Harry's LapTimer Petrolhead

🇺🇸 United States
Harald Schlangmann  | 
36
ASO score
Text
33/100
Reviews
60/100
Graphic
40/100
Other
0/100
rating
App Rating
4.3
rating
Votes
24.13K
rating
App Age
11y 9m
rating
Last Update
May 21, 2025
rating
iAP
$8.99 - 8.99

Compare with Category Top Apps

Metrics
Current App
Category Top Average
Difference
Installs
15.8K
103.6M
-100%
Rating
4.19
4.41
-5%
Number of Ratings (Voted)
12.2K
231M
-100%
App Age
11y 9m
7y 1m
+66%
Price
$20
$0
In-app Purchases Price
$10
$65
-85 %
Update Frequency
232d
68d
+239%
Title Length
27
24
+13%
Short Description Length
82
63
+30%
Description Length
3 303
2 410
+37%
Number of Screenshots
704
1580
-55 %
Has Video?
No
0% has videos
Size
0MB
0MB

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Downloads

Downloads Graph
Downloads icon
Total
15.8K
Last month icon
Last month
50

Text ASO

Title (
Characters: 27 of 50
)
Harry's LapTimer Petrolhead
Short Description (
Characters: 82 of 80
)
Harry's LapTimer is the advanced tool for car enthusiast and track day visits.
Description (
Characters: 3303 of 4000
)
Harry's LapTimer is the advanced tool for car enthusiast. It records all types of sensor data provided by your smartphone (or external sensors), combines them, and makes them available to optimize your drive. Over time, you will get insights on your car and in your driving, not known before. LapTimer offers more than 800 predefined racing tracks world wide. With its assistants, it is extremely easy to setup - just click your track and drive. It fully automates your lap timing using GPS, and presents the results to all kinds of media. You are not limited to track driving. For example, you may define your home and working locations as a 'track', collect statistics on different ways chosen, and analyze / optimize the time used every day. Want to show your drive to your friends? Recorded data can be analyzed using purpose designed views, making it easy to analyze and improve your driving performance. This includes several export formats including Google Earth. Using online racing, you can use LapTimer in competition. LapTimer offers a Hall of Fame, allows watching you and your friends on track - all in real time. Compare your sector times, braking / acceleration points, and learn from each other. You can start with your plain smartphone in the beginning and add external GPS and OBD II sensors later, step by step, and as you need it. Please note that functionality depends on your device, the LapTimer edition chosen, and sometimes even external sensors added (like OBD II). Please visit our web page to get the full story. All edition can be upgraded later. There are quite expensive stand alone solutions for track days available. Be smart and own the leading edge tool simply by using your Android smartphone. Besides the professional area, there is no known solution that offers more functionality than LapTimer does - across the market. As our ambition is to offer the best tool, LapTimer is enhanced continuously. Please visit http://www.gps-laptimer.de for detailed information on versions, FAQs / documentation, in depth technology background information, online racing, and supported device configurations. Join our user community on http://www.gps-laptimer-forum.de to be involved in future development - all with first class support. Please check http://www.gps-laptimer.de/Compatibility_Android.html for compatibility information and guidance on external sensors. This is the Petrolhead Edition of Harry's LapTimer. The main differences compared to Rookie Edition are video recording in parallel to data recordings as well as full on device video overlaying. In addition, LapTimer Petrolhead features advanced analytics and online functions. Important: As a power app, LapTimer is quite demanding in terms of main memory and processing power. The Geekbench benchmark shows a good comparison of current devices and their processing performance. My tests using LapTimer v18 show you need a device scoring 1200 in the MultiCore benchmark to have fun. This means a device like Samsung's S III is kind of the lower end. Especially when recording and overlaying video, go as far up as possible. In case you have purchased LapTimer Rookie already, please check the Add-ons view in your Rookie app for an InApp upgrade from Rookie to Petrolhead.}
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Rating & Reviews

Reviews Overview
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Rating
4.3
24 128 voters

Some Latest Reviews

Tim Nygaard
08 Jun, 2025
2
had a bad day at AMP with this. didn't start properly when crossing finish line. didn't want to film and do data. it needs nashville superspeedway road course on it - they're opening up again. Another bad day at Nashville Superspeedway. No automatic start. No films. Sad.
Fernando Augusto
12 Aug, 2023
2
Até pouco tempo permitia utilizar a GoPro, porém agora fala que exige comprar outra versão. Perdendo funcionalidades com o tempo. Não recomendo.
Brian Skelly
13 Oct, 2020
4
Great app, but crashes somewhat frequently. Update: The app seems to have gotten more stable, which is great. Unfortunately under Android 11 it's not seeing GPS, which is a big problem. Update 2: looks like it was a Google problem because an Android patch fixed it.
Mic Sub
03 Oct, 2020
5
Super logiciel. Parfait pour, mais pas limité aux têtes de piston fondus de Track days. Beau travail, Merci ! Great stuff. Perfect for, but not limited to, track day freaks and geeks. Great job, thanks !
Ciobirca Alexandru-Lucian
28 Sep, 2020
1
Crash a lot on Android 10 and also can not make back up and export vbo's files. Pretty dissapointed about the app, I consider moving to Race Chrono due to better user experience without bugs
David Trinder
05 Sep, 2020
1
Hopeless! I have a Samsung S10+. Video will not sync with laps and that is just the start of the issues I have had with this rubbish. Honestly, get RaceChrono. You get more functionality for less and it works!
FX Gameplay
18 Aug, 2020
4
Tiene algunos errores, mi pregunta es como actualizar la versión Grand prix? Esta última me aparece con precio completo no la diferencia de precio ente una y otra 😤
Rick O'Shea
13 Jul, 2020
4
Have used Petrolhead version for a few years now. Works great! Have it connected with OBDLink LX device and GoPro Hero 5 Black. Anxiously waiting for v24 so I can export data again from my Samsung (Android 10).
Mark Elliott
09 Jul, 2020
4
great app but crashes in Android 10. Still crashing on my pixel 4 as of July 2020

Other

Additional Information
Rating:
4.25
Voted: 24.13K
Google Play Link:
Price: 23.26 $
Website:
Email:
Privacy Policy:
Categories: Sports
Size: -
iAP: 8.99 - 8.99 $
Installs: 15.78K
App Age: 11 years 9 months
Release Date: Mar 28, 2014
Last Update: May 21, 2025
Version: 25.0.2
Version history
25.0.2
May 21, 2025
- fixed: crash when opening Lap Details and scrolling to bottom
25.0.1
May 14, 2025
- reworked RaceBox Mini, Mini S, Micro integration<br>- support for Columbus P-70 RTK GNSS<br>- centimeter accuracy using NTRIP casters<br>- new translations Japanese, Spanish, Italian, French, Chinese<br>- completely reworked BT LE communication<br>- fixed screen flicker for tiled screens<br>- toolchain update latest Android version<br>- fixes for deep links, sensor configuration, NMEA parser, KPIndex, data history <br>- hundreds of smaller improvements and fixes
Version history