# Sunrizer synth vs Pure Acid

The clearest difference is in-app purchases: Sunrizer synth at none against Pure Acid's 2. Sunrizer synth also leads on price ($12.99 vs $14.99) and iOS requirement (10.3 vs 13.0). Pure Acid's advantage is update cadence (every 3 weeks vs every 6 months) and rating (4.9 vs 4.7). On review sentiment, ratings volume, ads and device support there is nothing between them.

Sunrizer synth costs $12.99 and Pure Acid $14.99 up front. Pure Acid sells 2 one-off in-app purchases. Sunrizer synth asks for nothing beyond the download.

Pure Acid holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 184 and 169 respectively. Written reviews point the same way: 88% of Sunrizer synth's written reviews are positive against 94% of Pure Acid's.

Sunrizer synth ships an update every 6 months, Pure Acid every 3 weeks. Both last shipped on October 22, 2026.

## The numbers

| Metric | Sunrizer synth | Pure Acid |
| --- | --- | --- |
| Price | **$12.99** | $14.99 |
| Rating | [4.7 (184 ratings)](https://appshunter.io/ios/app/sunrizer-synth/id443663267/reviews) | **[4.9 (169 ratings)](https://appshunter.io/ios/app/pure-acid/id1481283602/reviews)** |
| Number of ratings | **184** | 169 |
| Positive reviews | 87.8% of reviews | **94.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 28 MB | 44 MB |
| Requires iOS | **10.3** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BeepStreet](https://appshunter.io/developer/321412321) | [Dmitrij Pavlov](https://appshunter.io/developer/478154322) |

## What reviewers say

### Sunrizer synth

[App page](https://appshunter.io/ios/app/sunrizer-synth/id443663267)

This virtual analog synthesizer offers a rich, warm sound with advanced features like SuperSaw emulation and morphing parameter control. It integrates seamlessly with MIDI hardware and sequencers, providing a professional-grade sound design experience on iOS.

**Highlights:** SuperSaw sound emulation, Dual filters with configurable routing, Morph Group for parameter control, CoreMidi and background audio support, Multi-mode oscillator multiplication, Microtuning support

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

**In-app purchases:** none

**What reviewers like**

- 🎨 Exceptional sound quality
- 👍 Intuitive and easy-to-use interface
- 🎹 Powerful and flexible synth engine
- 💡 Excellent preset library
- 🎚️ Comprehensive modulation and effects

**What reviewers complain about**

- 🐛 Occasional crashes and glitches
- 🔌 Compatibility issues with certain DAWs
- 🔇 Limited audio export options
- 🧭 Confusing preset management

**Reported bugs**

- Synth freezes when loading certain presets
- Inconsistent behavior when using multiple instances
- Graphical issues on newer iPad models

**Requested features**

- Improved MIDI integration and control
- Expanded arpeggiator and sequencing capabilities
- More advanced sound design tools
- Ability to save custom tunings


### Pure Acid

[App page](https://appshunter.io/ios/app/pure-acid/id1481283602)

This app is a high-quality bassline synthesizer and drum machine inspired by classic 80s hardware. It offers a retro analog sound with modern features for fast and fun music creation. Explore various genres with factory presets and create unique rhythms and basslines.

**Highlights:** AUv3, Ableton Link, AudioBus, IAA support, Classic bassline waveforms (Saw, Pulse), Distortion and filter LFO effects, 32-step sequencer with pattern editing, 16 independent drum parts with customizable sounds, Realtime master effects with XY-pad

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ukrainian style color scheme | $4.99 | one-time |
| Ukrainian style app icon | $4.99 | one-time |

**What reviewers like**

- 🚀 Powerful and feature-rich
- 👍 Intuitive and easy to use
- 🎶 Excellent sound quality
- 🎛️ Great sequencing and programming capabilities
- 🔌 Seamless integration with other apps and hardware

**What reviewers complain about**

- 🐛 Occasional audio cutoff or sync issues
- 🔍 Lack of detailed documentation or tutorials
- 🔀 Limitations in pattern length and drum sequencing

**Reported bugs**

- GUI scaling issues on smaller devices
- Crashes or freezes on certain devices

**Requested features**

- Ability to import MIDI files
- Standalone drum machine mode
- Expanded drum sample library
- Knob/parameter automation recording


## Frequently asked questions

### Is Sunrizer synth free?

Sunrizer synth costs $12.99, with no in-app purchases.

### Is Pure Acid free?

Pure Acid costs $14.99, and also offers in-app purchases.

### Which has better reviews, Sunrizer synth or Pure Acid?

Pure Acid is rated higher. Sunrizer synth averages 4.7 out of 5 from 184 ratings, while Pure Acid averages 4.9 from 169 ratings.

### Do Sunrizer synth or Pure Acid have ads?

Neither Sunrizer synth nor Pure Acid shows ads.

### Which is updated more often, Sunrizer synth or Pure Acid?

Sunrizer synth ships an update every 6 months, and Pure Acid every 3 weeks. Most recently, Sunrizer synth was updated on October 22, 2026 and Pure Acid on October 22, 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.*