# LogSynth vs KG

The clearest difference is price: KG at $0.49 against LogSynth's $9.99. LogSynth's advantage is iOS requirement (18.0 vs 26.5). On update cadence, ads, in-app purchases and device support there is nothing between them.

LogSynth costs $9.99 and KG $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

LogSynth ships an update every 2 weeks, KG every 11 days. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | LogSynth | KG |
| --- | --- | --- |
| Price | $9.99 | **$0.49** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 11 days** |
| Size | 22 MB | 30 MB |
| Requires iOS | **18.0** | 26.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SEAN IAN HALENWOOD](https://appshunter.io/developer/1896371669) | [Kouki Yoshimoto](https://appshunter.io/developer/1884780659) |

## What reviewers say

### LogSynth

[App page](https://appshunter.io/ios/app/logsynth/id6792552386)

**Features:** macOS Compatibility

**In-app purchases:** none


### KG

[App page](https://appshunter.io/ios/app/kg-square-pro-synthesizer/id6811818639)

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

**In-app purchases:** none


## Frequently asked questions

### Is LogSynth free?

LogSynth costs $9.99, with no in-app purchases.

### Is KG free?

KG costs $0.49, with no in-app purchases.

### Do LogSynth or KG have ads?

Neither LogSynth nor KG shows ads.

### Which is updated more often, LogSynth or KG?

LogSynth ships an update every 2 weeks, and KG every 11 days. Most recently, LogSynth was updated on October 24, 2026 and KG 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.*