Simple House Planner vs Coohom.

Coohom is an interior design platform with a very large model library and fast 4K renders. Simple House Planner plans the whole house and the site, for free, with ChatGPT.

Edit with ChatGPT Open editor
The Finish tab with floor and wall materials beside the 3D view of a furnished studio.

At a glance.

FeatureSimple House PlannerCoohom
PriceFree to use.Free Basic plan. Pro €29.98 a month or €300 a year. Elite €60.98 a seat a month or €606.90 a year. Enterprise on request.
Free planNo paid plans. An account holds up to 40 plans. Without an account, plans stay in your browser and in files.Up to 3 design projects.
AIChatGPT or another assistant designs and changes the plan through plan tools. We charge no AI credits. The terms of your assistant's plan apply.A prompt makes editable 2D plans. Its site says that multi-floor layouts are not supported for automatic generation.
ChatGPT, Claude, MCPAn MCP server that works with ChatGPT, Claude and other MCP clients, and WebMCP tools in the browser.An Open API, and a preview command-line tool for agents such as Codex, Claude Code and Cursor. We found no ChatGPT app or MCP server.
PlatformsAny modern browser, on a computer, a tablet or a phone. Also inside the ChatGPT desktop app.Web, Windows and macOS.
2D and 3D2D plans, 3D orbit and walkthrough, rendered images and 360° panoramas.2D and 3D plans, 360° walkthroughs and photorealistic renders. Unlimited 4K on Pro.
ExportsPNG, SVG, PDF to scale, DXF, DWG (beta) and IFC. All free, with no watermark.Images and PDF for floor plans, and CAD drawings, on Elite. We found no IFC.
Site and roofsSlopes, spot heights, survey import, contours, cut and fill. Gable, hip, shed and flat roofs. Gardens.Flat, shed and gable roofs. Garden and landscape building. We found no terrain tool.
FurnitureMore than 120 built-in items, plus items you make or find in the community.More than 600,000 3D models, by its home page.

Which one fits.

Choose Simple House Planner for

  • Multi-floor houses designed in a chat.
  • CAD and IFC export with no paid plan.
  • Slopes, survey data, and cut and fill.

Choose Coohom for

  • Unlimited 4K renders on Pro.
  • A very large library of 3D models.

Questions.

Is Simple House Planner a good Coohom alternative?

Yes, if you want a free editor that works with ChatGPT, models the site, and exports to CAD and BIM. Coohom is a good choice for unlimited 4k renders on pro.

Is Coohom free?

Coohom has a free Basic plan with up to 3 design projects. Simple House Planner has no paid plans.

Which one is better for interiors?

Coohom has a larger library and more render options. Simple House Planner is better for the whole building, the roof and the plot.

We checked these facts on 4 November 2026 on Coohom'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: coohom.com/pricing?hl=en, coohom.com/case/ai-floor-planner, coohom.com/ai-agent-floor-planner, coohom.com/helpcenter/how-to-export-download-floor-plan, coohom.com. Coohom is a trademark of its owner. Simple House Planner is not affiliated with Coohom.

Try it on your own house.