# Nook vs Bracelet Sizer & Chart

The clearest difference is in-app purchases: Nook at none against Bracelet Sizer & Chart's 1. Nook also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Bracelet Sizer & Chart sells 1 one-off in-app purchase. Nook asks for nothing beyond the download.

Nook ships an update every 14 months, Bracelet Sizer & Chart every 9 months. The most recent releases landed on October 14, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Nook | Bracelet Sizer & Chart |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 9 months** |
| Size | 50 MB | 31 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HAVONA MANAGEMENT SDN BHD](https://appshunter.io/developer/1891548192) | [Arsosa Network Inc.](https://appshunter.io/developer/1209042440) |

## What reviewers say

### Nook

[App page](https://appshunter.io/ios/app/nook-u/id6741563330)

**Features:** macOS Compatibility

**In-app purchases:** none


### Bracelet Sizer & Chart

[App page](https://appshunter.io/ios/app/bracelet-sizer-and-chart/id6755411890)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads Forever | $3.99 | one-time |


## Frequently asked questions

### Is Nook free?

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

### Is Bracelet Sizer & Chart free?

Bracelet Sizer & Chart is free to download, with in-app purchases available.

### Do Nook or Bracelet Sizer & Chart have ads?

Neither Nook nor Bracelet Sizer & Chart shows ads.

### Which is updated more often, Nook or Bracelet Sizer & Chart?

Nook ships an update every 14 months, and Bracelet Sizer & Chart every 9 months. Most recently, Nook was updated on October 14, 2026 and Bracelet Sizer & Chart on October 23, 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.*