# Phasemaker vs Kauldron Synthesizer

The clearest difference is update cadence: Phasemaker at every 3 weeks against Kauldron Synthesizer's every 49 months. Phasemaker also leads on price ($3.99 vs $9.99) and iOS requirement (9.0 vs 15.6). Kauldron Synthesizer's advantage is rating (4.6 vs 4.3) and review sentiment (80% vs 69%). On ads, in-app purchases, monetization model and device support there is nothing between them.

Phasemaker costs $3.99 and Kauldron Synthesizer $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Kauldron Synthesizer holds the better App Store score, 4.6 against 4.3. Both are backed by a comparable volume of ratings — 33 and 136 respectively. Written reviews point the same way: 69% of Phasemaker's written reviews are positive against 80% of Kauldron Synthesizer's.

Phasemaker ships an update every 3 weeks, Kauldron Synthesizer every 49 months. The most recent releases landed on September 18, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Phasemaker | Kauldron Synthesizer |
| --- | --- | --- |
| Price | **$3.99** | $9.99 |
| Rating | [4.3 (33 ratings)](https://appshunter.io/ios/app/phasemaker/id1161642832/reviews) | **[4.6 (136 ratings)](https://appshunter.io/ios/app/kauldron-synthesizer/id1292510609/reviews)** |
| Number of ratings | 33 | **136** |
| Positive reviews | 68.8% of reviews | **79.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 49 months |
| Monetization | Paid | Paid |
| Size | 16 MB | 32 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bram Bos](https://appshunter.io/developer/325340444) | [Yonac Inc.](https://appshunter.io/developer/288670023) |

## What reviewers say

### Phasemaker

[App page](https://appshunter.io/ios/app/phasemaker/id1161642832)

This app is a powerful 6-operator FM synthesizer for iOS, inspired by classic 1980s digital synths. It offers deep sound design capabilities with 42 algorithms and 12 oscillators, producing unique timbres impossible with analog modeling. It integrates seamlessly with mobile DAWs and supports various MIDI and audio routing protocols.

**Highlights:** 6-Operator FM Synthesis, 42 FM Algorithms, 12 Oscillators, Audio Unit (AUv3) compatible, Standalone mode with CoreMidi, Custom preset management, Vintage chorus and reverb effects

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Phasemaker free?

Phasemaker costs $3.99, with no in-app purchases.

### Is Kauldron Synthesizer free?

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

### Which has better reviews, Phasemaker or Kauldron Synthesizer?

Kauldron Synthesizer is rated higher. Phasemaker averages 4.3 out of 5 from 33 ratings, while Kauldron Synthesizer averages 4.6 from 136 ratings.

### Do Phasemaker or Kauldron Synthesizer have ads?

Neither Phasemaker nor Kauldron Synthesizer shows ads.

### Which is updated more often, Phasemaker or Kauldron Synthesizer?

Phasemaker ships an update every 3 weeks, and Kauldron Synthesizer every 49 months. Most recently, Phasemaker was updated on September 18, 2026 and Kauldron Synthesizer on September 24, 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.*