3D Scratchpad vs Snap Draw Iso
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Freehand 3D drawing
- Primitive solid shapes
- Intuitive gestures
- Augmented reality manipulation
- Share as .usdz files
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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.
Snap Draw Iso
Create isometric drawings with ease using a crosshair and snap sound for precise line connections. Customize grids, colors, and import/export various formats. Offers advanced features like bitmap brushes and gradient fills for detailed designs.
- Isometric and 2D grids
- Customizable colors
- Import/Export formats
- Fill options (solid, gradient, pattern)
- Large canvas with pan/zoom
- Text and FX options
- Bitmap and vector layer mixing
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Snap Draw Iso makes drawing isometric images a snap. With a crosshair and snap sound effect, you will always be able to connect lines perfect and quickly. Some Features Include: - Traditional square 2-D grid or Isometric grid - Change background color, line colors, and grid colors - Import and Export various formats - Fill fill solid colors, custom gradients, or patterns for the library - Huge Canvas for detailed images with easy pan and zoom touch feature - Text and FX options - Draw with a bitmap brush and mix bitmap layer with vector layor - Zoom to pixel level for fine tuning - Share your drawings on social media or via email - Customizable drawing options
Screenshots
Verdict
The clearest difference is review sentiment: Snap Draw Iso at 80% against 3D Scratchpad's 19%. Snap Draw Iso also leads on rating (4.0 vs 2.7) and in-app purchases (none vs 3). 3D Scratchpad's advantage is ads (none vs shown) and ratings volume (12 vs 4). On price and device support 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
Both are free to download. 3D Scratchpad sells 3 in-app purchases, starting at $1.99 per month. Snap Draw Iso asks for nothing beyond the download.
Snap Draw Iso holds the better App Store score, 4.0 against 2.7. Both are backed by a comparable volume of ratings — 12 and 4 respectively. Written reviews point the same way: 19% of 3D Scratchpad's written reviews are positive against 80% of Snap Draw Iso's.
3D Scratchpad ships an update every 15 months, Snap Draw Iso every 3 days. The most recent releases landed on October 13, 2026 and September 29, 2026 respectively.
| Parameter | 3D Scratchpad | Snap Draw Iso |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (12 ratings) | 4.0 (4 ratings) — better |
| Positive reviews | 18.5% of reviews | 80.0% of reviews — better |
| Number of ratings | 12 — better | 4 |
| Update frequency | Every 15 months | Every 3 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Engineered Stuff | andrew bell |
Customer experience
3D Scratchpad
Snap Draw Iso
In-app purchases
3D Scratchpad
- One Month Subscription$1.991 Month
- Six Month Subscription$6.996 Months
- One Year Subscription$9.991 Year
Snap Draw Iso
No in-app purchases
Questions
Is 3D Scratchpad free?
Is Snap Draw Iso free?
Which has better reviews, 3D Scratchpad or Snap Draw Iso?
Do 3D Scratchpad or Snap Draw Iso have ads?
Which is updated more often, 3D Scratchpad or Snap Draw Iso?
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