Arcadium 3D vs Sweet Home 3D: Which Should You Use?
The verdict
Arcadium 3D and Sweet Home 3D 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; Sweet Home 3D is truly free (Free) and runs in any web browser with nothing to install. The biggest difference is cost: Sweet Home 3D is truly free, while Arcadium 3D is free, with limits (from $18/mo).
Free tiers & pricing last verified Jul 3, 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 Sweet Home 3D if…
Truly freeBudget-conscious DIYers and Linux users who want a truly free 2D/3D planner with free photoreal renders.
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.
Sweet Home 3D
Truly freeCompletely free and open-source for personal and commercial use with no feature paywall; the only real limit is that the online and mobile versions can't import custom 3D models or export OBJ, which the desktop app handles.
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.
Sweet Home 3D
Completely free and open-source for personal and commercial use with no feature paywall; the only real limit is that the online and mobile versions can't import custom 3D models or export OBJ, which the desktop app handles.
Arcadium 3D vs Sweet Home 3D: questions, answered
What is the main difference between Arcadium 3D and Sweet Home 3D?
The biggest difference is cost: Sweet Home 3D is truly free, while Arcadium 3D is free, with limits (from $18/mo).
Is Arcadium 3D or Sweet Home 3D free?
Arcadium 3D is free, with limits and Sweet Home 3D is truly free. 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. Sweet Home 3D: Completely free and open-source for personal and commercial use with no feature paywall; the only real limit is that the online and mobile versions can't import custom 3D models or export OBJ, which the desktop app handles.