# SunVox vs OP

The clearest difference is review sentiment: SunVox at 93% against OP's 47%. SunVox also leads on rating (4.9 vs 4.2). OP's advantage is price (Free vs $5.99). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

OP is free to download; SunVox costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SunVox holds the better App Store score, 4.9 against 4.2. Both are backed by a comparable volume of ratings — 336 and 116 respectively. Written reviews point the same way: 93% of SunVox's written reviews are positive against 47% of OP's.

SunVox ships an update monthly, OP every 6 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SunVox | OP |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[4.9 (336 ratings)](https://appshunter.io/ios/app/sunvox/id324462544/reviews)** | [4.2 (116 ratings)](https://appshunter.io/ios/app/op-z/id1088232296/reviews) |
| Number of ratings | **336** | 116 |
| Positive reviews | **93.4% of reviews** | 47.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Paid | **Free** |
| Size | 110 MB | 127 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Zolotov](https://appshunter.io/developer/324462547) | [Teenage Engineering](https://appshunter.io/developer/582616768) |

## What reviewers say

### SunVox

[App page](https://appshunter.io/ios/app/sunvox/id324462544)

This is a powerful, cross-platform modular synthesizer and pattern-based music sequencer. It offers a wide range of built-in synthesizers, effects, and sample support for creating complex musical compositions.

**Highlights:** Modular interface, Pattern-based sequencer, Microtonal sequencing, Sample import (WAV, AIFF, XI), XM and MOD import, MIDI import/export, Built-in synthesizers and effects

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Powerful modular synth and tracker
- 🔧 Highly configurable and flexible
- 🎨 Excellent for sound design and music creation
- 💻 Cross-platform (desktop, mobile, embedded)
- 💰 Great value for money

**What reviewers complain about**

- 📚 Steep learning curve, not beginner-friendly
- 📱 UI can feel cramped on smaller screens
- 🐛 Occasional crashes and stability issues
- 🔇 Lack of built-in effects like compression and limiting

**Reported bugs**

- Compatibility issues with newer iOS versions
- Inconsistent behavior when importing/exporting projects

**Requested features**

- Improved file management and organization
- Expanded MIDI and automation capabilities
- Ability to create and save custom module presets
- More intuitive and streamlined user interface
- Support for external MIDI controllers and keyboards


### OP

[App page](https://appshunter.io/ios/app/op-z/id1088232296)

This app provides a wireless screen for the OP-Z synthesizer, displaying real-time musical data like mixer levels and effect amounts. It enhances interaction with multi-touch controls for simultaneous adjustments and a smooth touchpad for effects.

**Highlights:** Wireless screen for OP-Z, Real-time data visualization, Mixer level monitoring, Effect level monitoring, Multi-touch mixer control, Touchpad for effects/filters

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Well-designed software
- 💡 Visual elements are great
- 👍 Easy to use companion app
- 🚀 Fast Bluetooth connection (sometimes)
- 👍 Informative and clear layout

**What reviewers complain about**

- 🐛 Frequent connection issues
- 🐛 App crashes often
- 🐛 Incompatible with older iOS
- 🐛 Hardware manufacturing defects
- 🐛 Unreliable Bluetooth connectivity

**Reported bugs**

- Manufacturing defects
- App crashes when using videoout feature
- App crashes or hangs with HDMI output
- Unable to connect through Bluetooth or adapter
- App no longer connects after getting a new iPad

**Requested features**

- Make compatible for older iOS
- Offline guide available
- Add clear dial metrics
- Import sound plugs via app
- Add own Unity graphics


## Frequently asked questions

### Is SunVox free?

SunVox costs $5.99, with no in-app purchases.

### Is OP free?

OP is free to download, with no in-app purchases.

### Which has better reviews, SunVox or OP?

SunVox is rated higher. SunVox averages 4.9 out of 5 from 336 ratings, while OP averages 4.2 from 116 ratings.

### Do SunVox or OP have ads?

Neither SunVox nor OP shows ads.

### Which is updated more often, SunVox or OP?

SunVox ships an update monthly, and OP every 6 weeks. Most recently, SunVox was updated on October 27, 2026 and OP 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.*