Left: a GarageBand-style building mixer. Click tracks to toggle them. The output (yield) updates instantly. Right: the same building in a traditional CAD workflow. Same engine, different time-to-answer.
TestFit / GarageBand model~90 seconds
ProgramLayoutPro FormaYield
Time to first answer90 sec
Iterations / hour40
Operator skillAnyone
Learning curve5 min
Annual cost$5K
Traditional CAD / Revit model~3 weeks
Time to first answer3 weeks
Iterations / hour0.02
Operator skillLicensed architect
Learning curve2 years
Annual cost$45K (seat + labor)
Learning curve vs Capability
Active tracks
—
Yield
—
Speed ratio
—
User gap
10×
GarageBand's move: same engine, different interface, different assumed user, massive expansion of who can create. Design tools for buildings need the same move.