# KartBalance vs BATT SYNC

The clearest difference is price: BATT SYNC at Free against KartBalance's $4.99. KartBalance's advantage is update cadence (every 2 months vs every 6 months) and chart position (#185 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

BATT SYNC is free to download; KartBalance costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

KartBalance ships an update every 2 months, BATT SYNC every 6 months. Both last shipped on October 26, 2026.

## The numbers

| Metric | KartBalance | BATT SYNC |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.7 (9 ratings)](https://appshunter.io/ios/app/kartbalance-kart-setup-tool/id1151974965/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Paid | — |
| Best chart rank | **#185** | — |
| Size | 5 MB | 34 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Jonathan Alter](https://appshunter.io/developer/459110435) | [DHC Specialty Corp.](https://appshunter.io/developer/1130832649) |

## What reviewers say

### KartBalance

[App page](https://appshunter.io/ios/app/kartbalance-kart-setup-tool/id1151974965)

**Currently charting:** #185 Top Paid · Utilities (US App Store)

This tool helps racing kart enthusiasts optimize weight distribution and chassis balance for improved handling and consistency. It allows users to virtually adjust weights on a visual chassis diagram and see real-time center of gravity changes before making physical modifications.

**Highlights:** Visual chassis with drag-and-drop weight placement, Real-time corner weight calculations, Center of gravity visualization, Save unlimited kart configurations, Support for any weight units, Negative weights for simulated weight removal

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

**In-app purchases:** none


### BATT SYNC

[App page](https://appshunter.io/ios/app/batt-sync/id1286964635)

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

**In-app purchases:** none


## Frequently asked questions

### Is KartBalance free?

KartBalance costs $4.99, with no in-app purchases.

### Is BATT SYNC free?

BATT SYNC is free to download, with no in-app purchases.

### Do KartBalance or BATT SYNC have ads?

Neither KartBalance nor BATT SYNC shows ads.

### Which is updated more often, KartBalance or BATT SYNC?

KartBalance ships an update every 2 months, and BATT SYNC every 6 months. Most recently, KartBalance was updated on October 26, 2026 and BATT SYNC on October 26, 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.*