# Kart Chassis Setup PRO vs Rally Call

The clearest difference is price: Kart Chassis Setup PRO at $7.99 against Rally Call's $22.99. Kart Chassis Setup PRO also leads on iOS requirement (9.0 vs 16.4). Rally Call's advantage is update cadence (every 3 days vs every 6 weeks) and review sentiment (100% vs 88%). On ads, in-app purchases, monetization model and device support there is nothing between them.

Kart Chassis Setup PRO costs $7.99 and Rally Call $22.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Kart Chassis Setup PRO ships an update every 6 weeks, Rally Call every 3 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Kart Chassis Setup PRO | Rally Call |
| --- | --- | --- |
| Price | **$7.99** | $22.99 |
| 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 | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Monetization | Paid | Paid |
| Size | 49 MB | 44 MB |
| Requires iOS | **9.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ballistic Solutions LLC](https://appshunter.io/developer/1611909747) | [Tiste](https://appshunter.io/developer/519715776) |

## What reviewers say

### 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


### Rally Call

[App page](https://appshunter.io/ios/app/rally-call/id6748931500)

Create detailed rally pace notes with geotagged voice memos, real-time steering angle visualization, and precise distance measurement tools. Access weather forecasts and live results, then share your notes easily. Designed by experienced co-drivers for optimal performance.

**Highlights:** Geotagged voice notes, Real-time steering angle dial, Precision distance measurement, Automatic last turn tracking, Special stage weather access, Live results integration, Pace note sharing and saving

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

**In-app purchases:** none


## Frequently asked questions

### Is Kart Chassis Setup PRO free?

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

### Is Rally Call free?

Rally Call costs $22.99, with no in-app purchases.

### Do Kart Chassis Setup PRO or Rally Call have ads?

Neither Kart Chassis Setup PRO nor Rally Call shows ads.

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

Kart Chassis Setup PRO ships an update every 6 weeks, and Rally Call every 3 days. Most recently, Kart Chassis Setup PRO was updated on October 26, 2026 and Rally Call 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.*