# AMB vs KG

The clearest difference is iOS requirement: AMB at 17.6 against KG's 26.5. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | AMB | KG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/amb-r-synth/id1660589038/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | — |
| Size | 2 MB | 36 MB |
| Requires iOS | **17.6** | 26.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Jan Strahlberg](https://appshunter.io/developer/1660589040) | [Kouki Yoshimoto](https://appshunter.io/developer/1884780659) |

## What reviewers say

### AMB

[App page](https://appshunter.io/ios/app/amb-r-synth/id1660589038)

This mobile application offers a simplified approach to FM synthesis, allowing users to create a variety of sounds, from crystalline textures to sharp basslines, directly on their device. It's designed for on-the-go sound design and musical exploration.

**Highlights:** Simplified FM synthesis, Pocket-sized design, Sound shaping, Crystalline sound creation, Noisy texture generation, Sharp bassline creation

**In-app purchases:** none


### 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 AMB free?

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

### Is KG free?

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

### Do AMB or KG have ads?

Neither AMB nor KG shows ads.

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

AMB ships an update every 3 weeks, and KG every 3 weeks. Most recently, AMB was updated on November 3, 2026 and KG on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*