5 Best Interior Design Apps to Redesign Your Home

Planning a renovation or refreshing your home decor used to require tape measures, complex CAD software, or spending weeks drawing floor plans in heavy desktop programs. Thanks to modern mobile tech and artificial intelligence, your smartphone is all you need to visualize any room transformed before spending a single dollar.

We tested the top apps on the market to bring you the 5 best interior design apps based on ease of use, photorealism, and speed.

1. Arquitet IA (#1 Choice - Best & Fastest Photo AI)

Arquitet IA easily takes the top spot by completely eliminating the need to draw floor plans or master complex 3D controls.

Its core innovation lies in advanced generative AI: take a photo of your living room, bedroom, or kitchen, select your desired style (such as Warm Minimalist, Japandi, or Industrial), and in seconds, the app generates photorealistic renders showing your actual space fully redesigned.

• Key Strengths: Works directly on photos of your real room, stunning photorealism, instant speed, zero learning curve.
• Best For: Homeowners who want to test colors, fabrics, lighting, and furniture in their own space before renovating.
• Availability: iOS and Android.

2. Planner 5D

Planner 5D is a classic tool for building 2D and 3D floor plans. It lets you draw walls from scratch, drag furniture from a catalog, and adjust dimensions manually.

• Strengths: Large furniture catalog and layout customization freedom.
• Drawbacks: Requires manual wall drawing and high-quality renders cost extra credits.

3. Houzz

More than just a simulator, Houzz serves as an architectural design community and product marketplace with an augmented reality (AR) feature to place 3D furniture into your room.

• Strengths: Millions of high-res design photos and real product catalog links.
• Drawbacks: AR feature is limited to specific products in their shop.

4. RoomSketcher

RoomSketcher caters to users needing precise floor plans and 3D walkthroughs, making it popular among real estate agents and independent decorators.

• Strengths: Excellent measurement detailing and professional PDF exports.
• Drawbacks: Mobile interface can feel rigid for casual users.

5. SketchUp Mobile / Web

SketchUp is the gold standard for professional 3D architecture modeling. Its mobile app lets users view 3D models created on desktop and measure spaces using LiDAR.

• Strengths: Precision control and full `.skp` file compatibility.
• Drawbacks: High complexity requiring technical 3D modeling skills.

App Comparison Table

Conclusion: Which App Should You Pick?

If you need technical blueprints with precise measurements, apps like Planner 5D or SketchUp work best. But if you want to **instantly see your current room redesigned** without wasting hours drawing walls, Arquitet IA is by far the top choice in 2026.