Arcadium 3D vs Coohom: Which Should You Use?
The verdict
Arcadium 3D and Coohom are both home & construction design tools, compared here side by side. Arcadium 3D is free, with limits ($18/mo) and runs in any web browser with nothing to install; Coohom is free, with limits ($9.90/mo) and runs in any web browser with nothing to install. Arcadium 3D is easy to learn, while Coohom is moderate — a real factor if you are just starting out.
Free tiers & pricing last verified Jun 23, 2026.
Pick Arcadium 3D if…
Free, with limitsInterior designers, DIY renovators, and real-estate stagers who want fast browser 3D mockups and AI renders with easy sharing.
Pick Coohom if…
Free, with limitsResidential interior designers and small firms who think floor-plan-first and want planning plus photorealistic cloud rendering in one tool.
Side by side

Arcadium 3D
Free, with limitsFree forever (not a trial) with the full library and real-time 3D, but capped at 2 projects and roughly 30-50 objects each, with no custom-model import and only limited AI render credits before you need Pro.

Coohom
Free, with limitsFree to design and view in 3D in-browser, but free renders are capped at around 10 standard renders a month and carry a Coohom watermark; HD/4K, panoramas, videos, and watermark removal all require a paid plan.
Read the full reviews
Arcadium 3D
Free forever (not a trial) with the full library and real-time 3D, but capped at 2 projects and roughly 30-50 objects each, with no custom-model import and only limited AI render credits before you need Pro.
Coohom
Free to design and view in 3D in-browser, but free renders are capped at around 10 standard renders a month and carry a Coohom watermark; HD/4K, panoramas, videos, and watermark removal all require a paid plan.
Arcadium 3D vs Coohom: questions, answered
What is the main difference between Arcadium 3D and Coohom?
Arcadium 3D is easy to learn, while Coohom is moderate — a real factor if you are just starting out.
Is Arcadium 3D or Coohom free?
Arcadium 3D is free, with limits and Coohom is free, with limits. Arcadium 3D: Free forever (not a trial) with the full library and real-time 3D, but capped at 2 projects and roughly 30-50 objects each, with no custom-model import and only limited AI render credits before you need Pro. Coohom: Free to design and view in 3D in-browser, but free renders are capped at around 10 standard renders a month and carry a Coohom watermark; HD/4K, panoramas, videos, and watermark removal all require a paid plan.