Head-to-Head Comparison · Alternative to Calday · 📅 scheduling
Calday vs zcal Free
Unlimited links and calendars, custom questions, email reminders and Stripe payments; teams are paid and zcal takes 3%. Here is how zcal Free ($0/mo free) stacks up against Calday (paid subscription) across cost, hosting, data privacy, and real-world trade-offs.
Calday vs zcal Free Specification Matrix
facts verified 2026-08-10
| Dimension | Calday (Paid) | zcal Free (Replacement) |
|---|---|---|
| Monthly Price | Paid tier | $0 / mo |
| Source & License | Proprietary SaaS | free proprietary, free |
| Where It Runs | Vendor Cloud | Hosted (their cloud) |
| Platforms | Web / Cloud | webthey host it |
| GitHub Stars | — | ★ $0 forever |
Deep Dive: Switching from Calday to zcal Free
Trade-offs, installation & data architecture
What you trade away
It is more meeting-link-oriented and has less provider and service-business administration, while Stripe payments cost an extra 3%.
How to deploy zcal Free
Hosted signup
Where your data lives
Account and booking records live in zcal's cloud; Stripe processes and stores payment details for paid bookings
Why fork zcal Free instead of vibe-coding a Calday clone?
Calday's solo core is compact: build a personal booking links tool that reads one calendar, publishes availability, reserves a slot, and writes the event back. A competent builder can reach a useful personal version in one sitting, while the paid product mainly wins on OAuth, calendar reliability.
Calday vs zcal Free FAQ
Is zcal Free a good free alternative to Calday?+
Yes. zcal Free is a verified free replacement for Calday. Unlimited links and calendars, custom questions, email reminders and Stripe payments; teams are paid and zcal takes 3%.
What is the catch when switching from Calday to zcal Free?+
It is more meeting-link-oriented and has less provider and service-business administration, while Stripe payments cost an extra 3%.
How do I install or self-host zcal Free instead of Calday?+
Install: Hosted signup.
