# kyajet vs SimsoenMische

The clearest difference is price: SimsoenMische at Free against kyajet's $7.99. SimsoenMische also leads on update cadence (every 5 days vs every 4 months). kyajet's advantage is in-app purchases (none vs 4) and ads (none vs shown). On device support there is nothing between them.

SimsoenMische is free to download; kyajet costs $7.99 up front. SimsoenMische sells 4 in-app purchases, starting at $0.29 per 7 days. kyajet asks for nothing beyond the download.

kyajet ships an update every 4 months, SimsoenMische every 5 days. The most recent releases landed on October 9, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | kyajet | SimsoenMische |
| --- | --- | --- |
| 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** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | Paid | — |
| Size | 3 MB | 6 MB |
| Requires iOS | **14.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [keywerks GmbH](https://appshunter.io/developer/1336049861) | [Richter und Bodenstein Software GbR](https://appshunter.io/developer/1709722931) |

## 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


### SimsoenMische

[App page](https://appshunter.io/ios/app/simsoenmische/id6751460936)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free for one week | $0.29 | per 7 days |
| Ad-Free for one month | $0.99 | per month |
| Ad-Free for one year | $1.99 | per year |
| Lifetime Ad-Free | $3.99 | one-time |


## Frequently asked questions

### Is kyajet free?

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

### Is SimsoenMische free?

SimsoenMische is free to download, with in-app purchases available.

### Do kyajet or SimsoenMische have ads?

SimsoenMische shows ads; kyajet does not.

### Which is updated more often, kyajet or SimsoenMische?

kyajet ships an update every 4 months, and SimsoenMische every 5 days. Most recently, kyajet was updated on October 9, 2026 and SimsoenMische on October 19, 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.*