# Walnut Audio vs MusicBook Pro

The clearest difference is device support: MusicBook Pro at 5 against Walnut Audio's 1. MusicBook Pro also leads on iOS requirement (17.7 vs 26.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Walnut Audio sells 2 in-app purchases, starting at $4.99 per year and MusicBook Pro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 10 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Walnut Audio | MusicBook Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | Every 10 days |
| Size | 5 MB | 188 MB |
| Requires iOS | 26.0 | **17.7** |
| Devices | iPhone | **iPhone, iPad, Mac, Apple TV, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Roi Zargari](https://appshunter.io/developer/1865254260) | [Lars Joergensen](https://appshunter.io/developer/1896770609) |

## What reviewers say

### Walnut Audio

[App page](https://appshunter.io/ios/app/walnut-audio/id6757301795)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Year Subscription 4.99$ | $4.99 | per year |
| 1 year subscription, 4.99$ | $4.99 | per year |


### MusicBook Pro

[App page](https://appshunter.io/ios/app/musicbook-pro/id6771082002)

**Features:** Siri integration, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MusicBook Pro Fullversion | $9.99 | one-time |


## Frequently asked questions

### Is Walnut Audio free?

Walnut Audio is free to download, with in-app purchases available.

### Is MusicBook Pro free?

MusicBook Pro is free to download, with in-app purchases available.

### Do Walnut Audio or MusicBook Pro have ads?

Neither Walnut Audio nor MusicBook Pro shows ads.

### Which is updated more often, Walnut Audio or MusicBook Pro?

Walnut Audio ships an update every 10 days, and MusicBook Pro every 10 days. Most recently, Walnut Audio was updated on October 25, 2026 and MusicBook Pro 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.*