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.*
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.

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 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
Start from a furnished template or type in your measurements.
- 2
Place furniture at real dimensions — enter the exact size of the pieces you own.
- 3
Switch to 3D and check the layout the way you'd walk through it.
- 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 teamComparing planners?
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.