# Addictive Synth vs Shimmer AUv3 Audio Plugin

The clearest difference is rating: Addictive Synth at 4.5 against Shimmer AUv3 Audio Plugin's 4.2. Addictive Synth also leads on review sentiment (78% vs 64%) and price ($6.99 vs $7.99). Shimmer AUv3 Audio Plugin's advantage is device support (3 vs 1). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Addictive Synth costs $6.99 and Shimmer AUv3 Audio Plugin $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Addictive Synth holds the better App Store score, 4.5 against 4.2. Both are backed by a comparable volume of ratings — 15 and 31 respectively. Written reviews point the same way: 78% of Addictive Synth's written reviews are positive against 64% of Shimmer AUv3 Audio Plugin's.

Addictive Synth ships an update every 4 months, Shimmer AUv3 Audio Plugin every 8 months. The most recent releases landed on June 9, 2026 and August 26, 2026 respectively.

## The numbers

| Metric | Addictive Synth | Shimmer AUv3 Audio Plugin |
| --- | --- | --- |
| Price | **$6.99** | $7.99 |
| Rating | **[4.5 (15 ratings)](https://appshunter.io/ios/app/addictive-synth/id447072653/reviews)** | [4.2 (31 ratings)](https://appshunter.io/ios/app/shimmer-auv3-audio-plugin/id1451968439/reviews) |
| Number of ratings | 15 | **31** |
| Positive reviews | **78.1% of reviews** | 63.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 8 months |
| Monetization | Paid | Paid |
| Size | 47 MB | 6 MB |
| Requires iOS | **6.0** | 13 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Harry Gohs](https://appshunter.io/developer/382428644) | [4Pockets.com](https://appshunter.io/developer/370131860) |

## What reviewers say

### Addictive Synth

[App page](https://appshunter.io/ios/app/addictive-synth/id447072653)

Create unique sounds and driving loops with a powerful wavetable synthesizer. Explore a vast sonic universe with dynamic oscillators, spectral noise generation, and intelligent randomizers. Play live with an onscreen keyboard or connect a MIDI controller.

**Highlights:** Dynamic wavetable synthesis, Spectral noise generator, Intelligent randomizer for sounds and arpeggios, Onscreen keyboard with live playing capabilities, MIDI keyboard compatibility, Programmable arpeggiator, Audiobus and Inter-app audio support

**In-app purchases:** none

**What reviewers like**

- 🎵 Unique additive synthesis sound palette
- 🎛️ Intuitive and clean interface design
- 🎲 Randomizer/dice feature for creative exploration
- 🎹 Excellent arpeggiator with extensive customization
- ✏️ Ability to draw custom waveforms and filters

**What reviewers complain about**

- 🔊 Harsh, metallic, or shrill sound character
- 🐛 Crashes on certain iOS versions
- ⏱️ Tempo drift and synchronization issues
- 🎹 Small, difficult-to-use on-screen controls
- 📡 Poor MIDI latency and responsiveness

**Reported bugs**

- App crashes upon opening on iOS 15.1
- Static/audio glitches on startup
- Keyboard width inconsistency across pages
- Stuck notes with external MIDI controllers
- Audio playback at 2x speed when pasting from certain apps

**Requested features**

- MIDI learn functionality
- Audiobus and IAA sync support
- MIDI clock/start/stop synchronization
- Ableton Link integration
- White/pink noise generator


### Shimmer AUv3 Audio Plugin

[App page](https://appshunter.io/ios/app/shimmer-auv3-audio-plugin/id1451968439)

Create ethereal soundscapes with this AUv3 compatible audio effect. It combines delay, pitch shifting, reverb, and modulation to add spacious atmosphere to instruments and vocals. Features include beat-synced options and harmonic enhancement.

**Highlights:** AUv3 compatible plugin, Combines delay, pitch shifting, and reverb, Beat-synced modulation options, Harmonic exciter and sustain section, Single-screen interface with presets, Parameter automation and tempo sync

**In-app purchases:** none


## Frequently asked questions

### Is Addictive Synth free?

Addictive Synth costs $6.99, with no in-app purchases.

### Is Shimmer AUv3 Audio Plugin free?

Shimmer AUv3 Audio Plugin costs $7.99, with no in-app purchases.

### Which has better reviews, Addictive Synth or Shimmer AUv3 Audio Plugin?

Addictive Synth is rated higher. Addictive Synth averages 4.5 out of 5 from 15 ratings, while Shimmer AUv3 Audio Plugin averages 4.2 from 31 ratings.

### Do Addictive Synth or Shimmer AUv3 Audio Plugin have ads?

Neither Addictive Synth nor Shimmer AUv3 Audio Plugin shows ads.

### Which is updated more often, Addictive Synth or Shimmer AUv3 Audio Plugin?

Addictive Synth ships an update every 4 months, and Shimmer AUv3 Audio Plugin every 8 months. Most recently, Addictive Synth was updated on June 9, 2026 and Shimmer AUv3 Audio Plugin on August 26, 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.*