Comparison

AI Interior Design Home Decor vs Preview3D

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

AI Interior Design Home Decor

Generate interior design ideas for any room in your home using AI. Get unique concepts and sharp image results in seconds for new builds or remodels. Explore various styles for living rooms, bedrooms, kitchens, and more.

Highlights
  • AI-powered interior design
  • Generate design ideas
  • Variety of styles
  • Sharp image results
  • Room redesign
  • Home decor inspiration
Features
Read full description

DESIGN YOUR HOME INTERIOR WITH AI Don't have a design idea for your new home, especially the rooms inside that house? Want a new space, color in your home but don't know where to start? Are you looking to repair old walls or redesign old furniture in your house but have no idea? A lot of interior design ideas inside the house, from living room, bedroom to kitchen ... solve your problems very quickly. Design will be available in seconds with a variety of styles, unique interior ideas, sharp image results, this will be a whole new style for a new home or remodel old rooms. Subscription auto-renew at the end of subscription period, unless cancelled 24-hours in advance prior to the end of the current period. The subscription fee is charged to your iTunes account at confirmation of purchase. You may manage your subscription and turn off auto-renewal by going to your Account Settings after purchase. Per Apple policy, no cancellation of the current subscription is allowed during active subscription period. Once purchased, refunds will not be provided for any unused portion of the term. Terms of use: https://sites.google.com/view/the-room-designer/terms-of-service Privacy policy: https://sites.google.com/view/the-room-designer/privacy-policy

About

Preview3D

View and inspect a wide range of 3D file formats natively on your iPhone and iPad. Supports CAD, mesh, and 3D printing files with detailed information and AR capabilities. Offline functionality ensures privacy and speed.

Highlights
  • Native viewer for STEP, STL, 3MF, G-code, and more
  • Detailed model inspection (dimensions, volume, surface area)
  • Full-color 3MF rendering
  • Augmented Reality (AR) Quick Look integration
  • Offline functionality, no account or web uploads
  • Quick Look and 3D thumbnail support in Files app
  • Universal purchase for iPhone, iPad, and Mac
Read full description

Preview3D is a fast, native iPhone and iPad viewer for the 3D formats you actually use — from CAD to mesh to 3D printing — in one clean window. Open a STEP file from a vendor, a painted 3MF from your slicer, or an STL someone sent you, and see it instantly — in the app, or right in the Files app with Quick Look and 3D thumbnails. No web uploads, no account, no clutter. SUPPORTED FORMATS • STEP / STP, STL, OBJ, PLY • glTF / GLB, USDZ / USD, COLLADA (DAE) • 3MF — including painted multi-material prints • FBX, 3DS, X3D, LWO, MS3D, AC, AMF, OFF and more (via Assimp) • G-code and PrusaSlicer binary G-code (.bgcode) REAL STEP SUPPORT Preview3D reads STEP with a pure-Swift B-rep kernel: watertight tessellation and crease-aware normals straight from the exact geometry, so cylinders stay smooth and edges stay crisp. Files that carry colors (STYLED_ITEM) render each part in its assigned color. INSPECT Open the info panel for bounding-box dimensions, volume, surface area, watertightness and structure — solids, faces, edges, triangles and vertices. 3D-PRINTING FILES Open your slicer's G-code or PrusaSlicer .bgcode, orbit the print toolpath in 3D, flip to the embedded preview image, and read the print stats — time, filament, weight, layer height and material. 3MF, IN FULL COLOR Multi-material painting from PrusaSlicer and Bambu Studio is decoded and rendered in its filament colors — including fine sub-facet brush detail — so you can preview a finished multi-color print before it leaves the slicer. Colors written into a 3MF by CAD tools and converters show too. SEE IT IN YOUR ROOM View any model in AR with AR Quick Look — place it on your desk or the floor and walk around it. SCAN A CODE, SEE THE MODEL A Preview3D QR code next to a printed model opens it in 3D and AR — even for someone who hasn't installed the app, through an App Clip. Make codes for your own Printables models, free, at preview3d.xfanta.com/qr. QUICK LOOK & THUMBNAILS Preview supported files right in the Files app, and get real 3D thumbnails — including STEP, painted 3MF, COLLADA (DAE), FBX and 3DS that iOS can't render on its own. Keep your models in the Preview3D folder in Files and reopen them anytime. SHARE Send a PNG snapshot of the current view to any app. Placing a model in AR? Share it as USDZ right from there. BUILT FOR IPHONE AND IPAD A real native app built on SceneKit and Metal — quick to launch, quick to orbit. Fully offline: everything runs on your device, no account, no network. iOS and iPadOS 17 or later. BUY ONCE, USE EVERYWHERE Preview3D is a universal purchase: one purchase covers the iPhone, iPad and Mac apps. The Mac version adds PMI / GD&T (AP242) reading, assembly trees with per-part isolation, and one-click conversion to STL, OBJ, GLB and USDZ. Note: measurements are produced by automated tessellation and are provided for convenience — always verify against your authoritative CAD source for manufacturing-critical work.

Screenshots

AI Interior Design Home Decor4 screens
Preview3D4 screens

Verdict

The call

The clearest difference is review sentiment: Preview3D at 100% against AI Interior Design Home Decor's 36%. Preview3D also leads on in-app purchases (none vs 6) and ads (none vs shown). AI Interior Design Home Decor's advantage is price (Free vs $9.99) and iOS requirement (15.0 vs 17.0). On device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

AI Interior Design Home Decor is free to download; Preview3D costs $9.99 up front. AI Interior Design Home Decor sells 6 in-app purchases, starting at $4.99 per 7 days. Preview3D asks for nothing beyond the download.

UpkeepUpdate frequency

AI Interior Design Home Decor ships an update every 3 weeks, Preview3D weekly. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

Scorecard8 real differences · 3 level
AI Interior Design Home Decor versus Preview3D: the parameters behind the verdict, then further details
ParameterAI Interior Design Home DecorPreview3D
PriceFree — better$9.99
Rating4.3 (780 ratings) — better—
Positive reviews35.8% of reviews100.0% of reviews — better
Number of ratings780 — better—
Update frequencyEvery 3 weeksWeekly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
Best chart rank—#61 — better
DevicesiPhone, iPad, iPodiPhone, iPad, Mac, Vision Pro — better
Requires iOS15.0 — better17.0
Further details — not scored
Size202 MB14 MB
Age rating4+4+
DeveloperNgoan Doan ThiMichal Fanta

Customer experience

AI Interior Design Home Decor

All ratings775 ratings
Positive81.4%
Neutral2.7%
Negative15.9%
Written reviews67 reviews
Positive35.8%
Neutral0.0%
Negative64.2%

Preview3D

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

AI Interior Design Home Decor

Reported bugs

3 issues
  • App crashes on launch
  • Subscription issues
  • Incorrect room dimensions

Requested features

4 requests
  • More customization options
  • Ability to upload own furniture
  • Improved room scanning capabilities
  • Better integration with home measurements

Preview3D

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

AI Interior Design Home Decor

Subscriptions5
  • Premium Weekly$4.997 Days
  • Premium Monthly$9.991 Month
  • Sale One Time Yearly$19.991 Year
Show 2 more
  • Flash Sale Yearly$29.991 Year
  • Premium Yearly$39.991 Year
One-time1
  • Premium Lifetime$59.99
None

Preview3D

No in-app purchases

Questions

Is AI Interior Design Home Decor free?
AI Interior Design Home Decor is free to download, with in-app purchases available.
Is Preview3D free?
Preview3D costs $9.99, with no in-app purchases.
Do AI Interior Design Home Decor or Preview3D have ads?
AI Interior Design Home Decor shows ads; Preview3D does not.
Which is updated more often, AI Interior Design Home Decor or Preview3D?
AI Interior Design Home Decor ships an update every 3 weeks, and Preview3D weekly. Most recently, AI Interior Design Home Decor was updated on October 27, 2026 and Preview3D on October 28, 2026.

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