# KartTrackerAI Race Performance vs GRIP RTX

The clearest difference is price: GRIP RTX at Free against KartTrackerAI Race Performance's $1.99. GRIP RTX also leads on in-app purchases (none vs 6) and iOS requirement (15.1 vs 18.0). On update cadence, ads and device support there is nothing between them.

GRIP RTX is free to download; KartTrackerAI Race Performance costs $1.99 up front. KartTrackerAI Race Performance sells 6 in-app purchases, starting at $1.99 per month. GRIP RTX asks for nothing beyond the download.

KartTrackerAI Race Performance ships an update every 2 weeks, GRIP RTX every 6 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | KartTrackerAI Race Performance | GRIP RTX |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/karttrackerai-race-performance/id6739735230/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 47 MB | 49 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Stephen Ayers](https://appshunter.io/developer/300728335) | [Grupo ERRE](https://appshunter.io/developer/1366187619) |

## What reviewers say

### KartTrackerAI Race Performance

[App page](https://appshunter.io/ios/app/karttrackerai-race-performance/id6739735230)

This app helps go-kart racers and teams analyze performance data to improve race outcomes. It allows logging of setup changes, photos, and lap details, with AI highlighting winning patterns. Real-time cloud syncing and instant lap data import from dashboards streamline race-day decisions.

**Highlights:** Log sessions with photos, weather, and technical specs, Compare setups, tire wear, and performance, Sync cloud data across the pit wall, Import lap data from MyChron dashboards, AI coaching for performance insights, Import official series results

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Individual Subscription | $1.99 | per month |
| AI Analysis | $4.99 | per month |
| Team Members 5 | $9.99 | per month |
| Team Members 10 | $14.99 | per month |
| Team Members 25 | $24.99 | per month |
| Team Members 50 | $39.99 | per month |


### GRIP RTX

[App page](https://appshunter.io/ios/app/grip-rtx/id6754041023)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KartTrackerAI Race Performance free?

KartTrackerAI Race Performance costs $1.99, and also offers in-app purchases.

### Is GRIP RTX free?

GRIP RTX is free to download, with no in-app purchases.

### Do KartTrackerAI Race Performance or GRIP RTX have ads?

Neither KartTrackerAI Race Performance nor GRIP RTX shows ads.

### Which is updated more often, KartTrackerAI Race Performance or GRIP RTX?

KartTrackerAI Race Performance ships an update every 2 weeks, and GRIP RTX every 6 days. Most recently, KartTrackerAI Race Performance was updated on October 24, 2026 and GRIP RTX 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.*