# SynthStamp vs Kombinat4

The clearest difference is rating: Kombinat4 at 5.0 against SynthStamp's 4.4. Kombinat4 also leads on review sentiment (67% vs 50%) and iOS requirement (12.0 vs 16.0). SynthStamp's advantage is price ($4.99 vs $7.99). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

SynthStamp costs $4.99 and Kombinat4 $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Kombinat4 holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 12 and 10 respectively. Written reviews point the same way: 50% of SynthStamp's written reviews are positive against 67% of Kombinat4's.

SynthStamp ships an update every 5 days, Kombinat4 every 3 days. The most recent releases landed on September 18, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | SynthStamp | Kombinat4 |
| --- | --- | --- |
| Price | **$4.99** | $7.99 |
| Rating | [4.4 (12 ratings)](https://appshunter.io/ios/app/synthstamp/id6760490718/reviews) | **[5.0 (10 ratings)](https://appshunter.io/ios/app/kombinat4/id6761697917/reviews)** |
| Number of ratings | **12** | 10 |
| Positive reviews | 50.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 3 days** |
| Monetization | Paid | Paid |
| Size | 39 MB | 32 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Musicology Group, Inc.](https://appshunter.io/developer/1061725506) | [Audio Damage, Inc.](https://appshunter.io/developer/1248448317) |

## What reviewers say

### SynthStamp

[App page](https://appshunter.io/ios/app/synthstamp/id6760490718)

Explore vintage synthesizers with fully modeled engines and familiar interfaces. Patch, save, and share your creations across devices. Features real-time effects processing and models based on iconic hardware.

**Highlights:** Fully modeled vintage synth engines, Patchable semi-modular synthesizer, Circuit-bendable sampling keyboard, Real-time effects processing, Audio Unit (AUv3) plugin support, Cross-device preset sharing

**Features:** Vision Pro support

**In-app purchases:** none


### Kombinat4

[App page](https://appshunter.io/ios/app/kombinat4/id6761697917)

This audio plugin allows users to split sounds into up to eight frequency bands and apply one of 38 distortion engines to each. It offers parallel multiband processing or serial chaining of distortion effects for complex sound design. Includes a comprehensive output section with filters, compression, and feedback.

**Highlights:** Up to eight frequency bands, 38 distinct distortion engines, Multiband and serial processing modes, Advanced output filter section, Built-in compressor with sidechain, Global feedback path with envelope, AUv3 plugin and standalone app

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SynthStamp free?

SynthStamp costs $4.99, with no in-app purchases.

### Is Kombinat4 free?

Kombinat4 costs $7.99, with no in-app purchases.

### Which has better reviews, SynthStamp or Kombinat4?

Kombinat4 is rated higher. SynthStamp averages 4.4 out of 5 from 12 ratings, while Kombinat4 averages 5.0 from 10 ratings.

### Do SynthStamp or Kombinat4 have ads?

Neither SynthStamp nor Kombinat4 shows ads.

### Which is updated more often, SynthStamp or Kombinat4?

SynthStamp ships an update every 5 days, and Kombinat4 every 3 days. Most recently, SynthStamp was updated on September 18, 2026 and Kombinat4 on September 17, 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.*