# iProphet Synthesizer vs Zeeon synth

The clearest difference is rating: Zeeon synth at 4.8 against iProphet Synthesizer's 3.6. Zeeon synth also leads on review sentiment (76% vs 34%) and update cadence (every 2 months vs every 5 months). iProphet Synthesizer's advantage is in-app purchases (none vs 3) and price ($9.99 vs $14.99). On ads there is nothing between them.

iProphet Synthesizer costs $9.99 and Zeeon synth $14.99 up front. Zeeon synth sells 3 one-off in-app purchases. iProphet Synthesizer asks for nothing beyond the download.

Zeeon synth holds the better App Store score, 4.8 against 3.6. That said, the two scores are not equally well evidenced: Zeeon synth has 209 ratings behind it against 32, so its average is the more settled of the two. Written reviews point the same way: 34% of iProphet Synthesizer's written reviews are positive against 76% of Zeeon synth's.

iProphet Synthesizer ships an update every 5 months, Zeeon synth every 2 months. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | iProphet Synthesizer | Zeeon synth |
| --- | --- | --- |
| Price | **$9.99** | $14.99 |
| Rating | [3.6 (32 ratings)](https://appshunter.io/ios/app/iprophet-synthesizer/id898449685/reviews) | **[4.8 (209 ratings)](https://appshunter.io/ios/app/zeeon-synth/id1230960440/reviews)** |
| Number of ratings | 32 | **209** |
| Positive reviews | 34.0% of reviews | **76.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 85 MB | 27 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Arturia](https://appshunter.io/developer/549089551) | [BeepStreet](https://appshunter.io/developer/321412321) |

## What reviewers say

### iProphet Synthesizer

[App page](https://appshunter.io/ios/app/iprophet-synthesizer/id898449685)

This app emulates the classic Sequential Circuits Prophet VS synthesizer, offering its unique digital sound. Sculpt sounds with four digital oscillators, a multimode filter, and extensive modulation options. It includes over 500 presets and integrates with other music production tools.

**Highlights:** Vector screen with joysticks, Modulation Matrix, 3 DSP effects, 96 waveforms, 4 filter types, Vector envelope, Unison/detune

**In-app purchases:** none

**What reviewers like**

- 🎵 Authentic Prophet VS sound quality and character
- 🎹 Deep modulation matrix with vector synthesis capabilities
- 🎚️ Extensive preset library with diverse sounds
- 🎨 Intuitive visual interface and design
- 💰 Affordable price point for feature set

**What reviewers complain about**

- 🐛 Persistent audio distortion and crackling issues
- 🐛 Frequent crashes and app freezes
- 🔌 Poor inter-app audio (IAA) and Audiobus integration
- 🔋 Excessive battery drain in background
- ⚠️ Abandoned by developer with no updates

**Reported bugs**

- Audio distortion and crackling in all presets
- App crashes on iOS 14+ versions
- Inter-app audio (IAA) connection requires multiple restarts
- Preset changes cause app freezes and audio cutouts
- Stuck and hanging notes when sliding on keyboard

**Requested features**

- AUv3 plugin support for Logic Pro and other DAWs
- Ability to save custom patches and presets
- Velocity and aftertouch MIDI support
- MIDI control for joystick parameter
- User-defined waveform creation


### 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 iProphet Synthesizer free?

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

### Is Zeeon synth free?

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

### Which has better reviews, iProphet Synthesizer or Zeeon synth?

Zeeon synth is rated higher. iProphet Synthesizer averages 3.6 out of 5 from 32 ratings, while Zeeon synth averages 4.8 from 209 ratings.

### Do iProphet Synthesizer or Zeeon synth have ads?

Neither iProphet Synthesizer nor Zeeon synth shows ads.

### Which is updated more often, iProphet Synthesizer or Zeeon synth?

iProphet Synthesizer ships an update every 5 months, and Zeeon synth every 2 months. Most recently, iProphet Synthesizer was updated on October 15, 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.*