# Phase84 vs Zeeon synth

The clearest difference is rating: Zeeon synth at 4.8 against Phase84's 3.8. Zeeon synth also leads on update cadence (every 2 months vs every 26 months) and review sentiment (76% vs 57%). Phase84's advantage is in-app purchases (none vs 3) and price ($12.99 vs $14.99). On ads and device support there is nothing between them.

Phase84 costs $12.99 and Zeeon synth $14.99 up front. Zeeon synth sells 3 one-off in-app purchases. Phase84 asks for nothing beyond the download.

Zeeon synth holds the better App Store score, 4.8 against 3.8. That said, the two scores are not equally well evidenced: Zeeon synth has 209 ratings behind it against 41, so its average is the more settled of the two. Written reviews point the same way: 57% of Phase84's written reviews are positive against 76% of Zeeon synth's.

Phase84 ships an update every 26 months, Zeeon synth every 2 months. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Phase84 | Zeeon synth |
| --- | --- | --- |
| Price | **$12.99** | $14.99 |
| Rating | [3.8 (41 ratings)](https://appshunter.io/ios/app/phase84/id940880314/reviews) | **[4.8 (209 ratings)](https://appshunter.io/ios/app/zeeon-synth/id1230960440/reviews)** |
| Number of ratings | 41 | **209** |
| Positive reviews | 56.5% of reviews | **75.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 2 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 33 MB | 27 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Retronyms Inc](https://appshunter.io/developer/307726643) | [BeepStreet](https://appshunter.io/developer/321412321) |

## What reviewers say

### Phase84

[App page](https://appshunter.io/ios/app/phase84/id940880314)

This app is a powerful phase distortion synthesizer that blends digital grit with analog warmth. It offers over 100 presets for various sounds and integrates with other music apps for a modular workflow.

**Highlights:** Over 100 presets, MIDI support, Inter-App Audio support, Tabletop Ready App integration, Advanced Keyboard section, Expressive Perform Mode, Stereo delay with loss modeling

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Zeeon synth

[App page](https://appshunter.io/ios/app/zeeon-synth/id1230960440)

This app is a virtual analog synthesizer that recreates the sound and feel of classic hardware. It features a detailed circuit-modeling engine, powerful modulation, and multiple filter models for rich, organic soundscapes. Explore a vast array of presets and expand your sonic palette with additional sound banks.

**Highlights:** Circuit-modeling engine, Powerful modulation matrix, Dual oscillators with variable waveforms, Multiple filter models, Built-in effects unit, Audio Unit v3 support, Polyphonic step sequencer

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OI - Exploration Vol. 1 | $3.99 | one-time |
| BB Z-Space | $4.99 | one-time |
| BB Synthwave | $4.99 | one-time |

**What reviewers like**

- 🎨 Excellent sound quality
- 🎹 Intuitive and well-designed interface
- 🔧 Flexible and deep sound design capabilities
- 💻 Seamless integration as an AUv3 plugin
- 🎚️ Smooth and responsive controls

**What reviewers complain about**

- 🐛 Stability issues, crashes on some devices
- 🔌 Compatibility problems with newer iOS versions
- 📂 Preset management could be improved
- 🔀 Lack of MIDI learn and sequencer features
- 🖥️ UI scaling issues on larger iPad displays

**Reported bugs**

- Preset settings not retained after app restart
- Synth reverts to default settings when reopening Logic Pro project
- Crashes and freezes on certain iOS 14+ devices
- Inability to access in-app purchases from within the app

**Requested features**

- Add MIDI learn functionality
- Implement a more robust preset management system
- Include a built-in sequencer with save/load capabilities
- Improve UI scaling and layout for larger iPad screens
- Provide better integration with inter-app audio and Audiobus


## Frequently asked questions

### Is Phase84 free?

Phase84 costs $12.99, with no in-app purchases.

### Is Zeeon synth free?

Zeeon synth costs $14.99, and also offers in-app purchases.

### Which has better reviews, Phase84 or Zeeon synth?

Zeeon synth is rated higher. Phase84 averages 3.8 out of 5 from 41 ratings, while Zeeon synth averages 4.8 from 209 ratings.

### Do Phase84 or Zeeon synth have ads?

Neither Phase84 nor Zeeon synth shows ads.

### Which is updated more often, Phase84 or Zeeon synth?

Phase84 ships an update every 26 months, and Zeeon synth every 2 months. Most recently, Phase84 was updated on October 7, 2026 and Zeeon synth on October 16, 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.*