# Head Study vs Zolly

The clearest difference is price: Zolly at Free against Head Study's $7.99. Zolly also leads on review sentiment (100% vs 78%) and rating (5.0 vs 4.8). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Zolly is free to download; Head Study costs $7.99 up front. Head Study sells 1 one-off in-app purchase and Zolly sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Zolly holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 34 and 17 respectively. Written reviews point the same way: 78% of Head Study's written reviews are positive against 100% of Zolly's.

## The numbers

| Metric | Head Study | Zolly |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | [4.8 (34 ratings)](https://appshunter.io/ios/app/head-study/id1623609206/reviews) | **[5.0 (17 ratings)](https://appshunter.io/ios/app/zolly-perspective-models/id6736867463/reviews)** |
| Number of ratings | **34** | 17 |
| Positive reviews | 77.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 342 MB | 485 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Stephen Bauman Artwork](https://appshunter.io/developer/1623609208) | [Proko](https://appshunter.io/developer/976907261) |

## What reviewers say

### Head Study

[App page](https://appshunter.io/ios/app/head-study/id1623609206)

This app provides artists with a 3D reference for understanding human anatomy and facial forms. It features simplified planes, a skull model, and adjustable lighting to aid in portraiture studies. Enhance your knowledge of the human form by exploring what lies beneath the surface.

**Highlights:** Simplified planes of the head model, Anatomically correct male skull model, 360-degree 3D model manipulation, Adjustable lighting, Switchable anatomical views, Informational overlay with structural insights

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Female Planes + Skull | $4.99 | one-time |


### Zolly

[App page](https://appshunter.io/ios/app/zolly-perspective-models/id6736867463)

Learn dynamic perspective drawing by manipulating camera angles and object proximity. Explore ready-made models and primitive shapes to understand and experiment with perspective distortion for exciting visual effects.

**Highlights:** Learn perspective drawing, Dynamic perspective manipulation, Camera control for distortion, Ready-made and primitive models, Grid lines and ground planes, Understand position and proximity

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| XYZ Forms | $1.99 | one-time |
| Vehicle Pack | $4.99 | one-time |
| Buildings Pack | $4.99 | one-time |
| Home Props Pack | $4.99 | one-time |
| Work Props Pack | $4.99 | one-time |


## Frequently asked questions

### Is Head Study free?

Head Study costs $7.99, and also offers in-app purchases.

### Is Zolly free?

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

### Which has better reviews, Head Study or Zolly?

Zolly is rated higher. Head Study averages 4.8 out of 5 from 34 ratings, while Zolly averages 5.0 from 17 ratings.

### Do Head Study or Zolly have ads?

Neither Head Study nor Zolly shows ads.

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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.*