS Lap Timer" is a lap timer app for racing circuits that utilizes the iPhone's GPS function.
• Easily and accurately measure lap times and sector times using only your iPhone. No external GPS receiver is required.
• The accuracy of a GPS lap timer is not determined solely by the GPS update frequency. This app achieves highly accurate lap time measurement through its unique measurement logic.
• Approximately 10,000 measured lap times are saved and can be viewed and shared.
• Enjoy a fulfilling racing life with this app!

(How to use)
Please see "https://gpslaptimer.blogspot.com/2026/08/gps-lap-timer-free-ios-app.html”.

(Measurable circuits) Planned to be added. Please let us know if you have any requests. Please also report any bugs or issues.

(Australia)
Sydney Motorsport Park (Brabham, Gardner GP, Druitt North)
Sydney Motorsport Park Amaroo South

(France)
Circuit Paul Ricard

 (Gernany)
Nürburgring Nordschleife
Nürburgring Nordschleife (BTG)

 (Japan)
Please see “https://gpslaptimer.blogspot.com/2026/08/list-of-japanese-circuits.html”.

(Malaysia)
Sepang International Circuit

 (Taiwan)
Lihpao G2 Circuit

 (Thailand)
Chang International Circuit

(United Kingdom)
Oulton Park Circuit
Silverstone International Circuit
Silverstone Grand Prix Circuit
Silverstone Stowe Circuit
Silverstone National Circuit
Donington Park Circuit
Brands Hatch GP Circuit
Brands Hatch Indy Circuit

 (United States)
Blackhawk Farms Raceway
BRP Kart CCW1
BRP Kart CW1
BRP Race CCW1
BRP Race CW1
BRP Race CCW2
BRP Race CW2
BRP The Circuit CCW (Buttonwillow Raceway Park)
BRP The Circuit CW (Buttonwillow Raceway Park)
Laguna Seca
Road America
Sebring Raceway GP Road Course
Sonoma Raceway
Summit Point Motorsports Park (Main)
Summit Point (Jefferson Circuit CCW)
Summit Point (Shenandoah Circuit CCW)
VIR Grand∙Full Course
VIR North Course
VIR South Course
VIR Patriot Course
Waterford Hills Road Racing

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

Terms of Use:
This application is provided under the Apple Standard End User License Agreement (EULA).
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/