Which external GPS should I buy?

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Here’s the list of external GPS receivers to be used with RaceChrono. While RaceChrono supports many more receivers, these are the ones we recommend on buying based on our extensive testing. The devices are in order of most preferable first.

On iPhone and iPad:

  1. RaceBox Mini / Mini S: Very reliable and accurate and updates at 25 Hz. Also has a built-in IMU sensor.
  2. Dragy Pro, Dragy DRG70 and Dragy DRG70-C: Very reliable and accurate and updates as 25 Hz. The Pro’s IMU sensor is not yet supported by RaceChrono.

Notice: Popular Bluetooth GPS receivers like Qstarz BT-Q818XT/X and similar will not work on iOS.

On Android:

  1. RaceBox Mini / Mini S: Very reliable and accurate and updates at 25 Hz. Also has a built-in IMU sensor.
  2. Dragy Pro, Dragy DRG70 and Dragy DRG70-C: Very reliable and accurate and updates as 25 Hz. The Pro’s IMU sensor is not yet supported by RaceChrono.