Digit 3D CAD
运保 罗 Graphics & Design iPhoneiPadiPod touch
Digit 3D CAD is a free Graphics & Design app for iPhone and iPad by 运保 罗. Rated 5.0/5 from 1 ratings. Requires iOS 16.4. Updated October 31, 2026.
- Rating
- 5.0
- 1 ratings
- Price
- Free
- on the App Store
- Size
- 78 MB
- Age 4+
- Updated
- Oct 31
- 2026 · v1.6.9
Screenshots
About Digit 3D CAD
Digit 3D is parametric 3D CAD for iPhone and iPad: sketch, model, assemble and make drawings. Sketch • Lines, circles, arcs, splines, ellipses, polygons and slots, with dimensions and constraints • Mirror; linear, circular and along-curve patterns; trim, extend, chamfer and fillet • Apple Pencil support for precise drawing Model • Extrude, revolve, sweep, loft, shell, fillet, chamfer, hole, thread, pattern and mirror • Auto boolean: cuts when it overlaps, joins when it touches, new body when apart • Direct editing: move, rotate and copy faces, with adjacent fillets following along • Surfaces, 3D curves and 3D splines • Parametric history: edit any step at any time, and replay how the model was built Assembly and drawings • Assembly lives in the modeling workspace: new parts, move parts, auto-detected mates, clash check • 2D drawings with standard views, sections and dimensions; 3D annotations export with STEP Two interfaces • Full: every command, with customizable side rails • Simple: tap a face and drag the arrow, easy for beginners Files • Import STEP, IGES, STL, OBJ, 3MF, 3DM, Parasolid (X_T) and DXF drawings • Projects are saved as encrypted .d3d files Privacy Policy: https://digit3d.top/privacy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
What’s new
Version 1.6.9 · Updated October 31, 2026
Create 3D models, build assemblies, and view drawings wherever inspiration strikes.
App privacy
The developer, 运保 罗, reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Identifiers: Device ID, User ID
- Usage Data: Product Interaction
- Contact Info: Email Address
Used for: Analytics, App Functionality
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Digit 3D CAD | 5.0 / 5 (1 rating) | Free | October 31, 2026 | |
| Vexio3D | – | Free | Oct 28, 2026 | Compare |
| Meld - 3D Modeling | 3.6 / 5 (5) | Free | Oct 29, 2026 | Compare |
| TopMod 3D: Design Software | 5.0 / 5 (3) | Free | Oct 21, 2026 | Compare |
| 3D Model Print Simple Edit | 4.0 / 5 (3) | Free | Oct 25, 2026 | Compare |
| Zenve3D | 5.0 / 5 (2) | Free | Oct 22, 2026 | Compare |
| Part3D: 3D CAD & Modeling | 4.5 / 5 (19) | Free | Oct 29, 2026 | Compare |
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