# Arctic ProSynth vs LH Grain Pad

The clearest difference is rating: LH Grain Pad at 4.0 against Arctic ProSynth's 3.3. LH Grain Pad also leads on price ($2.99 vs $9.99) and iOS requirement (9.0 vs 15.6). Arctic ProSynth's advantage is update cadence (every 4 months vs every 25 months) and review sentiment (71% vs 50%). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Arctic ProSynth costs $9.99 and LH Grain Pad $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

LH Grain Pad holds the better App Store score, 4.0 against 3.3. Both are backed by a comparable volume of ratings — 8 and 3 respectively. Written reviews complicate that: 71% of Arctic ProSynth's written reviews are positive against 50% of LH Grain Pad's, so the app with the better star average is not the one people write more warmly about.

Arctic ProSynth ships an update every 4 months, LH Grain Pad every 25 months. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Arctic ProSynth | LH Grain Pad |
| --- | --- | --- |
| Price | $9.99 | **$2.99** |
| Rating | [3.3 (8 ratings)](https://appshunter.io/ios/app/arctic-prosynth/id676870971/reviews) | **[4.0 (3 ratings)](https://appshunter.io/ios/app/lh-grain-pad/id926167601/reviews)** |
| Number of ratings | **8** | 3 |
| Positive reviews | **71.4% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 25 months |
| Monetization | Paid | Paid |
| Size | 47 MB | 34 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [One Red Dog Media Pty Ltd](https://appshunter.io/developer/398933972) | [昊 刘](https://appshunter.io/developer/652348004) |

## What reviewers say

### Arctic ProSynth

[App page](https://appshunter.io/ios/app/arctic-prosynth/id676870971)

Create bold and tough electronic music with a modern subtractive synthesizer. Explore rich sound design with powerful oscillators, dual filters, and versatile effects. Record and share your creations easily.

**Highlights:** HyperOscillators for fat sounds, Dual multi-mode filters, Master effects with adjustable order, Integrated Vocoder, 16x4 gated step sequencer, Live audio and MIDI recording, Preset and bank sharing

**In-app purchases:** none


### LH Grain Pad

[App page](https://appshunter.io/ios/app/lh-grain-pad/id926167601)

This app is a powerful granular synthesizer with two independent channels for creating unique sound textures. It offers extensive control over grain parameters, built-in samples, and a variety of audio effects for complex sound design. Ideal for both live performance and studio production.

**Highlights:** Dual independent granular channels, 8 amplitude envelopes, Built-in sample library, Extensive audio effects suite, Touchpad grain control, Customizable pitch bar, OSC message support, Audio recorder

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Arctic ProSynth free?

Arctic ProSynth costs $9.99, with no in-app purchases.

### Is LH Grain Pad free?

LH Grain Pad costs $2.99, with no in-app purchases.

### Which has better reviews, Arctic ProSynth or LH Grain Pad?

LH Grain Pad is rated higher. Arctic ProSynth averages 3.3 out of 5 from 8 ratings, while LH Grain Pad averages 4.0 from 3 ratings.

### Do Arctic ProSynth or LH Grain Pad have ads?

Neither Arctic ProSynth nor LH Grain Pad shows ads.

### Which is updated more often, Arctic ProSynth or LH Grain Pad?

Arctic ProSynth ships an update every 4 months, and LH Grain Pad every 25 months. Most recently, Arctic ProSynth was updated on October 15, 2026 and LH Grain Pad on October 13, 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.*