Comparison

Compo vs Head Model Studio

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

Head to head
About

Compo

An intuitive app for creating dynamic and harmonious compositions using shapes and colors inspired by Bauhaus masters. Explore your creativity from a blank canvas or use a shuffle feature to generate ideas. Easily manipulate elements to express your unique style.

Highlights
  • Create compositions with shapes and colors
  • Inspired by Bauhaus masters
  • Blank canvas or shuffle feature
  • Move, rotate, copy, and overlap shapes
  • Express personal style
Features
Read full description

We imagined a fun and intuitive composition app. See shapes and colours like the Bauhaus masters and use them to create dynamic and harmonious compositions. Create from a blank canvas or use the shuffle feature to spark your creative process. Move, rotate, copy, overlap and add shapes to suit your mood or just fit your style. With Compo express yourself simply because you’re the master.

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/

Screenshots

Compo4 screens
Head Model Studio4 screens

Verdict

The call

The clearest difference is ratings volume: Head Model Studio at 2.4K against Compo's 5. Compo's advantage is review sentiment (100% vs 76%) and rating (4.8 vs 4.6). On price, update cadence, ads and in-app purchases 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. Compo sells 4 one-off in-app purchases and Head Model Studio sells 4 in-app purchases, starting at $9.00 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Compo holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Head Model Studio has 2.4K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 100% of Compo's written reviews are positive against 76% of Head Model Studio's.

UpkeepUpdate frequency

Compo ships an update every 5 weeks, Head Model Studio monthly. The most recent releases landed on October 1, 2026 and October 12, 2026 respectively.

Scorecard4 real differences · 6 level
Compo versus Head Model Studio: the parameters behind the verdict, then further details
ParameterCompoHead Model Studio
PriceFreeFree
Rating4.8 (5 ratings) — better4.6 (2.4K ratings)
Positive reviews100.0% of reviews — better76.5% of reviews
Number of ratings52.4K — better
Update frequencyEvery 5 weeksMonthly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.4 — better16.4
Further details — not scored
Size6 MB2.2 GB
Age rating4+4+
DeveloperSylvain LambertWes Castain

Customer experience

Compo

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Head Model Studio

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

Bugs and requests

Compo

Not enough reviews yet to summarise bugs or 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

In-app purchases

4 purchases

Compo

One-time4
  • Leaves$0.99
  • Letters$0.99
  • Coals$0.99
Show 1 more
  • Fishes$0.99
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

Questions

Is Compo free?
Compo is free to download, with in-app purchases available.
Is Head Model Studio free?
Head Model Studio is free to download, with in-app purchases available.
Which has better reviews, Compo or Head Model Studio?
Compo is rated higher. Compo averages 4.8 out of 5 from 5 ratings, while Head Model Studio averages 4.6 from 2.4K ratings.
Do Compo or Head Model Studio have ads?
Neither Compo nor Head Model Studio shows ads.
Which is updated more often, Compo or Head Model Studio?
Compo ships an update every 5 weeks, and Head Model Studio monthly. Most recently, Compo was updated on October 1, 2026 and Head Model Studio on October 12, 2026.

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