Every floor plan tool has a paywall somewhere. The interesting question is not whether it exists, it is what you lose on the free side and whether the paid side is worth the subscription.
I run Ritn3D so I have skin in this - our free tier is unusually generous (unlimited editor, unlimited PNG and PDF export, no watermark) and our paid tier is $9.99-19.99/mo. I have tried to write this so you know when to skip our paid tier entirely and when to consider it, along with the same call for competing tools.
Here is what the free vs paid split actually looks like across the category in 2026.
What free tiers typically include
Most free floor plan apps give you:
- A basic 2D editor (walls, doors, windows)
- A limited number of active projects or an archive-only setup
- Export as image (usually PNG or JPG, watermarked or pay-per-export)
- Access to a partial furniture catalog (with some items marked Premium)
- Basic 3D view (often watermarked, sometimes with reduced quality)
- Cloud save for the plans you can create
That is the shape of "free" for Planner 5D, RoomSketcher, HomeByMe, Coohom Trial, and most of the category.
Two tools break this shape:
- Ritn3D - unlimited free 2D editor, unlimited PNG and PDF export, no watermark on the editor output, AI 3D conversion capped at 3/month free (free Google or email sign-in required)
- Sweet Home 3D - completely unlimited and no watermark on desktop and in the browser (open source, GPL); its official iOS and Android apps are paid
Everything else caps you somewhere - Planner 5D free is unlimited projects but every render is watermarked and low-res with ~50% of the catalog locked; RoomSketcher free is a 10-project archive with $38/level export fees.
Common free-tier gotchas
Watermarks. Almost universal on free 3D renders. Ritn3D and Sweet Home 3D are the main exceptions. Watermarks are fine for personal use but useless for anything client-facing.
Plan count and archive limits. Some tools limit active projects on the free tier. RoomSketcher free is a 10-project archive - your projects live but exports are gated. Planner 5D free lets you save unlimited projects but every render is watermarked.
Export fees. RoomSketcher charges $38 per level to export a floor plan on the free tier. Change a wall and re-export? Pay again.
HD/PDF locked. Free tier usually gets low-res PNG. HD PNG or PDF requires paid.
Feature previews that don't work. Some tools show paid features in the free UI - you can click them, but the actual result is locked. Frustrating but common.
Ads. Planner 5D shows ads in the free tier. Others don't. Not a huge deal but worth knowing.
Cloud save that only works when signed in. If your free tier requires sign-up for cloud save, and you skip sign-up, you lose plans between sessions. Ritn3D requires a free sign-in up front, so your plans are always attached to an account rather than stranded in one browser.
What paid tiers unlock
The genuine upgrades you get for paying, across the category:
- Unlimited plans and exports (removes the free-tier count/watermark caps)
- CAD export (DWG, DXF) for pros who work in AutoCAD, Revit, ArchiCAD downstream
- HD renders and PDF export for print-quality client output
- Full furniture catalog - the good items are usually paid-tier
- 3D walkthrough / VR mode - Ritn3D includes walk mode on Pro
- STL/GLB export for 3D printing or Unity/Unreal use - Ritn3D Pro+ ships this
- Multi-user collaboration - some tools
- Cloud sync across devices
- Priority support
- Ad removal
Not every paid tool ships all of these. Ritn3D Pro+ is the only tool in our AI-to-3D category review that ships native STL export for 3D printing. CAD export is a Planner 5D and SmartDraw thing. HD renders are common.
When free is enough
You are fine on a free tier if any of these describe you:
Single-project user. You are drawing one floor plan for your own home renovation, or your own move, and you will not open the app again after this project. Any free tier fits, but Ritn3D's unlimited plans and unwatermarked exports mean you can iterate freely without every render getting stamped like on Planner 5D.
Sketching for personal use. Rough plans for furniture arrangement, kids' room layout, thinking through a build. Free is fine anywhere.
Trying before buying. You want to know if the tool fits your workflow before committing to a subscription. Every tool with a free tier is designed for this.
Renter, not owner. You don't need CAD export, you don't need 3D printed models, you just want to know if the couch fits.
Occasional real estate use. One or two listings a month with basic 2D plans - Ritn3D free (3 AI 3D conversions/mo, unlimited 2D editor) or a competitor free tier can cover this.
When paid is worth it
Paid pays for itself if any of these describe you:
High-volume real estate agent. 10+ listings per month. The time you save on unlimited exports and HD renders is worth 10x the subscription cost. See the AI floor plan to 3D comparison for volume-friendly options.
CAD workflow downstream. You draw the plan in the app, then hand it to an architect or engineer who works in AutoCAD/Revit. Free tiers don't export CAD - paid does.
Client-facing deliverables. Anything with a watermark is unusable for client output. Paid.
Multiple projects per month. If you do 3+ separate plans per month, free tier count limits become friction. Paid is $10-20/mo and removes it.
3D printing architectural models. Only Ritn3D Pro+ ships native STL export in the AI 3D category. Paid.
Collaboration. If you need multiple people editing or commenting on the same plan, most collaboration is paid-tier.
What Ritn3D actually locks behind paid
Since we are on this list, here is our own split honestly:
Free forever, unlimited:
- 2D editor (walls, doors, windows, arcs, tracing, PNG and PDF export)
- No watermark on the editor output
- Auto-save drafts on device
- Free Google or email sign-in, about 10 seconds, no card or phone number
- Also 3 AI 3D conversions per month, bird's-eye 3D view, 5 share opens/month
Pro ($9.99/mo, 7-day free trial):
- 20 AI 3D renders/month
- Walk-through 3D mode
- HD textures
- Cloud sync across devices
- Drag-and-drop furniture placement
- 50 share opens/month
- No watermark on 3D renders
Pro+ ($19.99/mo, no free trial):
- 40 AI 3D renders/month
- 10 GLB/STL downloads/month for 3D printing or 3D software
- Extra downloads at $3.99 each
- Everything in Pro
If you never use the AI 3D conversion, the free tier is genuinely enough forever. That is the design.
Category snapshot
| Tool | Free tier verdict | Paid start | Paid worth it if... |
|---|---|---|---|
| Ritn3D | Unlimited 2D free, 3 AI 3D/mo | $9.99/mo | You do 3D conversions often, want walk mode, or need STL export |
| Planner 5D | Unlimited projects, watermark, ~50% catalog locked, ads | $4.99/mo or $59.99/yr | You need the big furniture catalog and want watermark-free renders |
| RoomSketcher | 10-project archive, $38/level to export | $144/yr (Pro, 5 credits/mo) | You are a real estate agent producing listing plans |
| SmartDraw | 7-day trial only, watermarked | $10.95/mo | You need diagramming beyond floor plans |
| Sweet Home 3D | Fully free (GPL), forever, desktop + browser | Phone apps | Paid iOS/Android apps |
| Coohom | Trial only | Enterprise | You are an interior design firm |
Honest take
Free is enough for most homeowners, renters, and casual users. Paid is worth it for pros with recurring projects or specific technical needs (CAD, STL, HD renders, client deliverables).
The line is not free vs paid in general - it is which specific feature you actually need. If you don't need CAD export or high-volume 3D conversion, don't pay for it. If you do, $10-20/mo is a small line item compared to the time saved.
Try the free tier of two or three tools with your actual project before subscribing to any of them. Every paid tier can be started next month if you find yourself hitting the free-tier walls.
Related reading
- Best free floor plan software 2026
- Best AI floor plan to 3D tools 2026
- How to draw a floor plan on your phone
- How to measure a room for an accurate plan
- Free floor plan software
- Floor plan maker
- Floor plan drawing app
- Floor plan editor tool
- For homeowners
- For real estate agents
Start on the free tier. Upgrade when the free tier stops fitting. Any tool that pressures you to upgrade before you have that signal is not worth staying with.
Frequently asked questions
- Is free floor plan software good enough for real use?
- For sketching a single project, sharing a rough layout, or planning furniture - yes, free is enough. For paid work with multiple projects per month, CAD export, or professional client deliverables, paid tiers pay for themselves quickly. The right question is not free vs paid in general, it is which specific feature you actually need.
- What is the most common thing you lose on the free tier?
- Three things almost always: watermarks on exports (Planner 5D free), pay-per-export fees or archive-only projects (RoomSketcher free is a 10-project archive with $38/level export fees), and locked HD or CAD export. Ritn3D is the exception - the editor is free forever with unlimited plans and no watermark on PNG or PDF export.
- Do free floor plan apps have ads?
- Planner 5D shows ads in the free tier. Ritn3D does not - the free editor is genuinely ad-free. Sweet Home 3D has no ads (open source). RoomSketcher and SmartDraw are trial-focused so ads are not really their model. If ad-free is important, Ritn3D or Sweet Home 3D are your options.
- When is paid actually worth it?
- When you would spend more than the subscription cost recovering from the free-tier limits. Real estate agent doing 10+ listings per month? A $10-20/mo paid tier is trivial next to the time you save. Renovation homeowner drawing one plan? Free is enough. Architect needing CAD export? Paid. Renter sketching furniture? Free.
- Can I try paid features before subscribing?
- Most tools offer a free trial for paid features. Ritn3D Pro has a 7-day free trial (Pro+ does not, for fraud protection). Planner 5D offers occasional promo trials. RoomSketcher and SmartDraw effectively are trials - a limited window of full features before the paywall. Sweet Home 3D has no paid tier.
- What about one-time-purchase floor plan software?
- Rare in 2026 - most tools moved to subscription. Sweet Home 3D is the notable free-forever exception (open source, donation-supported). Home Designer Suite is $99-499 one-time for desktop-only pro tools. Most consumer tools are $6-20/mo subscription.