# Kauldron Synthesizer vs Synclavier Go! App and Plugin

The clearest difference is price: Kauldron Synthesizer at $9.99 against Synclavier Go! App and Plugin's $19.99. Synclavier Go! App and Plugin's advantage is update cadence (every 3 weeks vs every 49 months) and iOS requirement (12.0 vs 15.6). On rating, review sentiment, ratings volume and ads there is nothing between them.

Kauldron Synthesizer costs $9.99 and Synclavier Go! App and Plugin $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.6 for Kauldron Synthesizer against 4.7 for Synclavier Go! App and Plugin. Both are backed by a comparable volume of ratings — 136 and 53 respectively. Written reviews are what separate them: 80% of Kauldron Synthesizer's written reviews are positive against 81% of Synclavier Go! App and Plugin's.

Kauldron Synthesizer ships an update every 49 months, Synclavier Go! App and Plugin every 3 weeks. The most recent releases landed on November 11, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Kauldron Synthesizer | Synclavier Go! App and Plugin |
| --- | --- | --- |
| Price | **$9.99** | $19.99 |
| Rating | [4.6 (136 ratings)](https://appshunter.io/ios/app/kauldron-synthesizer/id1292510609/reviews) | **[4.7 (53 ratings)](https://appshunter.io/ios/app/synclavier-go-app-and-plugin/id1378108734/reviews)** |
| Number of ratings | **136** | 53 |
| Positive reviews | 79.7% of reviews | **81.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 49 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Size | 32 MB | 94 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yonac Inc.](https://appshunter.io/developer/288670023) | [Synclavier Digital Corporation Ltd](https://appshunter.io/developer/1200334789) |

## What reviewers say

### Kauldron Synthesizer

[App page](https://appshunter.io/ios/app/kauldron-synthesizer/id1292510609)

This app combines classic analog synth warmth with AI-powered sound design. It offers intelligent preset generation, extensive modulation options, and a powerful arpeggiator for creating rich synth textures.

**Highlights:** AI-powered preset generation (SPAWN²), Analog modeling oscillators, Extensive modulation matrix, Dual XY-pads for control, Powerful arpeggiator, AUv3 plugin support, Over 900 presets

**In-app purchases:** none

**What reviewers like**

- ✨ Warm and rich sound
- 👍 Easy to use interface
- 💡 Great presets included
- 🚀 Powerful sound engine
- 🌟 High quality emulation

**What reviewers complain about**

- 🐛 Buggy AUv3 implementation
- 🔊 Shrill noise issue
- 🔇 No Bluetooth speaker support
- ⚠️ Strange behavior/no reset
- 📉 Lacks oomph/personality

**Reported bugs**

- Oscillators cannot be set to -1 octave
- Shrill noise
- No Bluetooth speaker output
- Fails to reload with Logic projects
- Cannot load into Logic Pro

**Requested features**

- Bring synths/effects to macOS
- Mac App version
- More comprehensive FX section (distortion/saturation)
- MIDI-out for arpeggiator
- Drum machine, PAD launcher, DAW


### Synclavier Go! App and Plugin

[App page](https://appshunter.io/ios/app/synclavier-go-app-and-plugin/id1378108734)

Experience the legendary Synclavier sound on your mobile device. This app offers a powerful vintage synthesizer and sampler with modern MPE and AUv3 compatibility, allowing for deep sound design and integration with iOS DAWs.

**Highlights:** Vintage synthesizer and sampler, AUv3 client for iOS DAWs, MPE compatibility, 12 Partial Timbres, 16-track mixing console, Artist Preset Libraries, Sample Library

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Kauldron Synthesizer free?

Kauldron Synthesizer costs $9.99, with no in-app purchases.

### Is Synclavier Go! App and Plugin free?

Synclavier Go! App and Plugin costs $19.99, with no in-app purchases.

### Which has better reviews, Kauldron Synthesizer or Synclavier Go! App and Plugin?

Synclavier Go! App and Plugin is rated higher. Kauldron Synthesizer averages 4.6 out of 5 from 136 ratings, while Synclavier Go! App and Plugin averages 4.7 from 53 ratings.

### Do Kauldron Synthesizer or Synclavier Go! App and Plugin have ads?

Neither Kauldron Synthesizer nor Synclavier Go! App and Plugin shows ads.

### Which is updated more often, Kauldron Synthesizer or Synclavier Go! App and Plugin?

Kauldron Synthesizer ships an update every 49 months, and Synclavier Go! App and Plugin every 3 weeks. Most recently, Kauldron Synthesizer was updated on November 11, 2026 and Synclavier Go! App and Plugin on November 2, 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.*