# Harry's LapTimer Grand Prix vs Trackday Plot

The clearest difference is price: Trackday Plot at Free against Harry's LapTimer Grand Prix's $27.99. Harry's LapTimer Grand Prix's advantage is iOS requirement (15.0 vs 26.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Trackday Plot is free to download; Harry's LapTimer Grand Prix costs $27.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Harry's LapTimer Grand Prix ships an update every 2 months, Trackday Plot every 3 months. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Harry's LapTimer Grand Prix | Trackday Plot |
| --- | --- | --- |
| Price | $27.99 | **Free** |
| Rating | **[4.0 (81 ratings)](https://appshunter.io/ios/app/harrys-laptimer-grand-prix/id363556704/reviews)** | — |
| Number of ratings | **81** | — |
| Positive reviews | 58.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Freemium | — |
| Size | 78 MB | 5 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Harald Schlangmann](https://appshunter.io/developer/307688601) | [Volodymyr Ivanyshyn](https://appshunter.io/developer/624809096) |

## What reviewers say

### Harry's LapTimer Grand Prix

[App page](https://appshunter.io/ios/app/harrys-laptimer-grand-prix/id363556704)

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:** Apple Watch app

**In-app purchases:** none


### Trackday Plot

[App page](https://appshunter.io/ios/app/trackday-plot/id6753782144)

**In-app purchases:** none


## Frequently asked questions

### Is Harry's LapTimer Grand Prix free?

Harry's LapTimer Grand Prix costs $27.99, with no in-app purchases.

### Is Trackday Plot free?

Trackday Plot is free to download, with no in-app purchases.

### Do Harry's LapTimer Grand Prix or Trackday Plot have ads?

Neither Harry's LapTimer Grand Prix nor Trackday Plot shows ads.

### Which is updated more often, Harry's LapTimer Grand Prix or Trackday Plot?

Harry's LapTimer Grand Prix ships an update every 2 months, and Trackday Plot every 3 months. Most recently, Harry's LapTimer Grand Prix was updated on November 1, 2026 and Trackday Plot on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*