# Lapster Racing vs Kartz

The clearest difference is in-app purchases: Lapster Racing at none against Kartz's 2. Kartz's advantage is update cadence (every 4 days vs every 3 weeks) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Kartz sells 2 in-app purchases, starting at $3.99 per month. Lapster Racing asks for nothing beyond the download.

Lapster Racing ships an update every 3 weeks, Kartz every 4 days. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Lapster Racing | Kartz |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 51 MB | 99 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Roman Milushov](https://appshunter.io/developer/1886070903) | [Theo manzella](https://appshunter.io/developer/6785823999) |

## What reviewers say

### Lapster Racing

[App page](https://appshunter.io/ios/app/lapster-racing-gps-lap-timer/id6760749800)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Kartz

[App page](https://appshunter.io/ios/app/kartz/id6785885967)

Track your karting lap times, monitor your progress across different tracks, and compare your performance with other amateur drivers in France. Discover nearby circuits and share your racing sessions with the community.

**Highlights:** Record lap times per track, Track progress over time, Compare with other drivers, Discover nearby circuits, Share and comment on sessions, Unlock performance badges

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kartz Pro | $3.99 | per month |
| Kartz Pro | $34.99 | per year |


## Frequently asked questions

### Is Lapster Racing free?

Lapster Racing is free to download, with no in-app purchases.

### Is Kartz free?

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

### Do Lapster Racing or Kartz have ads?

Neither Lapster Racing nor Kartz shows ads.

### Which is updated more often, Lapster Racing or Kartz?

Lapster Racing ships an update every 3 weeks, and Kartz every 4 days. Most recently, Lapster Racing was updated on October 16, 2026 and Kartz on October 10, 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.*