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Last updated on: 2026-06-10
Android Apps > Entertainment > Open Lap
Open Lap icon

Open Lap

2.6.0
Thomas Kemmer
4.36
184 reviews
10,000+
Downloads
Free

Slot Car Race Management App for Carrera® Digital 124/132

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About Open Lap

Open Lap is an entertainment app developed by Thomas Kemmer.

Download Statistics

Open Lap has been downloaded 27 thousand times. In the last 30 days, the app was downloaded 120 times.

User Ratings

Open Lap is rated 4.36 out of 5 stars. The rating is based on 180 ratings.

App Information

Open Lap is FREE to download. The APK download size is 5.39 MB. The latest version available is 2.6.0. The last update was on March 24, 2026.

Technical Requirements

Open Lap requires Android 4.4+ or higher. The app has a content rating of Everyone. The app has been available on Google Play June 2016.

Description
Open Lap is a simple, no-nonsense slot car race management app for Carrera® DIGITAL 124/132 systems.

In a nutshell, Open Lap lets you

- connect your mobile device via Bluetooth using Carrera AppConnect®.
- take it easy during free practice, go for fastest lap in qualifying, or compete in lap or time based race sessions.
- get informed about important events, such as fastest laps or low fuel conditions, by personalized voice messages.
- adjust vehicle speed, brake force and fuel tank size for each car individually.
- measure up to three intermediate or sector times (S1, S2, S3) using Carrera® Check Lane or compatible equipment.
- send out the pace car in case of emergency, or temporarily disable lap counting during a "yellow flag" phase.

Please note that it is necessary to enable location services on your device to connect to Carrera AppConnect® via Bluetooth on Android 11 or lower. Also some features, such as the start light and pace car buttons, require Carrera® Control Unit firmware version 3.31 or higher. Carrera® Check Lane support requires at least firmware version 3.36.

Open Lap is Open Source and is released under the Apache License 2.0.

Carrera® and Carrera AppConnect® are registered trademarks of Carrera Toys GmbH.

Open Lap is not an official Carrera® product, and is not affiliated with or endorsed by Carrera Toys GmbH.

Recent changes:
Please see the change log for details.
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More data about Open Lap

Price Free to download
Total downloads 27 thousand
Recent downloads 120
Rating 4.36 based on 180 ratings
Ranking Not ranked
Version 2.6.0
APK size 5.39 MB
Number of libraries 5
Designed for Android 4.4+
Suitable for Everyone
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Open Lap compared with similar apps

Common keywords of similar apps

Open Appconnect Management Digital Bluetooth Fuel Check Lane Pace Firmware Version Toys Gmbh Carrera Lap Car Race Slot App Connect Device Fastest

Keywords missing from this app

Data Time Track Gps Laps Live Timing Video Features Timer Times Analysis Pro Session Nascar Smartrace Support Personal Results Tracks Record Share Cars Races Speed Telemetry Racechrono Recent Information Profile Mode Mylaps Racing Drivers Driver Save Real Free Sector Motorsports Average

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Google Play Rating history and histogram

Downloads over time

Open Lap has been downloaded 27 thousand times. Over the past 30 days, it has been downloaded 120 times.

Changelog of Open Lap

Show changelog

Developer information for Thomas Kemmer

Thomas Kemmer

apps.tkem@gmail.com

Website

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Comments on Open Lap for Android

★★★★★ Amanda Therrien · Jun 11, 2017
Much better than the Careers app. Voice notifications are great, and you can fit all drivers in side screen. This makes it great to miracast on a laptop or tv screen
★★★★★ Martin Šantak · Feb 28, 2020
The application is perfect and simple, very robust and does not subcome to crashes, does not have bugs etc. Can you please install a sound following the LED countdown, for a race start timer? Best regards, M.
★★★★★ Rex Cadral · Feb 17, 2021
Really simple to use, immediately unlocked a bunch of play for my Carrera starter set. Would definitely recommend for anyone who's "trying out" Carrera slot cars. It showed me that I am interested in this hobby! Thank you for developing this! For the developer - Is there a way you could support multiple ghost cars? Currently, the lap counter counts both of my ghosts as the same car, so they double up on laps, and they halve my best lap times! I love a challenge, but it'd be nice if they didn't cheat ;)
★☆☆☆☆ Emma De St Croix · Jan 1, 2021
Game won't load, and it should have 20 drivers or more and custom tracks
★★☆☆☆ Carl Conliffe · Feb 7, 2020
When selecting a race in order to change any of the data like driver or race laps. The screen get unstable and flickers up and down. There seems to be no way around this. Wonder if anybody else has this problem?
★☆☆☆☆ Bernhard Kusilek · Apr 1, 2018
Won't connect to Bluetooth, tried the Carrera racing app and it connects. A pity though I was looking forward to using it.

Google Play Rankings for Open Lap

This app is not ranked

Technologies used by Open Lap

Open Lap is requesting 10 permissions and is using 5 libraries.
Show details
SmartRace for Carrera Digital icon SmartRace for Carrera Digital
SmartRace Connect icon SmartRace Connect
Slot Car Trainer Lite icon Slot Car Trainer Lite
Slot Car Trainer Pro icon Slot Car Trainer Pro
LapTrophy - Track Lap Timer icon LapTrophy - Track Lap Timer
LapMonitor icon LapMonitor
VRacer GPS Track Day Lap Timer icon VRacer GPS Track Day Lap Timer
LITPro - GPS Lap Timer icon LITPro - GPS Lap Timer

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