Sswapr.maltor

Alf.io vs Cal.diy

A side-by-side comparison of Alf.io and Cal.diy — pricing, license, deployment, and where each tool wins.

Alf.io
alf.io

Ticket reservation system.

Cal.diy
cal.diy

Online appointment scheduling system.

FeatureAlf.ioCal.diy
PricingFreeFree
ModelOpen-sourceOpen-source
LicenseCC-BY-SA-3.0CC-BY-SA-3.0
DeploymentSelf-hostedSelf-hosted
CategoryBooking and SchedulingBooking and Scheduling
Self-hosted✓Yes✓Yes
Free tier✓Yes✓Yes

Pick Alf.io if…

  • ✓You prefer Alf.io's feature set or ecosystem fit.

Pick Cal.diy if…

  • ✓You prefer Cal.diy's feature set or ecosystem fit.

Switch from Alf.io → Cal.diy

4–16hmedium risk

Plan a sprint — 4-16 engineering hours, run in parallel for a week.

Export from Alf.io: CSV, JSON
1 things to watch
  • ⚠Manual data review recommended

Switch from Cal.diy → Alf.io

4–16hmedium risk

Plan a sprint — 4-16 engineering hours, run in parallel for a week.

Export from Cal.diy: CSV, JSON
1 things to watch
  • ⚠Manual data review recommended