3D Scratchpad vs Reality OBJ
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.
Reality OBJ
Easily convert 3D models from OBJ format to USDZ, a format optimized for AR experiences. Customize material properties like textures and colors, and generate thumbnails for your models. Supports AR viewing and video recording.
- Convert OBJ to USDZ
- Modify material properties
- Import OBJ models
- Generate thumbnails
- Record video
- AR support
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Reality OBJ: USDZ Converter - Convert OBJ to USDZ - Features - - Modify the properties of each material: You can add to your model Diffuse texture or color, Roughness, Metalness, Normal and Ambient Occlusion textures. - Import your own obj models. - Export obj to usdz. - Generate thumbnail. - Record Video. - AR. Payment will be charged to your Apple ID account at the confirmation of purchase. The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase. - Terms & conditions https://sites.google.com/view/privacyrealityobj/home/termsandconditions
Screenshots
Verdict
The clearest difference is review sentiment: Reality OBJ at 71% against 3D Scratchpad's 19%. Reality OBJ also leads on rating (4.2 vs 2.7) and update cadence (weekly vs every 15 months). On price, ratings volume, ads 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 Reality OBJ sells 4 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Reality OBJ holds the better App Store score, 4.2 against 2.7. Both are backed by a comparable volume of ratings — 12 and 5 respectively. Written reviews point the same way: 19% of 3D Scratchpad's written reviews are positive against 71% of Reality OBJ's.
3D Scratchpad ships an update every 15 months, Reality OBJ weekly. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.
| Parameter | 3D Scratchpad | Reality OBJ |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (12 ratings) | 4.2 (5 ratings) — better |
| Positive reviews | 18.5% of reviews | 71.4% of reviews — better |
| Number of ratings | 12 — better | 5 |
| Update frequency | Every 15 months | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Engineered Stuff | Ariel Ortiz |
Customer experience
3D Scratchpad
Reality OBJ
In-app purchases
3D Scratchpad
- One Month Subscription$1.991 Month
- Six Month Subscription$6.996 Months
- One Year Subscription$9.991 Year
Reality OBJ
- All Access$2.997 Days
- All Access3 Days trial$3.991 Month
- All Access$14.991 Year
- All Access$14.99









