# Sunrizer synth vs KORG iMono/Poly

The clearest difference is price: Sunrizer synth at $12.99 against KORG iMono/Poly's $29.99. Sunrizer synth also leads on in-app purchases (none vs 1) and rating (4.7 vs 4.3). KORG iMono/Poly's advantage is update cadence (every 2 months vs every 6 months). On ratings volume, ads, device support and iOS requirement there is nothing between them.

Sunrizer synth costs $12.99 and KORG iMono/Poly $29.99 up front. KORG iMono/Poly sells 1 one-off in-app purchase. Sunrizer synth asks for nothing beyond the download.

Sunrizer synth holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 183 and 84 respectively. Written reviews point the same way: 88% of Sunrizer synth's written reviews are positive against 62% of KORG iMono/Poly's.

Sunrizer synth ships an update every 6 months, KORG iMono/Poly every 2 months. The most recent releases landed on October 19, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Sunrizer synth | KORG iMono/Poly |
| --- | --- | --- |
| Price | **$12.99** | $29.99 |
| Rating | **[4.7 (183 ratings)](https://appshunter.io/ios/app/sunrizer-synth/id443663267/reviews)** | [4.3 (84 ratings)](https://appshunter.io/ios/app/korg-imonopoly/id1256218493/reviews) |
| Number of ratings | **183** | 84 |
| Positive reviews | **87.8% of reviews** | 62.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 28 MB | 203 MB |
| Requires iOS | 10.3 | **9.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BeepStreet](https://appshunter.io/developer/321412321) | [KORG INC.](https://appshunter.io/developer/363714046) |

## 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


### KORG iMono/Poly

[App page](https://appshunter.io/ios/app/korg-imonopoly/id1256218493)

Experience a classic analog synthesizer reborn on iOS. This app faithfully reproduces the iconic 4VCO sound engine, offering deep sound design capabilities with virtual patches and multi-effects. Seamlessly integrate it into your music production workflow.

**Highlights:** Faithful reproduction of classic 4VCO analog synthesizer, Deep sound design with extensive modulation, Eight virtual patches for expanded sound potential, Two multi-effect units, Quick access to all synth parameters, Integration with KORG Gadget

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Expansion Factory Pack | $4.99 | one-time |

**What reviewers like**

- 🎶 Great sounding synth
- ✨ Fantastic sound quality
- 🎵 Amazing features and sounds
- 💻 Excellent for Gadget integration
- 💡 Versatile for sound design

**What reviewers complain about**

- 🔌 No AUv3 support
- 🚫 Useless without AUv3
- 💸 Waste of money without AUv3
- 📉 Low output volume
- 🤏 Small controls, difficult manipulation

**Reported bugs**

- Cannot restore expansion pack
- Cannot find store tab
- Scale selection broken
- User scale does nothing
- MIDI unstable

**Requested features**

- AUv3 support
- Adaptive Cubasis 3 AUv3
- More iMPC integration
- Transfer patches to desktop VST
- Store preset files on device/flash drive


## Frequently asked questions

### Is Sunrizer synth free?

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

### Is KORG iMono/Poly free?

KORG iMono/Poly costs $29.99, and also offers in-app purchases.

### Which has better reviews, Sunrizer synth or KORG iMono/Poly?

Sunrizer synth is rated higher. Sunrizer synth averages 4.7 out of 5 from 183 ratings, while KORG iMono/Poly averages 4.3 from 84 ratings.

### Do Sunrizer synth or KORG iMono/Poly have ads?

Neither Sunrizer synth nor KORG iMono/Poly shows ads.

### Which is updated more often, Sunrizer synth or KORG iMono/Poly?

Sunrizer synth ships an update every 6 months, and KORG iMono/Poly every 2 months. Most recently, Sunrizer synth was updated on October 19, 2026 and KORG iMono/Poly on October 17, 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.*