# Rally Timer Pro vs Kart Chassis Setup PRO

The clearest difference is update cadence: Kart Chassis Setup PRO at every 6 weeks against Rally Timer Pro's every 14 months. Kart Chassis Setup PRO also leads on price ($7.99 vs $9.99) and iOS requirement (9.0 vs 12.0). On ads, in-app purchases and device support there is nothing between them.

Rally Timer Pro costs $9.99 and Kart Chassis Setup PRO $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Rally Timer Pro ships an update every 14 months, Kart Chassis Setup PRO every 6 weeks. The most recent releases landed on October 11, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Rally Timer Pro | Kart Chassis Setup PRO |
| --- | --- | --- |
| Price | $9.99 | **$7.99** |
| Rating | — | **[4.3 (6 ratings)](https://appshunter.io/ios/app/kart-chassis-setup-pro/id1479976538/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 87.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 6 weeks** |
| Monetization | — | Paid |
| Size | 7 MB | 49 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dream-Up](https://appshunter.io/developer/445196122) | [Ballistic Solutions LLC](https://appshunter.io/developer/1611909747) |

## What reviewers say

### Rally Timer Pro

[App page](https://appshunter.io/ios/app/rally-timer-pro/id1078491284)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kart Chassis Setup PRO

[App page](https://appshunter.io/ios/app/kart-chassis-setup-pro/id1479976538)

This app provides data-driven recommendations for adjusting go-kart chassis setups. It analyzes current configurations, tire pressures, temperatures, cornering behavior, and track conditions to help resolve setup issues with detailed explanations and visual aids.

**Highlights:** Chassis data input, Tire pressure and temperature analysis, Cornering behavior analysis, Weather and track condition integration, Setup history tracking, Visual explanations for adjustments

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

**In-app purchases:** none


## Frequently asked questions

### Is Rally Timer Pro free?

Rally Timer Pro costs $9.99, with no in-app purchases.

### Is Kart Chassis Setup PRO free?

Kart Chassis Setup PRO costs $7.99, with no in-app purchases.

### Do Rally Timer Pro or Kart Chassis Setup PRO have ads?

Neither Rally Timer Pro nor Kart Chassis Setup PRO shows ads.

### Which is updated more often, Rally Timer Pro or Kart Chassis Setup PRO?

Rally Timer Pro ships an update every 14 months, and Kart Chassis Setup PRO every 6 weeks. Most recently, Rally Timer Pro was updated on October 11, 2026 and Kart Chassis Setup PRO on October 21, 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.*