Comparison

Harry's LapTimer Grand Prix vs Trackside

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 Grand Prix

This app records and analyzes sensor data from your device to help you optimize driving performance. It offers automated lap timing, video recording with data overlays, and real-time online racing features. Track your progress on over 1300 predefined tracks or everyday routes.

Highlights
  • Sensor data recording
  • Automated lap timing
  • In-car video recording with data overlay
  • Real-time online racing and competition
  • Track and everyday route analysis
  • External sensor integration (GPS, OBD II)
Features
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

Trackside

Record and analyze driving performance with automatic lap timing and video telemetry. Compare laps, gain AI insights, and share your sessions with friends. Supports various external GPS devices and cameras for comprehensive data capture.

Highlights
  • Automatic lap timing and detection
  • Telemetry video recording and export
  • AI-driven driving insights
  • Comparison with YouTube reference videos
  • Friends-only leaderboards
  • Support for external GPS and cameras
  • Porsche direct connection
Features
Read full description

Get more from every lap with free, unlimited recording and automatic lap timing. Record in any car with your iPhone, analyze your driving, and create shareable telemetry videos. LAP TIMING • Automatic track detection, predicted lap times, and live delta • Create custom circuits and point-to-point courses for autocross and other runs • View live delta timing and control recording with Apple CarPlay ANALYSIS & AI • Compare laps, sectors, and corners, review inputs, and see your optimal lap • Compare reference videos from YouTube with synchronized playback and a live time delta • Get in-app AI insights or explore synced telemetry with the Trackside ChatGPT plugin FRIENDS & LEADERBOARDS • Compare stats and personal bests on friends-only leaderboards • Share full session telemetry with friends and compare laps CAMERAS & VIDEO • Record with your iPhone or control supported GoPro, DJI, and Insta360 cameras • Import footage directly from supported cameras • Sync onboard footage and export videos with telemetry overlays IMPORT, SYNC & EXPORT • Import VBOX, Porsche Track Precision, Garmin Catalyst, and other supported files • Sync sessions with iCloud and export VBOX-compatible files GPS & OBD COMPATIBILITY • RaceBox: Mini, Mini S, and Micro • Dragy: Pro, Lite, DRG70, DRG70-C, and DRG69 • OBD: OBDLink CX, Veepeak OBDCheck BLE/BLE+, Dragy OBD II, Vgate (IOS-Vlink), and OBDBLE PORSCHE DIRECT CONNECTION Trackside supports the same Porsche models as Track Precision. • 911: all 992 models; 991.2 (2017+); 991.1 GT3 / GT3 RS (2015+) • Cayman & Boxster: 982 / 718 (2017+); 981 Cayman GT4 (2015+) • Cayenne, Panamera, and Taycan: 2022+ Questions or feedback? Email trackside@californiamotorsports.co Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Harry's LapTimer Grand Prix4 screens
Trackside4 screens

Verdict

The call

The clearest difference is price: Trackside at Free against Harry's LapTimer Grand Prix's $27.99. Trackside also leads on rating (5.0 vs 4.0) and review sentiment (100% vs 59%). Harry's LapTimer Grand Prix's advantage is in-app purchases (none vs 2) and ratings volume (81 vs 4). On ads and monetization model 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

Trackside is free to download; Harry's LapTimer Grand Prix costs $27.99 up front. Trackside sells 2 in-app purchases, starting at $12.99 per month. Harry's LapTimer Grand Prix asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Trackside holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Harry's LapTimer Grand Prix has 81 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 59% of Harry's LapTimer Grand Prix's written reviews are positive against 100% of Trackside's.

UpkeepUpdate frequency

Harry's LapTimer Grand Prix ships an update every 2 months, Trackside daily. Both last shipped on November 6, 2026.

Scorecard8 real differences · 2 level
Harry's LapTimer Grand Prix versus Trackside: the parameters behind the verdict, then further details
ParameterHarry's LapTimer Grand PrixTrackside
Price$27.99Free — better
Rating4.0 (81 ratings)5.0 (4 ratings) — better
Positive reviews58.6% of reviews100.0% of reviews — better
Number of ratings81 — better4
Update frequencyEvery 2 monthsDaily — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size78 MB47 MB
Age rating4+4+
DeveloperHarald SchlangmannDaniel Stratton

Customer experience

Harry's LapTimer Grand Prix

All ratings81 ratings
Positive75.3%
Neutral6.2%
Negative18.5%
Written reviews99 reviews
Positive58.6%
Neutral7.1%
Negative34.3%

Trackside

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Harry's LapTimer Grand Prix

No in-app purchases

2 purchases

Trackside

Subscriptions2
  • Trackside Pro Monthly$12.991 Month
  • Trackside Pro Annual$59.991 Year

Questions

Is Harry's LapTimer Grand Prix free?
Harry's LapTimer Grand Prix costs $27.99, with no in-app purchases.
Is Trackside free?
Trackside is free to download, with in-app purchases available.
Which has better reviews, Harry's LapTimer Grand Prix or Trackside?
Trackside is rated higher. Harry's LapTimer Grand Prix averages 4.0 out of 5 from 81 ratings, while Trackside averages 5.0 from 4 ratings.
Do Harry's LapTimer Grand Prix or Trackside have ads?
Neither Harry's LapTimer Grand Prix nor Trackside shows ads.
Which is updated more often, Harry's LapTimer Grand Prix or Trackside?
Harry's LapTimer Grand Prix ships an update every 2 months, and Trackside daily. Most recently, Harry's LapTimer Grand Prix was updated on November 6, 2026 and Trackside on November 6, 2026.

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