DWG viewer for iPhone
Open DWG drawings on iPhone, wherever work takes you.
Caddis gives field teams and reviewers a focused way to open DWG files on iPhone. Review drawings, check dimensions, and make clear markup without needing to sit at a desktop CAD workstation.
No account required for local viewing. Files stay on your device unless you opt into Cloud.How can I open a DWG on an iPhone?
Install Caddis on iPhone, then open a DWG from the Files app or a share sheet. The same Caddis review workflow is also available on the web when you are back at a browser.
How to get started
- Get Caddis for iPhone.
- Choose a DWG from Files or share it to Caddis.
- Inspect layers, measure, and add review markup.
Built for practical review
- DWG review built for mobile
- Measurements and markup on the drawing
- A consistent workflow across iPhone and web
- Cloud sync is opt-in
Your drawings stay under your control
Caddis is local-first: opening a supported file for local review does not require uploading it. If you choose Caddis Cloud, you can continue a project across devices or create a revocable, read-only link.
Frequently asked questions
Do I need an account to use Caddis?
No. You can open and review supported files locally without creating an account. An account is only needed for optional cloud features.
Are my CAD files uploaded?
Not for local viewing. Caddis processes supported files on your device. Cloud storage and share links are opt-in per project.
Can I use Caddis offline?
Local review is designed to work on your device. Cloud sync and share links naturally require an internet connection.
Which CAD formats can Caddis open?
Caddis supports DWG, DXF, STEP, STP, STL, OBJ, PLY, and IFC files in the web viewer.
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