# ROUSH Lap Timer

> High-precision tool for recording and analyzing vehicle track performance. (iPhone/iPad app by Harald Schlangmann.)

- Source: https://appshunter.io/ios/app/roush-lap-timer/id1036143036 (this page in markdown: same URL + `.md`)
- Developer: [Harald Schlangmann](https://appshunter.io/developer/307688601)
- Category: Sports, Navigation
- Price: $27.99
- Rating: 1.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 71 MB
- Languages: American English, French (France), German (Germany), Italian, Japanese, Chinese (Simplified, China), European Spanish, Chinese (Traditional, Taiwan)
- Released: 2016-03-01
- Data updated: 2026-08-21
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/roush-lap-timer/id1036143036/reviews.md

## What is ROUSH Lap Timer?

The ROUSH LapTimer application, co-developed with the creator of Harry's LapTimer, let’s you push your vehicle to the limit while recording everything for later playback and evaluation.

This high-precision tool will improve your driving ability by letting you see where you can go faster on any track. ROUSH’s LapTimer generates beautiful in-car video recordings with an overlay of vehicle data, ready to be presented on YouTube or other social media sites. 

Even without video, recorded data from your track day can be analyzed using pre-set views, making it easy to analyze and improve your driving performance. In case heart rates were recorded using Heath Kit, this data can be overlaid to recordings too.

Using the ROUSH lap timer, you can change vehicle settings and accurately measure performance impact on your track times.

## Key features

- Record vehicle performance
- Analyze track data
- Generate in-car video with data overlays
- Measure performance impact
- Integrate with Health Kit data

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/roush-lap-timer/id1036143036/reviews.md

### 1/5 — Too many bugs!!!!

*2017-05-21*

Can't open the video!!!!!!!!

## Frequently asked questions about ROUSH Lap Timer

### What is ROUSH Lap Timer used for?

ROUSH Lap Timer is a high-precision tool designed to record and analyze your vehicle's performance during track days. It helps you identify areas for improvement and measure the impact of vehicle setting changes on your lap times.

### Does ROUSH Lap Timer have ads?

No, ROUSH Lap Timer does not contain advertisements. It is a paid application that offers an ad-free experience for users.

### What devices does ROUSH Lap Timer support?

ROUSH Lap Timer is available for iPhone, iPad, and iPod. It is designed to work across these Apple devices.

### How much does ROUSH Lap Timer cost?

ROUSH Lap Timer is a paid application priced at $27.99. This one-time purchase grants you access to all its features.

### Can ROUSH Lap Timer record video?

Yes, ROUSH Lap Timer can generate beautiful in-car video recordings. These videos include an overlay of vehicle data, making them suitable for sharing on platforms like YouTube.

### Can ROUSH Lap Timer integrate with health data?

Yes, ROUSH Lap Timer can integrate with Health Kit data. If you record heart rates using Health Kit, this data can be overlaid onto your video recordings for a more comprehensive analysis.

### How often is ROUSH Lap Timer updated?

The latest version of ROUSH Lap Timer is 25.0.0, last updated on May 6, 2025. The app is actively maintained, with updates ensuring continued functionality and potential improvements.

### What is the age rating for ROUSH Lap Timer?

ROUSH Lap Timer has an age rating of 4+. This indicates it is suitable for users of all ages, with no age-restricted content.

## Version history (last 5 releases)

### 25.1.0 — 2026-06-24

User Interface
- fixed dragging POIs in Map
- added option to scroll buttons in case available buttons do not fit screen width
- fixed misplaced sector indicator in Timer View

Sensor support
- added support for Haze GNSS sensors
- added OBD support for Hybrid battery SoC plus tank gadget allowing to toggle between tank and battery level
- added heading support for NMEA sensors w/o RMC (like Columbus)
- fixed a scripting error in RaceboxMini sensor implementation
- made hundreds seconds handling for Racebox Mini more robust
- fixed a bug in CSV headers

### 25.0.0 — 2025-05-06

- reimplemented support for RaceBox Mini, Mini S and added RaceBox Micro
- added support for RTK GNSS sensors
- added support for Columbus P-70 Ultra sensor
- change accuracy precision to centimeters / inches
- added support for NetRTK / NTRIP casters
- completely new and full localizations for Japanese, Chinese (traditional, simplified), Spanisch, French, Italian
- made NMEA parser more resilient to changing sentence pattern
- updated list of iPad/iPhone models (M4 iPad, iPhone 16)
- fixed a bug in day / night weather icons
- fixed a problem that positioned forward / backward buttons wrongly in Lap Details
- fixed order of parameters in Sensor Configuration dialogs 
- improved BTLE write operations
- improved NMEA sentence displays
- dozens of minor fixes, improvements, features

### 24.9.1 — 2024-06-30

- reworked routines checking available storage
- use expert setting "Low Memory" to remove all storage checkings

### 24.9.0 — 2024-05-05

- fixed a bug in gear calculation
- replaced deprecated acceleration framework
- added support for Vgate vLinker FD+/MC+/BM+ OBD adapters
- fixed and improved VBO import
- rechecked Racebox integration to deliver high update rates

### 24.8.2 — 2023-06-29

- Added support for Racebox Mini S
- Added an Expert Setting to adjust the number of minutes recent fixes are displayed in Map View

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## More apps by Harald Schlangmann

- [Harry's LapTimer Rookie](https://appshunter.io/ios/app/harrys-laptimer-rookie/id307688598)
- [Harry's Sailor](https://appshunter.io/ios/app/harrys-sailor/id319244049)
- [Harry's GPS/OBD Buddy](https://appshunter.io/ios/app/harrys-gpsobd-buddy/id320423931)
- [Harry's LapTimer Petrolhead](https://appshunter.io/ios/app/harrys-laptimer-petrolhead/id338257907)
- [Harry's LapTimer Grand Prix](https://appshunter.io/ios/app/harrys-laptimer-grand-prix/id363556704)
- [Harry's Camper](https://appshunter.io/ios/app/harrys-camper/id952167017)

All apps by Harald Schlangmann: https://appshunter.io/developer/307688601

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-21.*