# LH Grain Pad vs Harmonica Tuner Pro

The clearest difference is rating: LH Grain Pad at 4.0 against Harmonica Tuner Pro's 3.3. LH Grain Pad also leads on price ($2.99 vs $3.99) and iOS requirement (9.0 vs 12.0). Harmonica Tuner Pro's advantage is update cadence (fortnightly vs every 25 months) and review sentiment (68% vs 50%). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

LH Grain Pad costs $2.99 and Harmonica Tuner Pro $3.99 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 — 4 and 6 respectively. Written reviews complicate that: 50% of LH Grain Pad's written reviews are positive against 68% of Harmonica Tuner Pro's, so the app with the better star average is not the one people write more warmly about.

LH Grain Pad ships an update every 25 months, Harmonica Tuner Pro fortnightly. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | LH Grain Pad | Harmonica Tuner Pro |
| --- | --- | --- |
| Price | **$2.99** | $3.99 |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/lh-grain-pad/id926167601/reviews)** | [3.3 (6 ratings)](https://appshunter.io/ios/app/harmonica-tuner-pro/id1200231226/reviews) |
| Number of ratings | 4 | **6** |
| Positive reviews | 50.0% of reviews | **68.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Fortnightly** |
| Monetization | Paid | Paid |
| Size | 34 MB | 13 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [昊 刘](https://appshunter.io/developer/652348004) | [Jacek Teska](https://appshunter.io/developer/967335436) |

## What reviewers say

### 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


### Harmonica Tuner Pro

[App page](https://appshunter.io/ios/app/harmonica-tuner-pro/id1200231226)

This app assists harmonica players in tuning their instruments. It listens to sounds, displays frequencies and notes, and indicates accuracy with color-coding. Users can define custom harmonicas and record audio-visual feedback.

**Highlights:** Precise tuning algorithm, Supports multiple harmonica keys, Customizable harmonica definitions, Note accuracy indicator, Audio and screen recording, Save and share recordings

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is LH Grain Pad free?

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

### Is Harmonica Tuner Pro free?

Harmonica Tuner Pro costs $3.99, with no in-app purchases.

### Which has better reviews, LH Grain Pad or Harmonica Tuner Pro?

LH Grain Pad is rated higher. LH Grain Pad averages 4.0 out of 5 from 4 ratings, while Harmonica Tuner Pro averages 3.3 from 6 ratings.

### Do LH Grain Pad or Harmonica Tuner Pro have ads?

Neither LH Grain Pad nor Harmonica Tuner Pro shows ads.

### Which is updated more often, LH Grain Pad or Harmonica Tuner Pro?

LH Grain Pad ships an update every 25 months, and Harmonica Tuner Pro fortnightly. Most recently, LH Grain Pad was updated on October 24, 2026 and Harmonica Tuner Pro on October 26, 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.*