Free 3D room acoustics solver and acoustic treatment calculator
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Stage
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Founded
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Based in
HU
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Pricing model
Free
Freemium
Pricing
Not given
Free: 10 credits (up to 10 minutes audio or 3 minutes video). Pay as you go: $11 for 5 hours, $20 for 10 hours, $45 for 30 hours. Monthly subscription: $11/month for 10 hours, $30/month for 30 hours, $90/month for 100 hours. Yearly subscription: same as monthly charged annually.
Key features
3D room builder supporting odd-shaped rooms, sloped ceilings, and attic layouts
Real physics-based acoustic treatment recommendation
Material absorption modeling with coefficients from frontier research
Real product database with 175 products across 37 brands
Before-and-after frequency response and decay time visualization
Studio mode for production work alongside listening room workflow
Rapid analysis completing in 2-10 seconds for position searches and up to a minute for panel placement
Guest access without account signup for full analysis
Room design persistence with optional account creation
Supports MP3, M4A, WAV, and AAC audio formats; MP4, MOV, and WebM video formats
Files stay in browser until confirmed upload
Retry failed tasks from Activity history
Support files up to 1 GB and 30 minutes by default
Subscription credits roll over up to 3 times the plan limit
What makes it different
Uses real room physics and first principles acoustics rather than generic rules
Optimizes for both speaker placement and listening position simultaneously
No account or sign-up required to design and analyze full systems
Handles complex room geometries including sloped ceilings and L-shaped layouts
Integrates real speaker and equipment products with audio system design
No credit card required to start with 10 free credits
Simple 3-step workflow without needing to learn editing software
Transparent credit system with clear per-minute rates
roomtreatment.diy