# KG vs Laser Harp

The clearest difference is in-app purchases: KG at none against Laser Harp's 1. KG also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). Laser Harp's advantage is iOS requirement (15.0 vs 26.5). On price and device support there is nothing between them.

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

KG ships an update every 3 weeks, Laser Harp every 2 months. The most recent releases landed on October 19, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | KG | Laser Harp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 36 MB | 48 MB |
| Requires iOS | 26.5 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Kouki Yoshimoto](https://appshunter.io/developer/1884780659) | [Alper Kahriman](https://appshunter.io/developer/1054578352) |

## What reviewers say

### KG

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

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

**In-app purchases:** none


### Laser Harp

[App page](https://appshunter.io/ios/app/laser-harp-light-synth/id6782724413)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Laser Harp Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is KG free?

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

### Is Laser Harp free?

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

### Do KG or Laser Harp have ads?

Laser Harp shows ads; KG does not.

### Which is updated more often, KG or Laser Harp?

KG ships an update every 3 weeks, and Laser Harp every 2 months. Most recently, KG was updated on October 19, 2026 and Laser Harp on October 25, 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.*