# kyajet vs Microdyno

The clearest difference is update cadence: Microdyno at monthly against kyajet's every 4 months. kyajet's advantage is price ($7.99 vs $8.99). On review sentiment, ads, in-app purchases and monetization model there is nothing between them.

kyajet costs $7.99 and Microdyno $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

kyajet ships an update every 4 months, Microdyno monthly. The most recent releases landed on September 22, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | kyajet | Microdyno |
| --- | --- | --- |
| Price | **$7.99** | $8.99 |
| Rating | **[4.5 (13 ratings)](https://appshunter.io/ios/app/kyajet/id1336049862/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Paid | Paid |
| Size | 3 MB | 108 MB |
| Requires iOS | **14.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [keywerks GmbH](https://appshunter.io/developer/1336049861) | [Stefan Hurzlmeier](https://appshunter.io/developer/969804263) |

## 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


### Microdyno

[App page](https://appshunter.io/ios/app/microdyno/id6749821546)

Transform your iPhone into a professional dynamometer. This app uses advanced audio analysis to precisely measure vehicle performance and torque in real-time without expensive hardware. It offers detailed vehicle profiles, weather integration, and professional data visualization.

**Highlights:** Real-time performance measurement (PS, Nm, RPM, speed), Over 100 pre-configured vehicle profiles, Automatic weather data integration for correction, Harmonic editing for cleaner results, Professional data visualization and export, Customizable vehicle profile creation, Measurement history tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is kyajet free?

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

### Is Microdyno free?

Microdyno costs $8.99, with no in-app purchases.

### Do kyajet or Microdyno have ads?

Neither kyajet nor Microdyno shows ads.

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

kyajet ships an update every 4 months, and Microdyno monthly. Most recently, kyajet was updated on September 22, 2026 and Microdyno on September 30, 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.*