Comparison

Head Model Studio vs Orange Chart

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

Master portrait drawing with detailed 3D head models. Study facial planes and geometry with customizable lighting and rendering options. Perfect for artists looking to elevate their sketching skills.

Highlights
  • Detailed 3D head models
  • Plane and geometry study
  • Customizable lighting (environmental & studio)
  • Adjustable rendering (edge outline, shininess)
  • Pre-made practice scenes
  • Zoom, tilt, and rotate controls
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

Orange Chart

Create relationship diagrams, mind maps, and character charts with an easy-to-use tool. Organize ideas, plan stories, or map family connections. Offers offline functionality and private data storage.

Highlights
  • Create relationship diagrams
  • Mind mapping functionality
  • Character chart creation
  • List editing and grouping
  • Offline and private data
  • PNG and PDF export (premium)
Features
Read full description

Orange Chart is a powerful yet easy-to-use tool for creating relationship diagrams, mind maps, and character charts. Whether you’re planning a story, mapping family relationships, or organizing ideas for a project, Orange Chart makes it simple. LIST EDITING & GROUPING Quickly add profiles with images, notes, and relationship links. Group related people or ideas for better clarity. AUTO LAYOUT & MANUAL LAYOUT(Premium Feature)
 Instantly arrange charts automatically, or fine-tune the layout manually with the premium upgrade for a perfect look. ARROW & LINE STYLING Create beautiful, clear visuals that adapt as your diagram grows. OFFLINE & PRIVATE Works completely offline. Your data stays on your device — no AI or cloud storage. PNG EXPORT & PDF EXPORT(Premium Feature) Share professional-quality charts as PDF files. Watermark removal is now available (Premium feature) REMOVE ADS(Premium Feature) Hides all ads within the app. SAVE LIMIT Relationship Charts: 3 (Unlimited with Premium) Profiles: 30 Keywords: 10 (Unlimited with Premium) Clusters: 10 Perfect for story writers, teachers, project managers, game developers, and anyone who needs a visual organizer. Start building your relationship charts today with Orange Chart — fast, flexible, and fully offline.

Screenshots

Head Model Studio4 screens
Orange Chart4 screens

Verdict

The call

The clearest difference is rating: Head Model Studio at 4.6 against Orange Chart's 3.9. Head Model Studio also leads on ads (none vs shown) and ratings volume (2.5K vs 8). Orange Chart's advantage is update cadence (every 2 weeks vs monthly). On price, review sentiment, 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

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 and Orange Chart sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Head Model Studio holds the better App Store score, 4.6 against 3.9. That said, the two scores are not equally well evidenced: Head Model Studio has 2.5K ratings behind it against 8, 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 75% of Orange Chart's.

UpkeepUpdate frequency

Head Model Studio ships an update monthly, Orange Chart every 2 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 6 level
Head Model Studio versus Orange Chart: the parameters behind the verdict, then further details
ParameterHead Model StudioOrange Chart
PriceFreeFree
Rating4.6 (2.5K ratings) — better3.9 (8 ratings)
Positive reviews76.4% of reviews — better75.0% of reviews
Number of ratings2.5K — better8
Update frequencyMonthlyEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.415.0 — better
Further details — not scored
Size2.2 GB33 MB
Age rating4+17+
DeveloperWes CastainChizuru Kondo

Customer experience

Head Model Studio

All ratings2,464 ratings
Positive90.8%
Neutral3.6%
Negative5.6%
Written reviews237 reviews
Positive76.4%
Neutral9.3%
Negative14.3%

Orange Chart

All ratings8 ratings
Positive75.0%
Neutral12.5%
Negative12.5%
Written reviews8 reviews
Positive75.0%
Neutral25.0%
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

Orange Chart

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
1 purchases

Orange Chart

One-time1
  • Premium$9.99

Questions

Is Head Model Studio free?
Head Model Studio is free to download, with in-app purchases available.
Is Orange Chart free?
Orange Chart is free to download, with in-app purchases available.
Which has better reviews, Head Model Studio or Orange Chart?
Head Model Studio is rated higher. Head Model Studio averages 4.6 out of 5 from 2.5K ratings, while Orange Chart averages 3.9 from 8 ratings.
Do Head Model Studio or Orange Chart have ads?
Orange Chart shows ads; Head Model Studio does not.
Which is updated more often, Head Model Studio or Orange Chart?
Head Model Studio ships an update monthly, and Orange Chart every 2 weeks. Most recently, Head Model Studio was updated on November 3, 2026 and Orange Chart on November 4, 2026.

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