Comparison

Harry's LapTimer Petrolhead vs Chrono Pulse

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Harry's LapTimer Petrolhead

This app is an advanced tool for car enthusiasts to record and analyze sensor data for optimizing driving performance. It offers automated lap timing, video recording with data overlays, and real-time online racing competition features.

Highlights
  • Records sensor data (GPS, OBD II)
  • Automated lap timing with 1300+ predefined tracks
  • In-car video recording with data overlays
  • Real-time online racing and competition
  • Driving performance analysis and optimization
  • Step-by-step sensor integration
Features
Currently charting
Read full description

Harry's LapTimer is the advanced tool for car enthusiast. It records all types of sensor data provided by your iPhone/iPod/iPad (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 1300 predefined 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 only. 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? LapTimer Petrolhead and above generates beautiful in car video recordings with all kinds of data overlaid, ready to be presented - e.g. on youtube. Even without video, recorded data can be analyzed using purpose designed views, making it easy to analyze and improve your driving performance. 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 iPhone in the beginning and add external GPS and OBD II sensors later, step by step, and as you need it. LapTimer itself comes in three different editions: LapTimer Rookie is the entry level with all you need for lap timing; LapTimer Petrolhead is the advanced version including lots of video features, and LapTimer Grand Prix is the edition for professionals including Multi Cam recording, Health Kit integration, and advanced sensor and analytics functionality. 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, all editions come with native iPhone and iPad support. There are quite expensive stand alone solutions for track days available. Be smart and own the leading edge tool simply by using your iPhone and LapTimer. 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.

About

Chrono Pulse

This app connects motorsport enthusiasts and event organizers. Participants can manage profiles, register for events, and get updates. Organizers can streamline results management and event promotion.

Highlights
  • Participant profile management
  • Event registration
  • Event updates
  • Results management
  • Event promotion
  • Seamless sharing of event details
Features
Read full description

Introducing ChronoPulse by Blue Bytes, your all-in-one solution for motorsport enthusiasts and event be organizers. With ChronoPulse, we're bringing the excitement of motorsport to your fingertips. Participants can now easily create and manage their profiles, register for events, and stay updated on the latest happenings in the world of motorsport. For event organizers, ChronoPulse is your go-to tool for seamless results management and event promotion. Our app streamlines the process of sharing event details and results, making it easier than ever to showcase the achievements of your participants. ChronoPulse is your gateway to a world where motorsport meets modern technology, ensuring that every race, rally, or competition is a thrilling and well-organized experience."

Screenshots

Harry's LapTimer Petrolhead4 screens
Chrono Pulse4 screens

Verdict

The call

The clearest difference is price: Chrono Pulse at Free against Harry's LapTimer Petrolhead's $19.99. Chrono Pulse also leads on in-app purchases (none vs 1) and update cadence (every 4 weeks vs every 2 months). Harry's LapTimer Petrolhead's advantage is chart position (#122 vs unranked) and device support (4 vs 2). On ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Chrono Pulse is free to download; Harry's LapTimer Petrolhead costs $19.99 up front. Harry's LapTimer Petrolhead sells 1 one-off in-app purchase. Chrono Pulse asks for nothing beyond the download.

UpkeepUpdate frequency

Harry's LapTimer Petrolhead ships an update every 2 months, Chrono Pulse every 4 weeks. The most recent releases landed on October 19, 2026 and October 8, 2026 respectively.

Scorecard8 real differences · 3 level
Harry's LapTimer Petrolhead versus Chrono Pulse: the parameters behind the verdict, then further details
ParameterHarry's LapTimer PetrolheadChrono Pulse
Price$19.99Free — better
Rating3.8 (152 ratings) — better—
Positive reviews77.0% of reviews85.7% of reviews — better
Number of ratings152 — better—
Update frequencyEvery 2 monthsEvery 4 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
Best chart rank#122 — better—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPod
Requires iOS12.0 — better15.1
Further details — not scored
Size80 MB50 MB
Age rating4+4+
DeveloperHarald SchlangmannBLUE BYTES DATA LABS PRIVATE LIMITED

Customer experience

Harry's LapTimer Petrolhead

All ratings152 ratings
Positive69.7%
Neutral5.9%
Negative24.3%
Written reviews174 reviews
Positive77.0%
Neutral1.7%
Negative21.3%

Chrono Pulse

Written reviews7 reviews
Positive85.7%
Neutral0.0%
Negative14.3%

Bugs and requests

Harry's LapTimer Petrolhead

Reported bugs

14 issues
  • App crashes when overlaying videos
  • Video playback fails in Photos app until phone reboot
  • Lap data not recording at certain tracks
  • GPS location not recognized at specific venues
  • Timer fails to start or record laps inconsistently
Show 9 more
  • Screen freezes during lap analysis
  • Video recording stops mid-session
  • App locks up entire phone requiring hard restart
  • Inaccurate speed and elevation data
  • Inability to delete laps without app hanging
  • Track loading failures and truncated track names
  • Overlay settings reset after each use
  • Incompatibility with newer iOS versions
  • External GPS and OBD2 connection drops

Requested features

10 requests
  • Ability to pause timer between sessions
  • Automatic video overlay for all laps without manual processing
  • Better track variant identification in database
  • Improved nearby track suggestions based on location
  • Dark mode option
Show 5 more
  • Call blocking during track sessions
  • More Canadian track coverage
  • Custom vehicle profile support for newer models
  • Simplified user interface redesign
  • Better export format compatibility for Mac users

Chrono Pulse

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Harry's LapTimer Petrolhead

One-time1
  • Grand Prix Upgrade$9.99
None

Chrono Pulse

No in-app purchases

Questions

Is Harry's LapTimer Petrolhead free?
Harry's LapTimer Petrolhead costs $19.99, and also offers in-app purchases.
Is Chrono Pulse free?
Chrono Pulse is free to download, with no in-app purchases.
Do Harry's LapTimer Petrolhead or Chrono Pulse have ads?
Neither Harry's LapTimer Petrolhead nor Chrono Pulse shows ads.
Which is updated more often, Harry's LapTimer Petrolhead or Chrono Pulse?
Harry's LapTimer Petrolhead ships an update every 2 months, and Chrono Pulse every 4 weeks. Most recently, Harry's LapTimer Petrolhead was updated on October 19, 2026 and Chrono Pulse on October 8, 2026.

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