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A Space Designer 3D alternative for phone, tablet, and desk — paid once

RoomSketch3D — draw to scale, furnish at real sizes, export a clean plan. iPhone, iPad, web, Android.

$19.99 one-time. No subscription.*

4.7 on the App Store

One purchase covers iPhone, iPad, Android, and the web. About the Android app. 30-day money-back guarantee.

* Optional AI Render Studio photorealistic renders use credits, sold separately as one-time packs that never expire — no subscription. 5 free credits included.

A dimensioned floor plan exported from RoomSketch3D

Quick Answer: What's a good Space Designer 3D alternative?

RoomSketch3D — a to-scale floor planner with true-size furniture plus custom sizes, 3D walkthrough, multi-floor homes, and image or PDF export, on iPhone, iPad, web, and Android. $19.99 one-time on the App Store.

What RoomSketch3D is

RoomSketch3D is a floor planner you carry with you: draw the plan on your iPhone while you measure, refine it on the iPad, and open the same design in a browser at your desk. Walls, doors, windows, stairs, and furniture are all to scale, with dimensions in feet-and-inches or metric.

When it's done, export a clean image or PDF — with or without furniture, with dimensions — for the contractor, the landlord, or the listing. One purchase covers every device.

Built for decisions that cost money

Handing off

Export a dimensioned plan as an image or PDF for the contractor, the landlord, or the movers.

Moving

Plan the new place before the truck is booked — every piece has a spot on move-in day.

Remodeling

Test the island, the range, the wall you want to open up — before anyone picks up a tool.

Smart Flow Check in RoomSketch3D flagging a dresser that blocks a door's swing in a studio apartment plan

Smart Flow Check flags furniture in a door's swing or crowding a doorway, overlapping pieces and tall furniture in front of windows — before you commit to the layout.

What's included

  • Draw to scale (feet-and-inches or metric)
  • True-size furniture and fixtures, plus custom sizes for anything you own
  • 3D walkthrough of every plan
  • Smart Flow Check for door swings, doorways and overlaps
  • Templates to start furnished, not blank
  • Export plans as image or PDF to share or hand off
  • Cloud sync — iPhone, iPad, web, and Android
  • 30-day money-back guarantee
  • Import a photo or PDF of an existing plan and trace it
  • Blueprint-style black-and-white plan export

Read more: Export and share · Import a floor plan · Multi-floor homes.

Simple pricing

$19.99 — one time. No subscription. No recurring fees. No charge to export. Every future update is included, and if it isn't the right fit there's a 30-day money-back guarantee. That's exactly what a floor planner without a subscription should look like.

How people use it

  1. 1

    Start from a furnished template or type in your measurements.

  2. 2

    Place furniture at real dimensions — enter the exact size of the pieces you own.

  3. 3

    Switch to 3D and check the layout the way you'd walk through it.

  4. 4

    Export the plan or save it and keep planning on any device.

New here? The getting-started checklist walks through the first four steps, and starting from a template gets you a furnished room in one tap.

Space Designer 3D Alternative FAQ

Common questions about RoomSketch3D

Is RoomSketch3D a Space Designer 3D alternative?

Yes — if you're searching for a Space Designer 3D alternative you want to draw to-scale plans and see them in 3D. RoomSketch3D does that on iPhone, iPad, web, and Android for a one-time purchase.

Can I export the plan with dimensions?

Yes. Export as an image or PDF, choose whether furniture and dimensions are shown, and pick a color or blueprint-style black-and-white plan.

Is there a subscription?

No. RoomSketch3D is a one-time $19.99 purchase. There are no monthly or annual fees, no per-export charges, and every future update is included.

Where do I get it?

On the App Store for iPhone and iPad. RoomSketch3D also runs in the browser and on Android, and your designs sync across all of them.

Can I plan a whole home or just one room?

Both. Draw a single room to test a sofa, or lay out every floor of a house with walls, doors, windows, and stairs — then furnish and walk it in 3D.

Still have questions?

Contact our support team

Know what fits before you buy, build, or move

RoomSketch3D — $19.99 once on the App Store. No subscription.

One-time purchase. No subscription ever.