# Kauldron Synthesizer vs MIDI Strummer AUv3 Plugin

The clearest difference is update cadence: MIDI Strummer AUv3 Plugin at every 6 weeks against Kauldron Synthesizer's every 49 months. MIDI Strummer AUv3 Plugin also leads on price ($7.99 vs $9.99). Kauldron Synthesizer's advantage is rating (4.6 vs 4.3). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

Kauldron Synthesizer costs $9.99 and MIDI Strummer AUv3 Plugin $7.99 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 — 136 and 50 respectively. Written reviews point the same way: 80% of Kauldron Synthesizer's written reviews are positive against 75% of MIDI Strummer AUv3 Plugin's.

Kauldron Synthesizer ships an update every 49 months, MIDI Strummer AUv3 Plugin every 6 weeks. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Kauldron Synthesizer | MIDI Strummer AUv3 Plugin |
| --- | --- | --- |
| Price | $9.99 | **$7.99** |
| Rating | **[4.6 (136 ratings)](https://appshunter.io/ios/app/kauldron-synthesizer/id1292510609/reviews)** | [4.3 (50 ratings)](https://appshunter.io/ios/app/midi-strummer-auv3-plugin/id1532229404/reviews) |
| Number of ratings | **136** | 50 |
| Positive reviews | **79.7% of reviews** | 75.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 49 months | **Every 6 weeks** |
| Monetization | Paid | Paid |
| Size | 32 MB | 386 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yonac Inc.](https://appshunter.io/developer/288670023) | [4Pockets.com](https://appshunter.io/developer/370131860) |

## 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


### MIDI Strummer AUv3 Plugin

[App page](https://appshunter.io/ios/app/midi-strummer-auv3-plugin/id1532229404)

This app generates MIDI note data to simulate guitar strumming and picking. It includes a soundfont player, definable chord pads, and a pattern editor for creating custom strumming and picking sequences. You can also chain patterns into songs and apply various audio effects.

**Highlights:** Simulate guitar strumming and picking, Generate MIDI note data, Import and use soundfonts (.SF2, .DLS), 16 definable chord pads, Pattern editor for creating sequences, Song mode to chain patterns, 6 and 12 string emulation, Built-in audio effects

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Great app for guitar tracks
- 💡 Versatile arpeggiator
- 🎶 Excellent sound quality
- 🎹 Capable soundfont player
- 🎵 Intuitive interface

**What reviewers complain about**

- 🐛 Frequent crashes
- ⚠️ Suspicious support website
- 📉 Limited control over swing/triplet tempo
- ❓ Difficult to get MIDI out
- 🖱️ Clunky UI

**Reported bugs**

- App support is not opening
- App support website is gone/suspicious
- App keeps crashing when hosted in AUM
- Plugin corrupts entire track and makes project impossible to open
- Crashes constantly when used in AUM

**Requested features**

- Include pattern lengths of 3, 5, 7
- Piano to guitar chords and manual strumming
- Offset notes in pattern editor for swing/triplet tempos
- Add swing/humanize to patterns
- Functionality for capo or real-time key change with MIDI


## Frequently asked questions

### Is Kauldron Synthesizer free?

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

### Is MIDI Strummer AUv3 Plugin free?

MIDI Strummer AUv3 Plugin costs $7.99, with no in-app purchases.

### Which has better reviews, Kauldron Synthesizer or MIDI Strummer AUv3 Plugin?

Kauldron Synthesizer is rated higher. Kauldron Synthesizer averages 4.6 out of 5 from 136 ratings, while MIDI Strummer AUv3 Plugin averages 4.3 from 50 ratings.

### Do Kauldron Synthesizer or MIDI Strummer AUv3 Plugin have ads?

Neither Kauldron Synthesizer nor MIDI Strummer AUv3 Plugin shows ads.

### Which is updated more often, Kauldron Synthesizer or MIDI Strummer AUv3 Plugin?

Kauldron Synthesizer ships an update every 49 months, and MIDI Strummer AUv3 Plugin every 6 weeks. Most recently, Kauldron Synthesizer was updated on October 20, 2026 and MIDI Strummer AUv3 Plugin on October 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.*