If you want to use MX Buddy for lap timing or even more advanced analytics like line choice evaluation, then you need to select the right hardware. In the following list you will find all compatible GPS devices and their capabilities.
Device
Frequency
Accuracy
Features
Remarks
RaceBox Mini
25Hz 🔥
BEST
Lap Times
Segments
Line Choice
Live Timing
Starts *
Trainer Mode *
Needs iPhone for recording. Accuracy usually at ~0.02s and up to 10cm
XGPS160
10Hz
HIGH
Lap Times
Segments
Line Choice
Direct data download in the app. Accuracy usually at ~0.05s and <1m
Garmin Watch
1Hz
MED
Lap Times
Segments
Garmin Connect Access. Accuracy usually at ~0.3s and ~1-3m
Polar Watch
1Hz
MED
Lap Times
Segments
Polar Flow Access. Accuracy usually at ~0.3s and ~1-3m
Other Watches
1Hz
MED
Lap Times
Segments
Supported via file export / import. Accuracy usually at ~0.3s and ~1-3m
iPhone
1Hz
MED
Lap Times
Segments
Live Timing
Accuracy usually at ~0.3s and ~1-3m
Apple Watch
1Hz
LOW
Lap Times
Segments
Live Timing
Some models have very bad GPS accuracy which can lead to unrecognized laps and segments!
RaceBox Mini
Frequency
25Hz 🔥
Accuracy
BEST
Lap Times
Segments
Line Choice
Live Timing
Starts *
Trainer Mode *
Lap Times
Segments
Line Choice
Live Timing
Starts *
Trainer Mode *
Needs iPhone for recording. Accuracy usually at ~0.02s and up to 10cm
XGPS160
Frequency
10Hz
Accuracy
HIGH
Lap Times
Segments
Line Choice
Lap Times
Segments
Line Choice
Direct data download in the app. Accuracy usually at ~0.05s and <1m
Garmin Watch
Frequency
1Hz
Accuracy
MED
Lap Times
Segments
Lap Times
Segments
Garmin Connect Access. Accuracy usually at ~0.3s and ~1-3m
Polar Watch
Frequency
1Hz
Accuracy
MED
Lap Times
Segments
Lap Times
Segments
Polar Flow Access. Accuracy usually at ~0.3s and ~1-3m
Other Watches
Frequency
1Hz
Accuracy
MED
Lap Times
Segments
Lap Times
Segments
Supported via file export / import. Accuracy usually at ~0.3s and ~1-3m
iPhone
Frequency
1Hz
Accuracy
MED
Lap Times
Segments
Live Timing
Lap Times
Segments
Live Timing
Accuracy usually at ~0.3s and ~1-3m
Apple Watch
Frequency
1Hz
Accuracy
LOW
Lap Times
Segments
Live Timing
Lap Times
Segments
Live Timing
Some models have very bad GPS accuracy which can lead to unrecognized laps and segments!
* Race Starts and Trainer Mode will be available around May 2022
Example Data
Here you will find the results of a ride recorded simultaneously with a Garmin Instinct and the XGPS160 and evaluated with MX Buddy.