# kyajet vs TC Tuner

The clearest difference is price: TC Tuner at Free against kyajet's $7.99. kyajet's advantage is update cadence (every 4 months vs every 12 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

TC Tuner is free to download; kyajet costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

kyajet ships an update every 4 months, TC Tuner every 12 months. The most recent releases landed on October 9, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | kyajet | TC Tuner |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[4.5 (13 ratings)](https://appshunter.io/ios/app/kyajet/id1336049862/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 12 months |
| Monetization | Paid | — |
| Size | 3 MB | 19 MB |
| Requires iOS | 14.1 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [keywerks GmbH](https://appshunter.io/developer/1336049861) | [Edelbrock Corp](https://appshunter.io/developer/1579096297) |

## What reviewers say

### kyajet

[App page](https://appshunter.io/ios/app/kyajet/id1336049862)

This tool helps optimize Keihin carburetor settings with a clean interface and comprehensive data on jets and needles. Compare different setups to improve your vehicle's performance.

**Highlights:** Carburetor setup tool, Keihin carburetor optimization, Jet and needle data, Setup comparison, Performance improvement

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

**In-app purchases:** none


### TC Tuner

[App page](https://appshunter.io/ios/app/tc-tuner/id1579604513)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is kyajet free?

kyajet costs $7.99, with no in-app purchases.

### Is TC Tuner free?

TC Tuner is free to download, with no in-app purchases.

### Do kyajet or TC Tuner have ads?

Neither kyajet nor TC Tuner shows ads.

### Which is updated more often, kyajet or TC Tuner?

kyajet ships an update every 4 months, and TC Tuner every 12 months. Most recently, kyajet was updated on October 9, 2026 and TC Tuner on September 29, 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.*