# Sunrizer synth vs LE04 | AR

The clearest difference is price: LE04 | AR at $2.99 against Sunrizer synth's $12.99. LE04 | AR also leads on update cadence (every 3 days vs every 6 months) and chart position (#122 vs unranked). Sunrizer synth's advantage is review sentiment (88% vs 69%). On rating, ads, in-app purchases and monetization model there is nothing between them.

Sunrizer synth costs $12.99 and LE04 | AR $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.7 for Sunrizer synth against 4.8 for LE04 | AR. That said, the two scores are not equally well evidenced: LE04 | AR has 1.5K ratings behind it against 184, so its average is the more settled of the two. Written reviews are what separate them: 88% of Sunrizer synth's written reviews are positive against 69% of LE04 | AR's.

Sunrizer synth ships an update every 6 months, LE04 | AR every 3 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Sunrizer synth | LE04 | AR |
| --- | --- | --- |
| Price | $12.99 | **$2.99** |
| Rating | [4.7 (184 ratings)](https://appshunter.io/ios/app/sunrizer-synth/id443663267/reviews) | **[4.8 (1.5K ratings)](https://appshunter.io/ios/app/le04-ar-909-drum-machine/id1530586523/reviews)** |
| Number of ratings | 184 | **1.5K** |
| Positive reviews | **87.8% of reviews** | 69.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 days** |
| Monetization | Paid | Paid |
| Best chart rank | — | **#122** |
| Size | 28 MB | 25 MB |
| Requires iOS | **10.3** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BeepStreet](https://appshunter.io/developer/321412321) | [Cooperator Design](https://appshunter.io/developer/1206655266) |

## 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


### LE04 | AR

[App page](https://appshunter.io/ios/app/le04-ar-909-drum-machine/id1530586523)

**Currently charting:** #122 Top Paid · Music (US App Store)

This app emulates a classic 1980s analog drum machine, offering a hybrid synth/sample-based approach to beat creation. It provides intuitive controls for live tweaking and pattern switching, making it ideal for both studio work and live performance.

**Highlights:** Hybrid synth/sample-based drum creation, AUv3 plugin support, Intuitive controls for live tweaking, Pattern switching for live performance, Ableton Link integration, MIDI trigger and pattern support

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 🚀 Intuitive interface
- 🚀 Straightforward workflow
- 🔊 Great sound quality
- 🔊 Authentic 909 sound

**What reviewers complain about**

- 🐛 Crashes when saving patterns
- 🐛 Timing/sync issues with other apps
- 🔌 Doesn't record MIDI/audio in DAWs
- 📺 Screen doesn't fit some devices
- 🔇 Limited sound customization options

**Reported bugs**

- Crashes on startup for some users
- Volume/parameter changes not retained
- Timing issues when synced to other apps

**Requested features**

- Pattern chaining/song mode
- Ability to load custom samples
- Separate audio outputs for drums
- Longer pattern length options
- Midi learn and mapping capabilities


## Frequently asked questions

### Is Sunrizer synth free?

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

### Is LE04 | AR free?

LE04 | AR costs $2.99, with no in-app purchases.

### Which has better reviews, Sunrizer synth or LE04 | AR?

LE04 | AR is rated higher. Sunrizer synth averages 4.7 out of 5 from 184 ratings, while LE04 | AR averages 4.8 from 1.5K ratings.

### Do Sunrizer synth or LE04 | AR have ads?

Neither Sunrizer synth nor LE04 | AR shows ads.

### Which is updated more often, Sunrizer synth or LE04 | AR?

Sunrizer synth ships an update every 6 months, and LE04 | AR every 3 days. Most recently, Sunrizer synth was updated on October 26, 2026 and LE04 | AR on October 25, 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.*