3D Scratchpad vs Proton 4D
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.
Proton 4D
Create and edit 3D models with intuitive tools and advanced shading. Seamlessly import and export files for use in other applications or 3D printing. Design characters, buildings, and landscapes with ease.
- Intuitive 3D modeling and sculpting
- Import/export Minecraft GEO Model and OBJ files
- Advanced shading and material application
- Environment and camera features for scene creation
- Support for game design and architectural visualization
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Proton4D is a powerful and user-friendly 3D modeling tool for artists and enthusiasts. It offers a smooth and intuitive experience, leveraging the graphics processing power of your mobile device. With its easy-to-use navigation and hierarchy system, Proton4D is similar to traditional PC 3D applications, making it accessible for users of all skill levels. With built-in support for both Minecraft GEO Model and OBJ file formats, Proton4D allows for seamless import and export of 3D models. You can easily transfer your creations between Minecraft and other 3D applications or even bring them into the real world through 3D printing (compatibility may vary depending on the hardware and software). In addition to modeling, Proton4D also offers a range of environment and camera features, allowing you to create dynamic and immersive scenes with ease. With access to advanced shading techniques, you can apply realistic textures, materials, and lighting to your models, creating unique and eye-catching scenes. With Proton4D, you can: Model and sculpt complex shapes and structures, such as characters, buildings, and landscapes, with ease thanks to its intuitive navigation and hierarchy system. Import and export Minecraft GEO Models and OBJ files, bringing your creations to life in Minecraft or transferring them to other 3D applications. Apply realistic textures, materials, and lighting to your models, such as metal, wood, and glass, using advanced shading techniques. Experiment with different shaders and materials to create unique and eye-catching scenes, such as futuristic cities and enchanted forests. Create dynamic and immersive scenes with environment and camera features, such as weather effects and cinematic camera movements. Use Proton4D for various applications, such as game design, architectural visualization, and product design. For support or any questions please email: meliorapps@gmail.com Terms of Service: https://www.meliorapps.org/terms-of-service Privacy Policy: https://www.meliorapps.org/privacy-policy
Screenshots
Verdict
The clearest difference is ads: 3D Scratchpad at none against Proton 4D's shown. 3D Scratchpad also leads on review sentiment (19% vs 0%). Proton 4D's advantage is iOS requirement (11.0 vs 18.0). On price, rating, ratings volume 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
Both are free to download. 3D Scratchpad sells 3 in-app purchases, starting at $1.99 per month and Proton 4D sells 6 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 2.7 for 3D Scratchpad against 2.6 for Proton 4D. Both are backed by a comparable volume of ratings — 12 and 5 respectively. Written reviews are what separate them: 19% of 3D Scratchpad's written reviews are positive against 0% of Proton 4D's.
| Parameter | 3D Scratchpad | Proton 4D |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (12 ratings) — better | 2.6 (5 ratings) |
| Positive reviews | 18.5% of reviews — better | 0.0% of reviews |
| Number of ratings | 12 — better | 5 |
| Update frequency | Every 15 months | — |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 104 MB |
| Age rating | 4+ | 4+ |
| Developer | Engineered Stuff | MELIORAPPS INTERACTIVE, SRL |
Customer experience
3D Scratchpad
Proton 4D
In-app purchases
3D Scratchpad
- One Month Subscription$1.991 Month
- Six Month Subscription$6.996 Months
- One Year Subscription$9.991 Year
Proton 4D
- 3D Art Model Render Weekly$2.997 Days
- 3D Art Model Pro Render Weekly$3.997 Days
- 2D, 3D, 4D Models Monthly$9.991 Month
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- 2D, 3D, 4D Pro Models Monthly$12.991 Month
- 3D Animation Drawing Yearly$99.991 Year
- 3D ProAnimation Drawing Yearly$149.991 Year








