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Turn a smartphone into a data acquisition system | The apps you need | Articles

Turn a smartphone into a data acquisition system | The apps you need | Articles

We preach the gospel of data collection and analysis pretty often around here. We’ve never lived in an era where data on your laps–whether you’re a pointy-end competitor or simply a casual track driver looking to improve your skills–is easier to collect, log and analyze.

But even the simplest data system is still a dedicated system. It’s another piece of hardware …

Harry’s Laptimer

gps-laptimer.de
$4.99-$27.99
iOS and Android

Harry’s is one of the most popular phone-based data apps for good reason: It’s easy to use, pretty intuitive and offers a full suite of features even in the lowest-cost option. 

It also supports Bluetooth GPS and OBD sensors, meaning you can overlay OBD data onto your graphs. The $22.99 (Android)/$27.99 (iOS) Grand Prix edition supports high-end GPS receivers, along with multiple camera inputs from GoPro and Sony action cameras. The $16.99 (Android)/$19.99 (iOS) Petrolhead Edition and the Grand Prix support video from the onboard camera, meaning you can produce data-overlaid lap videos with a single device. 

Favorite Feature: The track view overlays the important info, like lateral g, right on the track map for a quick digest. It’s great for when you don’t have much time to drill deeply into every corner. Honestly, it’s a display we wish more data packages would incorporate because it captures so much info in a single glance and is highly tunable to get the info you desire. 

Harry’s also features helpful charts with more data, including yaw rate, allowing you to analyze your corner-entry and -exit smoothness and aggression.

TrackAddict

racerender.com
Free-$8.99
iOS and Android

The folks at HP Tuners offer TrackAddict, a powerful data tool with a few other handy features: When coupled with an OBD dongle, it can also do code scanning and resets, while data files can be output to HP Tuners’ powerful RaceRender data analysis suite for a more in-depth look at your data. Use is a bit more complex than other apps, but we quickly got used to it and never had to do anything crazy like actually read the manual.

The paid version also features live telemetry streaming via the RaceRender community, making it easy to keep track of your…

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