# PNO Book vs Crunch001

The clearest difference is device support: PNO Book at 3 against Crunch001's 1. PNO Book also leads on iOS requirement (14.0.0 vs 17.0). 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, Crunch001 every 6 days. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | PNO Book | Crunch001 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 6 days** |
| Size | 58 MB | 2 MB |
| Requires iOS | **14.0.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Reginald Watkins](https://appshunter.io/developer/1774881490) | [Ashish Minocha](https://appshunter.io/developer/1881964102) |

## 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


### Crunch001

[App page](https://appshunter.io/ios/app/crunch001/id6761726559)

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

**In-app purchases:** none


## Frequently asked questions

### Is PNO Book free?

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

### Is Crunch001 free?

Crunch001 is free to download, with no in-app purchases.

### Do PNO Book or Crunch001 have ads?

Neither PNO Book nor Crunch001 shows ads.

### Which is updated more often, PNO Book or Crunch001?

PNO Book ships an update weekly, and Crunch001 every 6 days. Most recently, PNO Book was updated on October 30, 2026 and Crunch001 on November 9, 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.*