iPhone with Harry’s LapTimer


Rental Rate

  • $15 – 1 Day (Base Rate)
  • $2 per Additional Day

See our Rental Policy for more details.

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iPhone 4S or 5S (based on availability) loaded with Harry’s LapTimer Grand Prix , the worldwide #1 video and timing app for racers and track enthusiasts. More information on Harry’s LapTimer can be found here.

Of the iPhones, the iPhone4S has the best video support for LapTimer. This sounds strange as the 5, 5S, 6 etc. introduced great video features. However, many of the optimizations were not in favor of track day users moving fast around a circuit. Track videos from the latest generation iPhones will have more “jello effects” compared to the 4S.

If you prefer a iPhone 4S or 5S, please state your preference during checkout.  If available we will ship your preferred model, otherwise we will contact to determine if the alternative is acceptable.


  • No touch start/stop timing operation
  • Predictive lap timing with win/loss indication
  • Lap-to-lap data comparison and time gap analysis
  • Video recording and data overlay
  • MultiCam support for iOS devices, GoPro HERO, and Sony cams.

Additional information

Weight .5 lbs
Dimensions 4.75 × 2.5 × .5 in
Includes the following:

iPhone 4S with Harry's Lap Timer app
USB charging cable
Protective Case

Harry's LapTimer Documentation


Rental Period

1 Day, 2 Days, 3 Days, 4 Days, 5 Days, One Week, Two Weeks


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