# PNO Book vs Resonance Cube

The clearest difference is device support: PNO Book at 3 against Resonance Cube's 1. PNO Book also leads on iOS requirement (14.0.0 vs 16.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PNO Book ships an update weekly, Resonance Cube every 2 weeks. The most recent releases landed on October 11, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | PNO Book | Resonance Cube |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/resonance-cube/id6761551028/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | — | Free |
| Size | 58 MB | 1 MB |
| Requires iOS | **14.0.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Reginald Watkins](https://appshunter.io/developer/1774881490) | [DERRICK LAWWAH CHANSEW](https://appshunter.io/developer/1890242669) |

## What reviewers say

### PNO Book

[App page](https://appshunter.io/ios/app/pno-book/id6743553403)

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none


### Resonance Cube

[App page](https://appshunter.io/ios/app/resonance-cube/id6761551028)

Create evolving musical compositions by tapping a cube to add bouncing notes. Customize the key, chord, and instrument to shape the sound. Explore automatic sequences or free play with up to 24 voices.

**Highlights:** Interactive music generation, Customizable key, chord, and instrument, Vibraphone, piano, Rhodes, gamelan, pad, crystal bowl sounds, Automatic chord sequences, Free Play mode, Up to 24 melodic and pad voices

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PNO Book free?

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

### Is Resonance Cube free?

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

### Do PNO Book or Resonance Cube have ads?

Neither PNO Book nor Resonance Cube shows ads.

### Which is updated more often, PNO Book or Resonance Cube?

PNO Book ships an update weekly, and Resonance Cube every 2 weeks. Most recently, PNO Book was updated on October 11, 2026 and Resonance Cube 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.*