# Shape Sketch vs Cranio Head Study

The clearest difference is update cadence: Cranio Head Study at every 9 days against Shape Sketch's every 9 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Shape Sketch sells 1 one-off in-app purchase and Cranio Head Study sells 5 in-app purchases, starting at $2.99 per year. Whichever you choose, the download price is not the number that matters.

Shape Sketch ships an update every 9 months, Cranio Head Study every 9 days. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Shape Sketch | Cranio Head Study |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 9 days** |
| Size | 5 MB | 159 MB |
| Requires iOS | **17.6** | 18.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [川 丁](https://appshunter.io/developer/1852666309) | [Avinash Kumawat](https://appshunter.io/developer/1552057072) |

## What reviewers say

### Shape Sketch

[App page](https://appshunter.io/ios/app/shape-sketch/id6755219454)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Shape Sketch Pro | $3.99 | one-time |


### Cranio Head Study

[App page](https://appshunter.io/ios/app/cranio-head-study/id6775111632)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Annual | $2.99 | per year |
| Pro Monthly | $2.99 | per month |
| Pro · Monthly | $4.99 | per month |
| Pro · Annual | $29.99 | per year |
| Pro · Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Shape Sketch free?

Shape Sketch is free to download, with in-app purchases available.

### Is Cranio Head Study free?

Cranio Head Study is free to download, with in-app purchases available.

### Do Shape Sketch or Cranio Head Study have ads?

Neither Shape Sketch nor Cranio Head Study shows ads.

### Which is updated more often, Shape Sketch or Cranio Head Study?

Shape Sketch ships an update every 9 months, and Cranio Head Study every 9 days. Most recently, Shape Sketch was updated on October 3, 2026 and Cranio Head Study on October 13, 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.*