# Jetting for World Formula Kart vs Dexian Timer

The clearest difference is price: Dexian Timer at Free against Jetting for World Formula Kart's $7.99. Dexian Timer also leads on update cadence (fortnightly vs every 2 months). Jetting for World Formula Kart's advantage is iOS requirement (9.0 vs 15.5). On ads, in-app purchases and device support there is nothing between them.

Dexian Timer is free to download; Jetting for World Formula Kart costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Jetting for World Formula Kart ships an update every 2 months, Dexian Timer fortnightly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Jetting for World Formula Kart | Dexian Timer |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/jetting-for-world-formula-kart/id1476545807/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 39 MB | 156 MB |
| Requires iOS | **9.0** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ballistic Solutions LLC](https://appshunter.io/developer/1611909747) | [骞 魏](https://appshunter.io/developer/1872259603) |

## What reviewers say

### Jetting for World Formula Kart

[App page](https://appshunter.io/ios/app/jetting-for-world-formula-kart/id1476545807)

Optimize your kart's engine performance with precise carburetor and spark plug recommendations. This app uses real-time weather data and engine specifics to provide optimal settings for Briggs & Stratton World Formula engines.

**Highlights:** Optimal carburetor configuration recommendations, Spark plug selection and gap settings, Automatic weather data acquisition, Manual weather data input, History of carburetor configurations, Graphic display of fuel mix quality, Selectable fuel types and oil ratios

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

**In-app purchases:** none


### Dexian Timer

[App page](https://appshunter.io/ios/app/dexian-timer/id6759848554)

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

**In-app purchases:** none


## Frequently asked questions

### Is Jetting for World Formula Kart free?

Jetting for World Formula Kart costs $7.99, with no in-app purchases.

### Is Dexian Timer free?

Dexian Timer is free to download, with no in-app purchases.

### Do Jetting for World Formula Kart or Dexian Timer have ads?

Neither Jetting for World Formula Kart nor Dexian Timer shows ads.

### Which is updated more often, Jetting for World Formula Kart or Dexian Timer?

Jetting for World Formula Kart ships an update every 2 months, and Dexian Timer fortnightly. Most recently, Jetting for World Formula Kart was updated on November 3, 2026 and Dexian Timer on October 31, 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.*