# onTrackTools vs Kerbz Laps

The clearest difference is in-app purchases: Kerbz Laps at none against onTrackTools's 7. Kerbz Laps also leads on update cadence (every 2 days vs every 6 weeks) and iOS requirement (16.4 vs 18.6). onTrackTools's advantage is device support (4 vs 1). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. onTrackTools sells 7 in-app purchases, starting at $1.99 per month. Kerbz Laps asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for onTrackTools against 5.0 for Kerbz Laps. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

onTrackTools ships an update every 6 weeks, Kerbz Laps every 2 days. The most recent releases landed on November 4, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | onTrackTools | Kerbz Laps |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/ontracktools/id6740288429/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/kerbz-laps/id6823406839/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 days** |
| Monetization | Freemium | **Free** |
| Size | 170 MB | 38 MB |
| Requires iOS | 18.6 | **16.4** |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ludovico Verducci](https://appshunter.io/developer/370744620) | [Kerbz Adventures, Inc.](https://appshunter.io/developer/1750997088) |

## What reviewers say

### onTrackTools

[App page](https://appshunter.io/ios/app/ontracktools/id6740288429)

Analyze motorsport telemetry data with professional-grade tools. Visualize speed, G-forces, and GPS traces, compare laps side-by-side, and gain actionable insights into driving performance and car setups. Features AI assistants for notes and math channels.

**Highlights:** Import and analyze telemetry data (VBO, LD), Customizable analysis dashboard (PRO), Driver profiles and lap attribution (PRO), AI assistants for notes and math channels, Synchronized video overlay, Side-by-side lap comparison, Interactive track maps

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| onTrackTools Monthly | $1.99 | per month |
| onTrackTools PRO - 1 month | $3.99 | per month |
| onTrackTools Yearly | $6.99 | per year |
| onTrackTools PRO - 1 year | $19.99 | per year |
| Lifetime purchase | $12.99 | one-time |
| Lifetime PRO, upgrade from base | $24.99 | one-time |
| Lifetime PRO Purchase | $34.99 | one-time |


### Kerbz Laps

[App page](https://appshunter.io/ios/app/kerbz-laps/id6823406839)

This app provides real-time GPS lap timing and voice coaching for track days. It analyzes your performance, offers tips based on your best laps, and saves session data for review. You can also compare your driving to previous sessions and upload videos with overlaid data.

**Highlights:** Real-time GPS lap timing, Live gap to best lap, Voice coaching with tips, Session data analysis, Lap-by-lap breakdown, Video overlay with lap data, Track leaderboard integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is onTrackTools free?

onTrackTools is free to download, with in-app purchases available.

### Is Kerbz Laps free?

Kerbz Laps is free to download, with no in-app purchases.

### Which has better reviews, onTrackTools or Kerbz Laps?

onTrackTools and Kerbz Laps are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do onTrackTools or Kerbz Laps have ads?

Neither onTrackTools nor Kerbz Laps shows ads.

### Which is updated more often, onTrackTools or Kerbz Laps?

onTrackTools ships an update every 6 weeks, and Kerbz Laps every 2 days. Most recently, onTrackTools was updated on November 4, 2026 and Kerbz Laps on November 6, 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.*