Comparison

Head Model Studio vs Kulay

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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/

About

Kulay

This app helps you transform inspiration into tangible material palettes. Upload images to generate color schemes, discover curated finishes, and organize your own samples. Streamline your design process from initial concept to final selection.

Highlights
  • Extract color palettes from images
  • Discover curated material finishes
  • Organize personal material samples
  • Build moodboards with real materials
  • Streamline design workflow
Features
Read full description

Kulay helps you turn inspiration into real material palettes. Stop piecing together ideas across screenshots, samples, and tabs. Kulay brings everything into one place—so you can design with clarity using real materials. Upload inspiration images to generate palettes that reflect your aesthetic, then refine them with curated finishes from featured makers or your own saved materials. Whether you're sourcing for a project or exploring ideas, Kulay helps you move from concept to selection—seamlessly. What you can do with Kulay: Extract color palettes from inspiration images Discover curated materials across finishes, textiles, and surfaces Add and organize your own materials and samples Build moodboards using real, usable materials Streamline your design workflow from inspiration to specification Designed for interior designers, creatives, and anyone who wants to bring their ideas into the real world.

Screenshots

Head Model Studio4 screens
Kulay4 screens

Verdict

The call

The clearest difference is in-app purchases: Kulay at none against Head Model Studio's 4. Kulay also leads on rating (5.0 vs 4.6) and review sentiment (100% vs 76%). Head Model Studio's advantage is ratings volume (2.5K vs 10). On price, ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Head Model Studio sells 4 in-app purchases, starting at $9.00 per month. Kulay asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Kulay holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Head Model Studio has 2.5K ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 76% of Head Model Studio's written reviews are positive against 100% of Kulay's.

UpkeepUpdate frequency

Head Model Studio ships an update monthly, Kulay every 9 days. The most recent releases landed on October 20, 2026 and October 8, 2026 respectively.

Scorecard6 real differences · 4 level
Head Model Studio versus Kulay: the parameters behind the verdict, then further details
ParameterHead Model StudioKulay
PriceFreeFree
Rating4.6 (2.5K ratings)5.0 (10 ratings) — better
Positive reviews76.5% of reviews100.0% of reviews — better
Number of ratings2.5K — better10
Update frequencyMonthlyEvery 9 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad — betteriPhone
Requires iOS16.416.0 — better
Further details — not scored
Size2.2 GB388 MB
Age rating4+4+
DeveloperWes CastainMatthew Tuquero

Customer experience

Head Model Studio

All ratings2,416 ratings
Positive90.9%
Neutral3.6%
Negative5.5%
Written reviews234 reviews
Positive76.5%
Neutral9.4%
Negative14.1%

Kulay

All ratings10 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

Kulay

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

Head Model Studio

Subscriptions2
  • 1 Month Access$9.001 Month
  • 1 Year Access$16.001 Year
One-time2
  • 1 Year Access$23.00
  • Lifetime Access$50.00
None

Kulay

No in-app purchases

Questions

Is Head Model Studio free?
Head Model Studio is free to download, with in-app purchases available.
Is Kulay free?
Kulay is free to download, with no in-app purchases.
Which has better reviews, Head Model Studio or Kulay?
Kulay is rated higher. Head Model Studio averages 4.6 out of 5 from 2.5K ratings, while Kulay averages 5.0 from 10 ratings.
Do Head Model Studio or Kulay have ads?
Neither Head Model Studio nor Kulay shows ads.
Which is updated more often, Head Model Studio or Kulay?
Head Model Studio ships an update monthly, and Kulay every 9 days. Most recently, Head Model Studio was updated on October 20, 2026 and Kulay on October 8, 2026.

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