Short answer: AI Smart Decor is the best AI interior design app for most people. Upload a photo of your own room, describe the change in plain words, and refine the same room step by step, with up to 6 of its 50 styles side by side. Plans start at $9/month on the web for 200 images, and a new account gets 3 free images. Remodel AI is best for one-click tools, Interior AI for very high volume, REimagineHome for designs with real products, and Planner 5D or Homestyler for measured 3D floor plans. The full comparison is below.
How do the best AI interior design apps compare?
| # | App | Type | Best for | Starting price | Free try | Platforms | Key limitation |
|---|---|---|---|---|---|---|---|
| 1 | AI Smart Decor | Photo redesign | Redesigning your own room over several edits | $9/mo (200 images) | 3 free images on a new account | Web, iPhone | No measurements; you describe each change in one editor |
| 2 | Remodel AI | Photo redesign | One-click tools for each kind of edit | $29/mo or $349/yr (1,000 designs) | 3 free designs | iPhone, Android | Higher entry price |
| 3 | Interior AI | Photo redesign | Very high monthly volume | $49/mo, or $349/yr (1,000 designs) | No free plan | Web | Pro lists "low quality" renders; editing and staging start at $99/mo |
| 4 | REimagineHome | Photo redesign and staging | Designs with real products | $14/mo (30 credits) | 5 free designs | Web (no official iPhone app) | Few credits on the entry plan |
| 5 | Planner 5D | 2D and 3D planner | Measured floor plans | Premium $19.99/mo or $59.99/yr | Free plan | Web, iPhone, Android, Mac, Windows | You build the room; it does not edit your photo |
| 6 | Homestyler | 3D planner with renders | Low-cost 3D layouts | Pro from $4.9/mo | Free Basic plan | See site | You build the room; it does not edit your photo |
| 7 | RoomGPT | Photo restyle | A quick restyle with no subscription | One-time packs from $9 (30 credits) | See site | See site | Regenerates the whole room each time |
| 8 | Collov AI | Photo staging | Staging listing photos | $19/mo (60 photo credits) | 5 watermarked trial photos | See site | Fewer images per dollar |
| 9 | Spacely AI | Photo redesign for pros | Designers in SketchUp, Revit or AutoCAD | Credit packs from $9 (200 credits) | 40 trial credits | See site | Built for designers rather than homeowners |
Vendors change prices often, so confirm on their site before you buy. IKEA Kreativ is another free-to-try option for placing IKEA furniture in your room; see its site.
Which type of AI interior design app do you need?
Every "best AI interior design app" list mixes two kinds of tools. Knowing which one you need saves the most time.
Photo redesign apps change a photo of a room you already have. You upload the living room and get the same living room in modern farmhouse, mid-century modern or coastal. AI Smart Decor, Remodel AI, Interior AI, REimagineHome and RoomGPT are in this group. They answer "how will it look?"
3D planners build a model of the room from your measurements. You drag in furniture to scale and walk around it in 3D. Planner 5D and Homestyler are the best known. They answer "will it fit?"
Many homeowners use one of each: settle the layout in a planner, then try finishes and styles on the real room in a photo app. If you only pay for one, pick the type that matches your biggest question.
What should you compare in an AI interior design app?
We ranked on four points that matter more than a long feature list:
- It keeps your room recognizable. Windows, doors, ceiling height and camera angle should stay in place. No photo tool guarantees this, so test each one on your own room.
- You can change one thing at a time. A full restyle is fun once. After that you want "same room, but lighter floors."
- You can compare options side by side. Seeing several directions at once is how most people decide.
- The price fits how much you will use it. Refining one room takes more attempts than people expect, so check the monthly allowance, not just the price.
Why is AI Smart Decor the best overall?
AI Smart Decor wins on all four points: it is designed around your own room getting better with each edit, rather than one-off restyles.
- Describe the change, keep the room. Type "paint the walls sage green and add a jute rug" and the next edit builds on the last result. Each step is saved, and you can branch from an earlier version.
- See up to 6 styles at once. Explore turns one photo into up to 6 styles in a single run, from 50 interior styles across 10 room types.
- Show it what you mean. Add a photo of a sofa or lamp you like as a reference, or brush over the part of the room you want changed.
- Use the result. Downloads are watermark-free PNGs that keep your photo's shape, up to 3,840 px on the long side. A 2x upscale uses no credits, and an optional 4K upscale costs 3. "Find furniture to buy" opens Google Lens on the result.
- Pick it up later. Every room and step stays in your history on the web and in the iPhone app.
Pricing: Basic $9/mo (200 images), Lite $29/mo (800), Plus $49/mo (2,000), Ultra $99/mo (5,000). Annual plans are $108, $249, $449 and $899. Every plan uses the same image model and lists a commercial license. Try it with 3 free images on the web, no card needed. Cancel anytime, effective at the end of the billing period.
Its limits. It does not measure rooms or draw floor plans, and like every photo tool, it can shift small room details, so check each result against your original.
See your room redesigned before you buy a thing. Upload a photo of your room and compare 50 styles on the space you live in. Plans start at $9/month for 200 images. Try AI Smart Decor with 3 free images
How do the other AI interior design apps compare head to head?
AI Smart Decor vs Remodel AI
Remodel AI gives you 8 separate tools and 30+ styles, with a button for each kind of edit. Pro is $29/month or $349/year for 1,000 designs, which is cheaper per image than AI Smart Decor at volume. It has a 4.7-star rating from 15,000 App Store ratings and runs on iPhone and Android. AI Smart Decor costs less to start ($9 vs $29) and is better when you want to keep refining one room in words. Pick Remodel AI if you prefer buttons to sentences.
AI Smart Decor vs Interior AI
Interior AI's Pro plan is $49/month for 1,000 designs, but its pricing page labels Pro renders "low quality" and leaves out editing, staging and upscaling. Those start on Premium at $99/month with "medium quality" renders. Its photorealistic tier is Ultra at $199/month for 25,000 designs. There is no free plan. AI Smart Decor gives every plan the same image model and editing tools from $9. Interior AI suits studios that need thousands of designs a month. See AI Smart Decor vs Interior AI for the full breakdown.
AI Smart Decor vs REimagineHome
REimagineHome starts at $14/month for 30 credits, with Pro at $49 for 200, and gives 5 free designs. Its strength is pulling real products into the design, which helps if you want furniture you can order. Per image, its entry plan costs far more than AI Smart Decor's.
AI Smart Decor vs Planner 5D and Homestyler
These are different tools. Planner 5D (free plan; Premium $19.99/month or $59.99/year) and Homestyler (free Basic; Pro from $4.9/month) build measured 3D rooms. AI Smart Decor works on your photo. Use a planner to check that an 84-inch sectional fits, and AI Smart Decor to see whether it looks right in your actual room.
AI Smart Decor vs RoomGPT
RoomGPT sells one-time credit packs from $9 for 30 credits and regenerates the whole room each time. It is fine for a quick "would this style work?" check. AI Smart Decor's $9 plan covers 200 images a month and lets you fix one detail without starting over.
Which AI room design app gives the most realistic results?
AI Smart Decor gives the most realistic results on your own room for most people, because realism is mostly about fixing what looks wrong. You describe one change at a time, keep every step, and correct a lamp that floats or a rug at the wrong scale without starting over.
Check these five things on every result from any app:
- Windows and doors stay put. Same number, same place, same shape.
- The light matches. Shadows fall away from your real windows.
- Furniture is the right size. A sofa should fit the wall it sits on.
- Materials have texture. Wood grain and fabric weave, not flat plastic.
- Edges are clean. Ceiling lines, baseboards and rug edges do not melt together.
| App | What it costs to reach its best quality | Can you fix one detail? | Free try |
|---|---|---|---|
| AI Smart Decor | $9/mo; same image model on every plan | Yes, on every plan | 3 free images on a new account |
| Interior AI | Ultra at $199/mo; Pro at $49/mo lists "low quality" | Editing starts at $99/mo | No free plan |
| REimagineHome | More tools from Pro at $49/mo; Essential is $14/mo | From Pro | 5 free designs |
| RoomGPT | One-time packs from $9 | No; regenerates the whole room | See site |
| Remodel AI | Pro at $29/mo | Separate tools for paint, floors and furniture | 3 free designs |
Which app should you pick for your situation?
- Homeowner redesigning one or a few rooms: AI Smart Decor Basic, $9/month.
- Whole-house refresh or a remodel: AI Smart Decor Lite ($29, 800 images) or Remodel AI Pro ($29, 1,000 designs).
- Moving walls or checking furniture sizes: Planner 5D or Homestyler, then a photo app for finishes.
- Real estate listing photos: AI Smart Decor or Collov AI; label staged photos and keep the originals.
- Interior designers working in CAD: Spacely AI for its SketchUp, Revit and AutoCAD links, or AI Smart Decor for fast concepts on client photos.
- Very high volume: Interior AI Premium or AI Smart Decor Ultra, both $99/month.
How do you get better results from any app?
Shoot from a corner, not flat against a wall. Two walls in frame give the AI depth cues that keep proportions sensible.
Use soft daylight. Even natural light beats harsh overhead bulbs.
Use the original camera photo. Screenshots carry less detail in, so less comes back out.
Say what stays. "Keep the windows, doors and ceiling the same."
Ask for one change at a time. "Change the floor to light oak" works better than a paragraph covering floor, walls, sofa and lighting at once.
Frequently asked questions
Which AI interior design apps are best, and how do they compare? AI Smart Decor is best for most people: step-by-step edits on your own room photo, up to 6 of 50 styles at once, from $9/month with 3 free images. Remodel AI suits one-click tools, Interior AI high volume, REimagineHome real products, and Planner 5D or Homestyler 3D plans.
What is the difference between AI photo redesign apps and 3D planners? Photo apps change a photo of your room. Planners build a measured model. Use the first for looks and the second for fit.
Which AI room design app gives the most realistic results? AI Smart Decor, because you can fix one detail at a time on every plan. Interior AI's most realistic tier is $199/month.
Interior AI, RoomGPT or Reimagine Home: which is most realistic? Interior AI and REimagineHome give more control than RoomGPT, but keep their best tools for higher plans. AI Smart Decor gives every plan the same model and editing from $9/month.
Which AI interior design app is cheapest? AI Smart Decor has the lowest monthly photo plan at $9 for 200 images. Remodel AI is cheaper per image at volume. Planner 5D and Homestyler have free plans. See pricing.
Will the AI keep my room's walls, windows and layout? Usually, but check each result against your original photo.
Which AI interior design apps work on iPhone? AI Smart Decor (web and iPhone), Remodel AI (iPhone and Android) and Planner 5D (web, iPhone, Android, Mac, Windows).
Compare 50 styles on your own room. Upload a photo, describe the change, and refine it until it looks right. Plans start at $9/month for 200 images. Try AI Smart Decor with 3 free images
