Comparison

3D Scratchpad vs Assemblr Studio

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

Head to head
About

3D Scratchpad

Create 3D models with a user-friendly design tool. Freehand draw in 3D using primitive shapes and gestures. Manipulate objects with augmented reality and share your creations as .usdz files.

Highlights
  • Freehand 3D drawing
  • Primitive solid shapes
  • Intuitive gestures
  • Augmented reality manipulation
  • Share as .usdz files
Features
Read full description

3D Scratchpad is an easy-to-use, full-featured design tool for creating 3D models. Freehand draw in three dimensions using simple primitive solid shapes and intuitive gestures. Manipulate objects as if they were in the real world with augmented reality, and share your models as .usdz files for viewing in augmented reality. 3D Scratchpad creates a short path between design ideas and useful 3D models for designers, modelers, makers, gamers, 3D-printing enthusiasts, hobbyists, educators, engineers, and architects. Use 3D Scratchpad to create and fabricate prototypes, to model new products, parts, and structures, and to create and share 3D art and designs. 3D Scratchpad enables you to design in the real world. Built to enable immersive, intuitive, and interactive design, 3D Scratchpad unlocks your design creativity and gives you the tools you need to create and share 3D models. Purchasing an auto-renewing 3D Scratchpad Subscription enables the ability to save and share 3D models.

About

Assemblr Studio

Create immersive augmented reality experiences without any coding. Utilize a drag-and-drop editor with thousands of 3D objects, animations, and interactive elements. Share your AR projects easily across various platforms.

Highlights
  • Drag-and-drop AR editor
  • Thousands of 2D & 3D objects
  • Add animations and interactivity
  • Share projects via links or markers
  • Embed projects in other platforms
Features
Read full description

Assemblr Studio is your one-stop AR platform, designed for everyone—no coding skills required. With our easy editor, simply drag and drop from a library of thousands of 3D objects to create stunning AR experiences in minutes. Perfect for marketing, education, and creative projects. Assemblr Studio empowers you to bring your ideas to life effortlessly. EASY FEATURES TO COMPLETE YOU All-Around Editor Turn your ideas into reality with a vast array of tools—from 2D & 3D objects, 3D text, annotation, video, image, or even slide. Creating is as quick as drag and drop. Super Simple Editor Create your AR your own simple yet stunning AR projects for any needs much easier than ever, it only takes less than 3 minutes by 3 steps. Thousands of 2D & 3D Objects Choose among thousands of premade 2D & 3D objects with different themes, ready to use for any type of creation. *Available in Free & Pro 3D Bundles Interactivity Insert animations into your creation and level up your creativity. Feel free to create an interactive quiz, mini-game, or anything up to your imagination! Share Projects Be it with links, AR markers, or embed code, get ready to share your projects tailored to your needs. You can even embed your projects in Canva! ASSEMBLR PLANS: Unlock benefits to create better • Gain exclusive access to all our 3D Pro packs. • Upgrade your custom 3D storage & custom marker slots. • Publish your creation in private. GET CONNECTED! For customer service assistance, send an e-mail to info@assemblrworld.com, or you can find us on the following platforms. We welcome all of your thoughts and suggestions: Website: assemblrworld.com Instagram: @assemblrworld Twitter: @assemblrworld YouTube: youtube.com/c/AssemblrWorld Facebook: facebook.com/assemblrworld/ Tiktok: Assemblrworld

Screenshots

3D Scratchpad4 screens
Assemblr Studio4 screens

Verdict

The call

The clearest difference is rating: Assemblr Studio at 3.5 against 3D Scratchpad's 2.7. Assemblr Studio also leads on update cadence (every 3 weeks vs every 15 months) and review sentiment (44% vs 19%). On price, ads, 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. 3D Scratchpad sells 3 in-app purchases, starting at $1.99 per month and Assemblr Studio sells 21 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Assemblr Studio holds the better App Store score, 3.5 against 2.7. That said, the two scores are not equally well evidenced: Assemblr Studio has 238 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 19% of 3D Scratchpad's written reviews are positive against 44% of Assemblr Studio's.

UpkeepUpdate frequency

3D Scratchpad ships an update every 15 months, Assemblr Studio every 3 weeks. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

Scorecard5 real differences · 5 level
3D Scratchpad versus Assemblr Studio: the parameters behind the verdict, then further details
Parameter3D ScratchpadAssemblr Studio
PriceFreeFree
Rating2.7 (12 ratings)3.5 (238 ratings) — better
Positive reviews18.5% of reviews44.2% of reviews — better
Number of ratings12238 — better
Update frequencyEvery 15 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.6 — better
Further details — not scored
Size7 MB141 MB
Age rating4+17+
DeveloperEngineered StuffAssemblr

Customer experience

3D Scratchpad

All ratings12 ratings
Positive41.7%
Neutral0.0%
Negative58.3%
Written reviews27 reviews
Positive18.5%
Neutral7.4%
Negative74.1%

Assemblr Studio

All ratings238 ratings
Positive59.2%
Neutral8.8%
Negative31.9%
Written reviews104 reviews
Positive44.2%
Neutral19.2%
Negative36.5%

Bugs and requests

3D Scratchpad

Not enough reviews yet to summarise bugs or requests.

Assemblr Studio

Reported bugs

4 issues
  • Projects disappearing after saving
  • Unable to create new projects or accounts
  • Distortion and deformation of 3D objects
  • Compatibility issues with newer devices

Requested features

5 requests
  • Add more 3D objects and customization options
  • Improve camera controls and navigation
  • Implement a more user-friendly tutorial
  • Allow offline project saving and editing
  • Add support for importing custom 3D models

In-app purchases

3 purchases

3D Scratchpad

Subscriptions3
  • One Month Subscription$1.991 Month
  • Six Month Subscription$6.996 Months
  • One Year Subscription$9.991 Year
21 purchases

Assemblr Studio

Subscriptions11
  • Basic Plan 1 Month2 variants$9.991 Month
  • Small Plan (Monthly)14 Days trial$9.991 Month
  • Medium Plan 1 Month2 variants$24.991 Month
Show 8 more
  • Medium Plan (Monthly)14 Days trial$24.991 Month
  • Medium Plan 1 Month$42.491 Month
  • Large Plan (Monthly)$49.001 Month
  • Premium Plan 1 Month2 variants$49.991 Month
  • Premium Plan 1 Month$71.001 Month
  • Small Plan (Yearly)14 Days trial$99.991 Year
  • Medium Plan (Yearly)14 Days trial$249.001 Year
  • Large Plan (Yearly)14 Days trial$499.001 Year
One-time10
  • AR Book Voucher$0.99
  • Custom Marker Voucher$2.99
  • Extra 1 project$2.99
Show 7 more
  • 500 BLR Coins$7.19
  • 400 BLR Coins$11.49
  • 1000 BLR Coins$14.49
  • 1500 BLR Coins$21.49
  • 800 BLR Coins$22.90
  • 2000 BLR Coins$28.99
  • 1200 BLR Coins$34.49

Questions

Is 3D Scratchpad free?
3D Scratchpad is free to download, with in-app purchases available.
Is Assemblr Studio free?
Assemblr Studio is free to download, with in-app purchases available.
Which has better reviews, 3D Scratchpad or Assemblr Studio?
Assemblr Studio is rated higher. 3D Scratchpad averages 2.7 out of 5 from 12 ratings, while Assemblr Studio averages 3.5 from 238 ratings.
Do 3D Scratchpad or Assemblr Studio have ads?
Neither 3D Scratchpad nor Assemblr Studio shows ads.
Which is updated more often, 3D Scratchpad or Assemblr Studio?
3D Scratchpad ships an update every 15 months, and Assemblr Studio every 3 weeks. Most recently, 3D Scratchpad was updated on October 13, 2026 and Assemblr Studio on October 7, 2026.

Other comparisons