# JamCat vs KG

The clearest difference is in-app purchases: KG at none against JamCat's 1. KG also leads on update cadence (every 3 weeks vs every 3 months). JamCat's advantage is iOS requirement (8.0 vs 26.5). On price, ads and device support there is nothing between them.

Both are free to download. JamCat sells 1 one-off in-app purchase. KG asks for nothing beyond the download.

JamCat ships an update every 3 months, KG every 3 weeks. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | JamCat | KG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/jamcat/id642035970/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 34 MB | 36 MB |
| Requires iOS | **8.0** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Alex Akimov](https://appshunter.io/developer/642035973) | [Kouki Yoshimoto](https://appshunter.io/developer/1884780659) |

## What reviewers say

### JamCat

[App page](https://appshunter.io/ios/app/jamcat/id642035970)

This app helps musicians and bands stay organized by managing songs, setlists, and band member information. It offers offline access for gig notes and rehearsal plans, with features for sharing data and collaborating. Users can also import song information and embed videos.

**Highlights:** Song and setlist management, Band member collaboration, Offline access for gig notes, Import song data, Embed YouTube videos, Tag songs by category

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chord Transpose | $0.99 | one-time |


### KG

[App page](https://appshunter.io/ios/app/kg-square-virtual-analog-synth/id6776108274)

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

**In-app purchases:** none


## Frequently asked questions

### Is JamCat free?

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

### Is KG free?

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

### Do JamCat or KG have ads?

Neither JamCat nor KG shows ads.

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

JamCat ships an update every 3 months, and KG every 3 weeks. Most recently, JamCat was updated on October 29, 2026 and KG 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.*