Best Interior Design Software in 2026 (Free & Paid, Tested)

Q: Which renders look real?

Coohom/Foyr with daylight HDRI + soft shadows. Avoid nightonly renders — they hide proportion errors.

Planner 5D vs SketchUp vs Homestyler vs Coohom vs Foyr: which is best for flat layouts, kitchen planning and 3D renders?

You do not need AutoCAD to plan a 2BHK. For most homeowners, a free floor planner + one 3D view beats hiring for concept stage.

Quick picks

Best free flat layout: Planner 5D / Homestyler (drag walls, 2D+3D in browser)
Best kitchen detail: IKEA Kitchen Planner (free) + Coohom for cabinets
Best pro concept: SketchUp + V-Ray / Enscape (learning curve, best control)
Best fast renders for clients: Coohom / Foyr Neo (templates, quick 4K)

Compared

| Tool | Free plan | Paid | Learning | Best for | |---|---|---|---|---| | Planner 5D | Yes, limited catalog | $9.99/mo | 1 hr | Quick flat idea | | Homestyler | Yes generous | $9.9/mo | 1 hr | Bedroom/living 3D | | Coohom | Trial | $29+/mo | 3–5 hr | Kitchen + 4K render | | SketchUp Free/Web | Yes basic | $119/yr Go | 1–2 days | Accurate plan | | Foyr Neo | Trial | $49+/mo | Half day | Designer client work |

Workflow that works (weekend plan)

Day 1 morning: measure with laser (walls, doors, windows, heights). Draw 2D in Planner 5D. Day 1 evening: try 2 furniture layouts (TV wall flipped, dining round vs rectangle). Day 2: export top view + 2 3D shots, send to carpenter/designer for quote. Saves 1 revision cycle.

Accuracy tip: draw wall thickness (5 inch interior, 10 inch exterior). Most beginners draw thin walls and sofa never fits.

When to hire for 3D

Pay MAD 430–1,020 in Morocco ($150–400 US) for 3–4 photoreal views after you lock layout. Do not pay for 3D before measuring and freezing appliance sizes — renders get redone.

Measuring like a pro (software is useless without it)

Garbage in, render out. Before opening any app, measure walls (length + height), door swings (width + hinge side), window sill height, beam depths, and socket positions. Laser measure (MAD 210) pays for itself — tape sags 1–2 inch over 12 ft and sofa suddenly blocks door.

Draw wall thickness correctly: 5-inch interior, 10-inch exterior in Morocco. Beginners draw hairlines and wonder why 7-ft sofa does not fit 10-ft wall with 2 doors. Mark North for light direction — planners with sun simulation show harsh west glare vs soft east morning, which decides curtain and desk placement.

Photograph each wall straight-on + one video walkthrough. When you model, keep photos beside screen; 80% of errors are missed beams or low windowsills.

Free planners export low-res images — enough for quotes but not execution. For carpenter, add hand notes: counter height 34 inch, wall cabinet bottom 54 inch from floor, wardrobe depth 22–24 inch, loft depth 10 inch. One A4 top view + 2 3D shots + measurement list gets accurate quotes; 3D alone gets guesswork.

Originality tip for your own blog or portfolio: never publish raw planner screenshots as final content — they look thin and duplicate thousands of users. Redraw key plan in your style, add your measurements, material notes, and before/after photos. That transforms generic software output into unique, AdSense-safe content Google rewards.

FAQ

Can I plan electrical in free software? Yes for layout + sizes. Contractor still needs section with heights (counter 34 inch, wall cabinet bottom 54 inch from floor) — note by hand.

Which renders look real? Coohom/Foyr with daylight HDRI + soft shadows. Avoid night-only renders — they hide proportion errors.

Free vs paid renders: when to upgrade

Free plans cap catalog size and render resolution — fine for layout, weak for material decisions. Upgrade for one month (not yearly) when finalizing kitchen and bath: export 4K daylight + night views, test laminate codes under warm light. One month of Coohom or Foyr (MAD 260–430 equivalent) is cheaper than one wrong shutter order (MAD 1,280).

Paid value is templates: modular kitchen blocks with real hinge clearances, wardrobe interiors with shelf heights. Free drag-boxes ignore 2mm gaps and door swings — carpenters laugh at them. Use paid trial to generate cut list: shutter sizes, counter running feet, hardware counts. That list is what gets comparable quotes.

After project, cancel and keep PDFs. For bloggers: redraw one plan in your own style with measurements and cost notes — that unique diagram outranks ten generic screenshots and keeps AdSense content original.