Comparison

CAD Smart Modeling vs Infinity Sketch

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

Head to head
About

CAD Smart Modeling

Create detailed 3D models, technical drawings, and digital prototypes on your mobile device. This versatile CAD app is suitable for architecture, product design, engineering, and 3D printing, offering intuitive tools for both beginners and professionals.

Highlights
  • 3D Modeling & CAD Design
  • Technical Drawing
  • Precise Geometric Constructions
  • Import & Export of CAD and 3D Files
  • Product Design & Prototyping
  • 3D Models for Architecture & 3D Printing
Features
Read full description

CAD Smart Modeling is your powerful CAD app for 3D modeling, technical drawing, and precise design. Create 3D models, CAD drawings, and digital prototypes directly on your iPhone or iPad. Ideal for architecture, product design, engineering, 3D printing, and DIY projects. Why CAD Smart Modeling? 3D Modeling Made Easy & Precise Create detailed 3D models and geometric designs with intuitive CAD tools—perfect for beginners and professionals alike. CAD Design & Technical Drawing Use powerful tools for precise design, surface and solid modeling, and prototyping. Versatile CAD App for Many Applications Architecture, product development, technical drawing, construction, 3D printing, and creative visualization—all in one app. Import & Export of 3D Models Import your own CAD models or external 3D files and export your designs in common formats for sharing or further processing. Unlimited Creative Freedom Create 3D objects, 3D models, or 3D text – ideal for presentations, social media, or product visualizations. Suitable for Beginners & Professionals Whether you're a student, DIY enthusiast, hobby designer, or professional CAD user – CAD Smart Modeling adapts to your workflow. Features at a Glance • 3D Modeling & CAD Design • Technical Drawing • Precise Geometric Constructions • Import & Export of CAD and 3D Files • Product Design & Prototyping • 3D Models for Architecture & 3D Printing • Creative 3D Text & Visualizations Discover the possibilities of modern CAD modeling on your smartphone. Download CAD Smart Modeling now and turn your ideas into professional 3D models. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Infinity Sketch

Create precise schematics with a customizable grid and line editing system. Seamlessly integrate images as backgrounds or symbols to enhance your workflow. Enjoy a practically infinite canvas for unrestricted creativity, all offline and completely free.

Highlights
  • Customizable grid for precision
  • Image import for backgrounds/symbols
  • Practically infinite canvas
  • Offline functionality
  • Apple Pencil and finger drawing support
  • Combines freehand and grid lines
Features
Read full description

Infinity Sketch is the ultimate tool for fast grid based sketching of any kind, now enhanced with seamless image support. Built on top of Apple’s default drawing canvas, it introduces a powerful, fully customizable grid and line editing system, making it ideal for quickly sketching precise schematics. Easily paste images from your system pasteboard to use as backgrounds or symbols, boosting your creative workflow. It is completely free with no hidden charges, no in-app purchases, and no internet connection required. It works entirely offline, so you can sketch anytime, anywhere, without interruptions or freemium distractions. Whether you're using Apple Pencil on iPad or finger drawing on iPhone, Infinity Sketch adapts to your workflow, offering a modern, document-based interface that fits your needs. With its practically infinite canvas, you’ll never run out of space to create. What sets Infinity Sketch apart is its combination of hand-drawn symbols with straight, grid-based lines. This approach delivers clean, professional-looking results with an artistic touch, making your sketches both functional and visually appealing. Key Features: Fully customizable grid for precision sketching Seamless Apple Pencil integration on iPad Supports finger drawing on iPhone and iPad Huge canvas for unrestricted creativity Image support: Paste images from pasteboard as backgrounds or symbols for enhanced creativity Combines freehand symbols and grid-based lines for unique, artful results Pro Tip: Easily Annotate Screenshots Paste a screenshot from the pasteboard into Infinity Sketch using the Insert Image icon. Choose "Pin selected images to background" from the Rectangle Select menu to lock it for annotation. Unpin to edit again. Whether you're sketching circuit diagrams, flowcharts, or any other schematic, Infinity Sketch offers the tools to make your designs shine. Privacy Policy: https://www.circuitshepherd.com/privacy-policy-for-Infinity-Sketch.html

Screenshots

CAD Smart Modeling4 screens
Infinity Sketch4 screens

Verdict

The call

The clearest difference is review sentiment: Infinity Sketch at 75% against CAD Smart Modeling's 0%. Infinity Sketch also leads on in-app purchases (none vs 7) and ads (none vs shown). CAD Smart Modeling's advantage is device support (4 vs 2) and iOS requirement (13.0 vs 18.0). On price and ratings volume 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. CAD Smart Modeling sells 7 in-app purchases, starting at $3.99 per month. Infinity Sketch asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Infinity Sketch holds the better App Store score, 3.8 against 3.5. Both are backed by a comparable volume of ratings — 10 and 16 respectively. Written reviews point the same way: 0% of CAD Smart Modeling's written reviews are positive against 75% of Infinity Sketch's.

UpkeepUpdate frequency

CAD Smart Modeling ships an update every 5 months, Infinity Sketch every 3 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

Scorecard8 real differences · 2 level
CAD Smart Modeling versus Infinity Sketch: the parameters behind the verdict, then further details
ParameterCAD Smart ModelingInfinity Sketch
PriceFreeFree
Rating3.5 (10 ratings)3.8 (16 ratings) — better
Positive reviews0.0% of reviews75.0% of reviews — better
Number of ratings1016 — better
Update frequencyEvery 5 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS13.0 — better18.0
Further details — not scored
Size440 MB20 MB
Age rating4+4+
DeveloperSebastian KemperJosef Woess

Customer experience

CAD Smart Modeling

All ratings8 ratings
Positive62.5%
Neutral0.0%
Negative37.5%
Written reviews4 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Infinity Sketch

All ratings16 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews12 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

In-app purchases

7 purchases

CAD Smart Modeling

Subscriptions5
  • Premium access$3.991 Month
  • Premium access$8.991 Month
  • Premium access$22.991 Year
Show 2 more
  • Premium access$44.991 Year
  • Pro Version3 Days trial$44.991 Year
One-time2
  • Premium Access$44.99
  • Premium Access$89.99
None

Infinity Sketch

No in-app purchases

Questions

Is CAD Smart Modeling free?
CAD Smart Modeling is free to download, with in-app purchases available.
Is Infinity Sketch free?
Infinity Sketch is free to download, with no in-app purchases.
Which has better reviews, CAD Smart Modeling or Infinity Sketch?
Infinity Sketch is rated higher. CAD Smart Modeling averages 3.5 out of 5 from 10 ratings, while Infinity Sketch averages 3.8 from 16 ratings.
Do CAD Smart Modeling or Infinity Sketch have ads?
CAD Smart Modeling shows ads; Infinity Sketch does not.
Which is updated more often, CAD Smart Modeling or Infinity Sketch?
CAD Smart Modeling ships an update every 5 months, and Infinity Sketch every 3 weeks. Most recently, CAD Smart Modeling was updated on October 23, 2026 and Infinity Sketch on October 24, 2026.

Other comparisons