Head Model Studio vs GridArt
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Head Model Studio
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.
- 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
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Draw better portraits with Head Model Studio. Study faces in detail from simple planes to complex geometry. It is the best iOS / iPadOS application to learn and study faces in detail. Take your sketches to the next level. INSPIRED BY FAMOUS TECHNIQUES Inspired by master methodologies, Head Model Studio comes with 25 different models, including 2 free. From simple to more detailed models, progress easily by understanding the planes of the face. Expand your practice with 5 classical models. COMPLETE CONTROL You have complete control over the 3D models. Zoom, tilt, and rotate to study each part of the model at will. ENVIRONMENTAL & STUDIO LIGHTING Realistic environmental lighting based on HDR photos, recreate a sunrise, midday, or sunset illumination. Switch to Studio Lighting to create amazing lighting composition with multiple spotlights and different colors. Change the lighting to be at any angle or intensity. Perfect to study the planes of the head and understand tones. CUSTOMISABLE RENDERING The edge outline highlights the planes for easier practice. Turn it off once comfortable and practice in a more realistic setting. Modify the shininess for a different material rendering. PRE-MADE PRACTICE Want to learn to draw but unsure where or how to start? We’ve created a bunch of scenes to get you started. PRICING Head Model Studio offers a couple of free models. A premium access is required to access the rest of the models. Lifetime and Yearly (non-recurring) options are available. WE LOVE FEEDBACK I love coding and drawing, feel free to reach out, and tell me what feature you'd love to see in the app. Terms & Conditions: https://headmodelstudio.com/terms-conditions/
GridArt
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.
- 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
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With precision and confidence using GridArt – a powerful tool that helps artists accurately sketch or replicate images using the classic grid drawing technique. Whether you're an aspiring artist or a seasoned professional, GridArt streamlines the process of transferring images to your canvas by guiding you square by square. With a range of customization options, GridArt makes it easier than ever to overlay grids, adjust cell sizes, apply sketch filters, and prepare reference images for drawing, painting, or other artistic work. Key Features: * Drawing grid overlay on any image * Diagonal grid option for improved outline accuracy * Multiple grid label styles * Customizable grid color, opacity, and text size * Sketch filter to simplify image details * Measurement-based grid setup (mm, cm, inch) * Zoom functionality for detailed viewing * Adjustable cell and page sizes * Convert images to black and white * Crop images to specific aspect ratios * Enable or disable row-column labels with customizable formatting Privacy Policy: https://chief-cheque-627.notion.site/Privacy-Policy-23e6adfdb3748140a9e5f78e9ce25995 Terms of Use: https://chief-cheque-627.notion.site/Terms-of-Use-23e6adfdb3748151be23f39dcfb13f59
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Head Model Studio | GridArt |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (2.4K ratings) — better | 4.5 (176 ratings) |
| Positive reviews | 76.7% of reviews — better | 33.3% of reviews |
| Number of ratings | 2.4K — better | 176 |
| Update frequency | Monthly — better | Every 3 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 15.0 — better |
| Further details — not scored | ||
| Size | 2.2 GB | 40 MB |
| Age rating | 4+ | 17+ |
| Developer | Wes Castain | Vaghani Keyur |
Customer experience
Head Model Studio
GridArt
Bugs and requests
Head Model Studio
Reported bugs
2 issues- Sudden loss of model functionality after updates
- Overheating issues on some devices
Requested features
4 requests- Add female Loomis head models
- Expand customization options for paid users
- Implement full-body reference models
- Provide option for one-time lifetime purchase
GridArt
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Head Model Studio
- 1 Month Access$9.001 Month
- 1 Year Access$16.001 Year
- 1 Year Access$23.00
- Lifetime Access$50.00
GridArt
- GridArt Weekly Premium$3.997 Days
- GridArt Monthly Premium3 Days trial$12.991 Month









