# Harry's LapTimer Petrolhead

> Harry's LapTimer is the advanced tool for car enthusiast and track day visits.

Canonical page: [https://chrome-stats.com/d/com.harrys.laptimerpro](https://chrome-stats.com/d/com.harrys.laptimerpro)

## Overview

- **ID:** `com.harrys.laptimerpro`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Harald Schlangmann
- **Category:** SPORTS
- **Downloads:** 16,506
- **Rating:** 3.74 / 5 (332 ratings)
- **Version:** 25.1.0
- **Last updated:** 2026-06-28
- **First published:** 2014-03-28
- **Publisher country:** DE
- **Size:** 42 MB
- **Data as of:** 2026-09-20
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.harrys.laptimerpro)
- **Website:** [http://www.gps-laptimer.de](http://www.gps-laptimer.de/)
- **Privacy policy:** [http://www.gps-laptimer.de/Privacy\_Policy.html](http://www.gps-laptimer.de/Privacy_Policy.html)

## Description

Harry's LapTimer Petrolhead is the ultimate tool for car enthusiasts and track day visitors looking to enhance their driving experience. This advanced Chrome extension records comprehensive sensor data from your smartphone or external devices, automates lap timing via GPS, and supports over 800 predefined racing tracks globally. Its powerful analytics help you gain unprecedented insights into your driving style and vehicle performance to optimize every lap.

Featuring parallel video recording with on-device video overlaying, Harry's LapTimer Petrolhead also allows online racing to compete with friends in real time, compare sector times, and improve through detailed data analysis. It supports various export options including Google Earth and is designed to grow with you—from smartphone-only use to integrating external GPS and OBD II sensors. With a continuous focus on innovation and user support, Harry's LapTimer Petrolhead offers a professional-grade solution accessible directly from your Android device.

## Rankings

- #468,182 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_COARSE_LOCATION`
- `android.permission.ACCESS_FINE_LOCATION`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.ACCESS_WIFI_STATE`
- `android.permission.BLUETOOTH`
- `android.permission.BLUETOOTH_ADMIN`
- `android.permission.BLUETOOTH_CONNECT`
- `android.permission.BLUETOOTH_SCAN`
- `android.permission.CAMERA`
- `android.permission.HIGH_SAMPLING_RATE_SENSORS`
- `android.permission.INTERNET`
- `android.permission.READ_EXTERNAL_STORAGE`
- `android.permission.READ_PHONE_STATE`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.RECORD_AUDIO`
- `android.permission.WAKE_LOCK`
- `android.permission.WRITE_EXTERNAL_STORAGE`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.google.android.c2dm.permission.RECEIVE`
- `com.google.android.gallery3d.permission.GALLERY_PROVIDER`
- `com.google.android.providers.gsf.permission.READ_GSERVICES`
- `com.harrys.laptimerpro.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.harrys.laptimerpro.permission.MAPS_RECEIVE`

## Review summary

Harry's LapTimer Petrolhead is praised for accurate lap analysis, good customer support, and compatibility with external devices, making it valuable for serious track users. However, multiple users report frequent crashes mainly on Android 10 and some Samsung phones, GPS and video sync problems on certain Android versions, difficulties in backing up/exporting data, and challenges connecting GoPro cameras. Despite these issues, many find it worth the investment and recommend it for its features and continuous improvements.

### Pros

- Accurate lap timing and usable data for track days
- Good customer support and responsive developer
- Works well with external devices like OBDLink and GoPro cameras
- Easy to use and continuously evolving
- Worth the money for serious users

### Cons

- Frequent crashes, especially on Android 10 and some Samsung devices
- Compatibility issues with Android versions 10 and 11 regarding GPS and synchronization
- Difficulty syncing video footage with laps
- Limited backup and export functionality, particularly for VBO files
- Poor or problematic integration with GoPro cameras, especially newer models

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.harrys.laptimerpro)