# Head Model Studio vs GridArt

Head Model Studio and GridArt both sit at 4.6 stars, but that hides the real split: 77% of Head Model Studio's written reviews are positive against 33% of GridArt's. Head Model Studio also leads on ads (none vs shown) and ratings volume (2.4K vs 176). On price, rating, in-app purchases and monetization model there is nothing between them.

Both are free to download. Head Model Studio sells 4 in-app purchases, starting at $9.00 per month and GridArt sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Head Model Studio against 4.5 for GridArt. That said, the two scores are not equally well evidenced: Head Model Studio has 2.4K ratings behind it against 176, so its average is the more settled of the two. Written reviews are what separate them: 77% of Head Model Studio's written reviews are positive against 33% of GridArt's.

Head Model Studio ships an update monthly, GridArt every 3 months. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Head Model Studio | GridArt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (2.4K ratings)](https://appshunter.io/ios/app/head-model-studio-art-study/id1527028690/reviews)** | [4.5 (176 ratings)](https://appshunter.io/ios/app/gridart-drawing-grid/id6474590995/reviews) |
| Number of ratings | **2.4K** | 176 |
| Positive reviews | **76.7% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 2.2 GB | 40 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Wes Castain](https://appshunter.io/developer/1527028692) | [Vaghani Keyur](https://appshunter.io/developer/1164464860) |

## What reviewers say

### Head Model Studio

[App page](https://appshunter.io/ios/app/head-model-studio-art-study/id1527028690)

This app provides 3D reference models for artists to study and draw faces. It offers detailed control over lighting and rendering to help users understand facial planes and tones, aiding in portrait drawing practice.

**Highlights:** 25 detailed 3D head models, Full 3D model control (zoom, tilt, rotate), Realistic environmental and studio lighting, Customizable rendering with edge outlines, Pre-made practice scenes, Study facial planes and geometry

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Access | $9.00 | per month |
| 1 Year Access | $16.00 | per year |
| 1 Year Access | $23.00 | one-time |
| Lifetime Access | $50.00 | one-time |

**What reviewers like**

- 🎨 Excellent reference tool for artists
- 🔍 Helpful for understanding head anatomy and planes
- 🔧 Customizable lighting and model features
- 💰 Reasonable subscription pricing

**What reviewers complain about**

- 💰 Premium features locked behind paywall
- 🔒 Lack of free trial to test premium content
- 🔧 Limited customization options for free users
- 🐛 Occasional technical issues with lighting and model adjustments

**Reported bugs**

- Sudden loss of model functionality after updates
- Overheating issues on some devices

**Requested features**

- Add female Loomis head models
- Expand customization options for paid users
- Implement full-body reference models
- Provide option for one-time lifetime purchase


### GridArt

[App page](https://appshunter.io/ios/app/gridart-drawing-grid/id6474590995)

This app helps artists accurately sketch or replicate images using the grid drawing technique. It overlays customizable grids on any image, offering features like sketch filters and measurement-based setup to streamline the artistic process.

**Highlights:** Drawing grid overlay on images, Diagonal grid option, Customizable grid color and opacity, Sketch filter for image simplification, Measurement-based grid setup, Zoom functionality, Convert images to black and white

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GridArt Weekly Premium | $3.99 | per 7 days |
| GridArt Monthly Premium | $12.99 | per month |


## Frequently asked questions

### Is Head Model Studio free?

Head Model Studio is free to download, with in-app purchases available.

### Is GridArt free?

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

### Which has better reviews, Head Model Studio or GridArt?

Head Model Studio is rated higher. Head Model Studio averages 4.6 out of 5 from 2.4K ratings, while GridArt averages 4.5 from 176 ratings.

### Do Head Model Studio or GridArt have ads?

GridArt shows ads; Head Model Studio does not.

### Which is updated more often, Head Model Studio or GridArt?

Head Model Studio ships an update monthly, and GridArt every 3 months. Most recently, Head Model Studio was updated on September 23, 2026 and GridArt on September 22, 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.*