# Liquid Piano vs PistonLink

The clearest difference is in-app purchases: PistonLink at none against Liquid Piano's 1. Liquid Piano's advantage is iOS requirement (15.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Liquid Piano sells 1 one-off in-app purchase. PistonLink asks for nothing beyond the download.

Liquid Piano ships an update weekly, PistonLink every 6 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | Liquid Piano | PistonLink |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pistonlink/id6768714643/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 6 days** |
| Monetization | — | Free |
| Size | 175 MB | 19 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Luis Carrasco](https://appshunter.io/developer/1870928932) | [Greg Nelson](https://appshunter.io/developer/1896598748) |

## What reviewers say

### Liquid Piano

[App page](https://appshunter.io/ios/app/liquid-piano/id6758108114)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Full Access | $3.99 | one-time |


### PistonLink

[App page](https://appshunter.io/ios/app/pistonlink/id6768714643)

Instantly save and deploy organ registration profiles to your instrument's memory pistons via MIDI. Features hands-free PDF page turns and AI-powered hymn registration suggestions.

**Highlights:** Save and deploy organ registration profiles, MIDI SysEx integration for piston memory, Hands-free PDF page turning via wink gestures, Curated stop suggestions for hymns, AI-powered hymn registration suggestions, Access organ voice palettes directly

**In-app purchases:** none


## Frequently asked questions

### Is Liquid Piano free?

Liquid Piano is free to download, with in-app purchases available.

### Is PistonLink free?

PistonLink is free to download, with no in-app purchases.

### Do Liquid Piano or PistonLink have ads?

Neither Liquid Piano nor PistonLink shows ads.

### Which is updated more often, Liquid Piano or PistonLink?

Liquid Piano ships an update weekly, and PistonLink every 6 days. Most recently, Liquid Piano was updated on October 28, 2026 and PistonLink on October 28, 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.*