Simple House Planner vs Sweet Home 3D.
Sweet Home 3D is free, open source, and runs offline. Simple House Planner runs in your browser, works with ChatGPT, and exports to CAD and BIM.
At a glance.
| Feature | Simple House Planner | Sweet Home 3D |
|---|---|---|
| Price | Free to use. | Free and open source, under the GPL. Versions in app stores have in-app purchases. |
| Free plan | No paid plans. An account holds up to 40 plans. Without an account, plans stay in your browser and in files. | Free for personal and commercial use. |
| AI | ChatGPT or another assistant designs and changes the plan through plan tools. We charge no AI credits. The terms of your assistant's plan apply. | We found no AI features. |
| ChatGPT, Claude, MCP | An MCP server that works with ChatGPT, Claude and other MCP clients, and WebMCP tools in the browser. | Plug-ins written in Java. We found no ChatGPT, Claude or MCP link. |
| Platforms | Any modern browser, on a computer, a tablet or a phone. Also inside the ChatGPT desktop app. | Windows, macOS, Linux, iOS, Android and web. |
| 2D and 3D | 2D plans, 3D orbit and walkthrough, rendered images and 360° panoramas. | 2D plan with a 3D virtual visitor. Photos and videos in the desktop version. |
| Exports | PNG, SVG, PDF to scale, DXF, DWG (beta) and IFC. All free, with no watermark. | PDF, images, videos and 3D files. Its developer says that the base application does not support DXF or DWG. |
| Site and roofs | Slopes, spot heights, survey import, contours, cut and fill. Gable, hip, shed and flat roofs. Gardens. | Roofs and terrain through plug-ins. |
| Furniture | More than 120 built-in items, plus items you make or find in the community. | Over 10,000 3D models across its libraries. Free installers include fewer. |
Which one fits.
Choose Simple House Planner for
- No install, on any device with a browser.
- Roofs, terrain and gardens built in.
- A plan designed by ChatGPT, then edited by hand.
Choose Sweet Home 3D for
- Open source, with an offline desktop app.
- Linux support.
Questions.
Is Simple House Planner a good Sweet Home 3D alternative?
Yes, if you want a free editor that works with ChatGPT, models the site, and exports to CAD and BIM. Sweet Home 3D is a good choice for open source, with an offline desktop app.
Is Sweet Home 3D free?
Yes. It is open source under the GPL, and free for personal and commercial use. Simple House Planner is also free, and it runs in the browser with no install.
Does Sweet Home 3D have AI?
We found no AI features on its site. Simple House Planner works with ChatGPT and other assistants.
We checked these facts on 4 November 2026 on Sweet Home 3D's public pages. Prices and features change, so check them before you decide. “We found no” means that we did not find it on those pages. Prices are as shown to us, and may differ where you live. Sources: sweethome3d.com, sweethome3d.com/download/, sweethome3d.com/features/, sweethome3d.com/faq/, sweethome3d.com/plugins/, sweethome3d.com/support/forum/viewthread_thread,12985. Sweet Home 3D is a trademark of its owner. Simple House Planner is not affiliated with Sweet Home 3D.