Comparison

Doodle it vs CAD Studio

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

Head to head
About

Doodle it

Features
Read full description

Doodle it is a simple drawing app that anyone can easily enjoy without any complex features. Draw instead of writing notes, sketch instead of using words — bring the ideas in your head straight to the screen. - Free Drawing A pen tool that lets you draw freely with just a finger. Express yourself fully with smooth stroke dynamics. - Variety of Colors From a basic palette to an RGB custom color picker, you can choose the exact color you want. - Shape Drawing Supports shape tools to draw clean straight lines, rectangles, and circles. Easily create diagrams, maps, or simple blueprints. - Brush Thickness Control From thin fine lines to thick markers, adjust it freely with a single slider. - Eraser & Undo It's okay to make mistakes. You can erase specific parts or go back anytime with the undo button. - Save to Gallery Save your finished drawings directly to your Photos app as high-quality PNGs. Ready to share on social media instantly. - Change Background Color Bored of a white background? Change it to any background color you want to create a moody, stylish drawing. Doodling, note-taking, sketching, and organizing ideas — Doodle it is all you need.

About

CAD Studio

Create, edit, and view technical drawings on your mobile device. This professional 2D CAD tool offers a full drawing engine, multi-layer management, and precise snapping for engineers, architects, designers, and students.

Highlights
  • Full 2D drawing engine
  • Multi-layer management
  • Import DWG, DXF, and image files
  • Precise snapping tools
  • Built-in templates
  • Export and share projects
Features
Read full description

Professional 2D CAD drawing studio in your pocket. CAD Studio is a powerful mobile CAD tool for engineers, architects, designers and students. Create, edit and view technical drawings anytime, anywhere. KEY FEATURES: • Full 2D drawing engine — lines, arcs, circles, polylines, polygons • Multi-layer management with visibility and lock controls • Import DWG, DXF, and image files seamlessly • Precise snapping — endpoint, midpoint, intersection, grid • Built-in templates and sample projects • Export and share your projects instantly • Optimized for iPhone and iPad with Apple Pencil support PERFECT FOR: - Architecture floor plans and layouts - Mechanical engineering schematics - Electrical wiring diagrams - Landscape and interior design - Student coursework and technical education Download CAD Studio and turn your device into a professional drafting workstation.

Screenshots

Doodle it3 screens
CAD Studio4 screens

Verdict

The call

The clearest difference is price: Doodle it at Free against CAD Studio's $9.99. CAD Studio's advantage is ads (none vs shown) and update cadence (every 6 days vs every 2 weeks). On in-app purchases, 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

Doodle it is free to download; CAD Studio costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Doodle it ships an update every 2 weeks, CAD Studio every 6 days. The most recent releases landed on October 25, 2026 and November 2, 2026 respectively.

Scorecard4 real differences · 6 level
Doodle it versus CAD Studio: the parameters behind the verdict, then further details
ParameterDoodle itCAD Studio
PriceFree — better$9.99
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 2 weeksEvery 6 days — better
AdsYesNo — better
In-app purchasesNoNo
Monetization—Free
Best chart rank—#70 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size23 MB7 MB
Age rating4+4+
DeveloperJAEMIN LEE玉英 张

In-app purchases

None

Doodle it

No in-app purchases

None

CAD Studio

No in-app purchases

Questions

Is Doodle it free?
Doodle it is free to download, with no in-app purchases.
Is CAD Studio free?
CAD Studio costs $9.99, with no in-app purchases.
Do Doodle it or CAD Studio have ads?
Doodle it shows ads; CAD Studio does not.
Which is updated more often, Doodle it or CAD Studio?
Doodle it ships an update every 2 weeks, and CAD Studio every 6 days. Most recently, Doodle it was updated on October 25, 2026 and CAD Studio on November 2, 2026.

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