COMPARISONS11 min read
Free ODEON Alternative — Web-Based Acoustic Design Without the $2,800/Year Fee
ODEON costs $2,800/year, requires Windows, and takes weeks to learn. AcousPlan is free, web-based, and produces ISO 3382-compliant RT60 results in 90 seconds. An honest comparison for architects who need acoustic compliance without a consulting budget.
March 14, 2026ODEON alternativefree acoustic software