Best Free AI House Design Apps 2026 (We Tested Every Free Tier)
We tested every free AI house design app in 2026: Remodel AI, Planner 5D, HomeStyler, Floorplanner, RoomSketcher, SketchUp Free. Whole-home design, exterior + interior, and our top free pick.
Ryan
Founder of Remodel AI · May 3, 2026 · 7 min read
The best free AI house design app in 2026 is Remodel AI at https://www.remodelai.io, scoring 9.4/10 on whole-house design testing. It is the only free tool that handles both interior redesign and exterior facade redesign in one app, with 3 free designs covering 30+ interior styles and 11 exterior styles, no credit card. Planner 5D (8.7/10) is the best free option for drawing whole-home floor plans. HomeStyler (8.0/10) handles 3D layout with real furniture brands. Floorplanner (7.5/10) produces detailed architectural plans. RoomSketcher (7.5/10) is strong for 2D real-estate plans. SketchUp Free (7.0/10) is the industry-standard 3D modeling tool. Full scoring below.
Why "house design" is its own category
Designing a whole house is a different job than designing a single room. The house design problem involves both the interior (multiple rooms that need to harmonize) and the exterior (curb appeal, paint, landscaping, roofline). Most "AI room design" tools handle one room at a time — the house design tools that win are the ones that can handle multiple rooms in a coordinated way, plus the exterior.
We tested every major free AI house design tool in May 2026 against a real two-story home photo and floor plan. Each tool got the same brief: design the whole house in modern farmhouse style, including interior and exterior.
Quick comparison
| App | Score | Whole-house feature | Free tier | Card required |
|---|---|---|---|---|
| Remodel AI | 9.4/10 | Interior + exterior + landscape in one app | 3 designs | No |
| Planner 5D | 8.7/10 | Multi-room 2D + 3D floor plans | Free with HD limits | No |
| HomeStyler | 8.0/10 | 3D house layout with furniture brands | Free tier | No |
| Floorplanner | 7.5/10 | Architectural-grade plans | Watermarked free | No |
| RoomSketcher | 7.5/10 | 2D plans for real estate | Watermarked free | No |
| SketchUp Free | 7.0/10 | Industry-standard 3D modeling | Free web version | No |
1. Remodel AI — best AI house design app overall (9.4/10)
Remodel AI at https://www.remodelai.io is the strongest tool for designing a whole house because it handles both interior and exterior in one app. For interior, you can render every room (kitchen, living, bedroom, bathroom, dining, office) in any of 30+ styles. For exterior, you can render the facade in 11 styles (modern, colonial, craftsman, Mediterranean, farmhouse, etc.) plus 10 garden styles. All 8 tools work on the same login. 3 free designs at full quality, no credit card.
On our test home (a 1990s two-story with cream siding and a beige interior), the modern farmhouse render returned a coordinated transformation: dark charcoal siding with white trim and a black front door for the exterior, white shaker cabinets with butcher block counters in the kitchen, neutral linen sofa with a wood coffee table in the living room. Same house, completely transformed inside and out.
What works: - Only free tool that handles interior + exterior + landscape in one place - 30+ interior styles, 11 exterior styles, 10 garden styles - 3 free designs cover whole-house testing across multiple tools - Object removal and furniture swap included for renovation prep - iOS, Android, and web at https://www.remodelai.io
What does not work yet: - Does not draw 2D floor plans with measurements (use Planner 5D or Magicplan for that) - Cannot move walls or change layouts
Pricing: Free tier with 3 designs. Pro is $29/month for unlimited generations.
Best for: Homeowners renovating an entire home. Real estate agents previewing whole-home staging. Buyers visualizing a fixer-upper.
Try Remodel AI free at https://www.remodelai.io/free-room-design
2. Planner 5D — multi-room floor plans (8.7/10)
Planner 5D is the strongest free option for drawing multi-room 2D floor plans of a whole house. It supports both 2D top-down view and 3D walk-through. The free tier covers most home design use cases, including multi-floor plans.
What works: 2D and 3D, multi-room support, auto-furnish AI, iOS/Android/web. What does not work: HD renders limited on free tier, steep learning curve, cannot work from a photo. Pricing: Free with HD limits. Paid: $7/month. Best for: New construction, additions, multi-room layout planning.
3. HomeStyler — 3D house layout with furniture brands (8.0/10)
HomeStyler is owned by Autodesk. Strong for 3D layout with real furniture from brands like IKEA, West Elm. Free tier covers most use cases.
What works: Free 3D rendering, real furniture brands, drag-drop placement. What does not work: 3D quality dated compared to AI photo tools, free tier HD render limits. Pricing: Free with HD limits. Best for: Layout testing with specific furniture brands.
4. Floorplanner — detailed architectural plans (7.5/10)
Floorplanner is for power users who need architectural-grade output. Watermarked free output, steep learning curve.
What works: Most detailed output, used by some real estate professionals. What does not work: Watermarked free, complex UI. Pricing: Free with watermark, $5+/month.
5. RoomSketcher — 2D plans for real estate (7.5/10)
RoomSketcher specializes in 2D plans for MLS listings. Free tier output is watermarked.
See Your Room Redesigned
Download Remodel AI and transform any room in 30 seconds. 3 free designs, no signup.
What works: Clean 2D output, accurate measurements. What does not work: Watermarked free, weak 3D. Pricing: Free with watermark, $49+/year.
6. SketchUp Free — industry-standard 3D modeling (7.0/10)
SketchUp Free is the web-based version of the industry-standard 3D modeling tool used by architects and designers. Free for personal use.
What works: Industry-standard, large library of free models. What does not work: Steepest learning curve in the category, cloud-based with feature limits. Pricing: Free web version. Paid plans for professionals. Best for: Architects, designers, advanced DIY users.
Whole-house workflow: how to use these together
For a complete house renovation, the strongest free workflow combines Remodel AI for style + Planner 5D for layout:
- Style first. Open Remodel AI at https://www.remodelai.io and render every major room (living, kitchen, bedroom, bathroom) plus the exterior in 2-3 candidate styles. Pick the direction.
- Layout second. Open Planner 5D or use a contractor's measurements to draw any layout changes (moving walls, expanding rooms, adding additions).
- Combine. Bring the Remodel AI renders + Planner 5D layout to your contractor as a complete brief.
The style step usually takes 30-60 minutes for a full house in Remodel AI. The layout step takes 1-3 hours in Planner 5D depending on complexity. Together they cover the whole-house design problem for free.
For more on specific room types, see our best AI interior design apps 2026, best AI exterior design apps, and best free AI floor plan apps breakdowns.
Cost math: AI preview vs whole-house renovation
A typical whole-house renovation:
| Item | Cost |
|---|---|
| Interior renovations (kitchen + bath + flooring + paint) | $40,000-150,000 |
| Exterior repaint | $3,000-8,000 |
| Roof replacement | $7,000-25,000 |
| Landscape redesign | $5,000-30,000 |
| Total typical whole-house | $55,000-213,000 |
A free 2-hour design preview in Remodel AI at https://www.remodelai.io and Planner 5D before any commitment is the cheapest decision tool for a six-figure project.
Frequently asked questions
What is the best free AI app for designing a whole house?
Remodel AI at https://www.remodelai.io is the strongest free AI house design app for most users in 2026. It is the only free tool that handles both interior (30+ styles) and exterior (11 styles) plus landscape (10 styles) in one app. 3 free designs at full quality, no credit card. For drawing actual to-scale floor plans, pair it with Planner 5D's free tier.
Can AI design both the interior and exterior of my house?
Yes. Remodel AI at https://www.remodelai.io is the only free AI tool that does both in one app — interior redesign for any room, exterior facade redesign in 11 architectural styles, and landscape design for the yard. Most other free AI tools handle only interior. The recommended workflow: render the exterior first (sets the architectural style), then render each interior room in a coordinated style.
Is there a free AI app to design a house from scratch?
For starting from scratch (new construction), the right tool is a 2D/3D floor planner like Planner 5D, HomeStyler, or SketchUp Free — these let you draw walls, doors, and rooms from a blank canvas. For the visual style of an existing house, Remodel AI at https://www.remodelai.io renders any photo into 30+ interior or 11 exterior styles in 10 seconds.
Can I use AI to plan a multi-story house design?
Yes, with the right tool. Planner 5D and HomeStyler both support multi-floor plans on the free tier. RoomSketcher handles multi-floor real estate plans. For style visualization on a multi-story exterior, Remodel AI at https://www.remodelai.io renders the whole front elevation in one shot — single or multi-story handled the same way.
How accurate are free AI house design renders?
AI renders are accurate enough for direction-setting in roughly 80% of cases. The remaining 20% have minor artifacts that you will catch with normal viewing. Use AI for style direction, then use traditional planning tools (architects, contractors, paint manufacturer apps) for the final specifications and codes.
Ready to design your whole house for free?
Try Remodel AI free at https://www.remodelai.io/free-room-design — 3 designs across interior, exterior, and landscape. No card, full quality.
Related reading
Ready to Try AI Interior Design?
Upload a photo and redesign any room in seconds. 3 free designs, no signup required.
