Free tierZcal's free tier is the most generous in this set — unlimited links, unlimited calendars, full meeting features. Cal.com's free tier is similarly generous. Calendly limits to 1 event type. TidyCal limits to 1 calendar. SavvyCal is trial-only.
Calendlylimited · 1 event type
Cal.comyes · full-featured hosted
SavvyCalno · 14-day trial only
TidyCalyes · 1 calendar connection
Zcalbest · unlimited links + calendars
Cheapest paid tierTidyCal's $39 lifetime deal via AppSumo is the cheapest over a multi-year span — pay once, use forever. Zcal Pro at ~$7/mo is the cheapest recurring. Calendly Standard $10 (annual), SavvyCal Basic $12 (annual), and Cal.com Teams $15 all sit in the mid-range.
Calendly$10/seat Standard (annual)
Cal.com$15/seat Teams
SavvyCal$12/seat Basic (annual)
TidyCal$39 lifetime (one-time)
Zcal~$7/mo Pro
Open sourceCal.com is the only genuinely open-source option. AGPL-licensed, code public, self-hostable. The other four are all proprietary SaaS.
Calendlyno · proprietary
Cal.comyes · AGPL · code on GitHub
SavvyCalno · proprietary
TidyCalno · proprietary
Zcalno · proprietary
Self-hostableCal.com is the only self-hostable option. The others are SaaS-only. For teams that need on-prem control, Cal.com is the answer.
Calendlyno
Cal.comyes · full self-host instructions
SavvyCalno
TidyCalno
Zcalno
Team featuresZcal's Pro tier (~$7/mo) bundles team features cheaply. Cal.com Teams at $15/seat is the cheapest per-seat team-features plan. Calendly Teams and SavvyCal Premium are mid-range. TidyCal Agency lifetime ($79 one-time) is a different model.
CalendlyTeams $16/seat · round-robin
Cal.comTeams $15/seat · routing + workflows
SavvyCalPremium $20/seat · delegated access
TidyCalAgency lifetime $79
ZcalPro · team pages + round-robin
IntegrationsCalendly has the largest integration ecosystem — 700+ apps via Zapier plus native integrations. The others are functionally adequate but smaller integration sets. For teams already using Calendly, the integration depth is the main switching cost.
Calendlybest · 700+ apps · Zapier built-in
Cal.comgood · Zapier + native key integrations
SavvyCalgood · Zapier + CRM integrations
TidyCallimited · Zoom + Zapier + Stripe
Zcalgood · Zapier + Stripe + analytics
Best for shapeEach tool fits a different shape. Calendly for traditional team scheduling. Cal.com for developers + open-source. SavvyCal for premium UX. TidyCal for one-time-payment lovers. Zcal for free-tier-first usage.
Calendlyestablished teams · brand recognition matters
Cal.comdeveloper-friendly + open-source values
SavvyCalpremium polished UX · indie business
TidyCalsolo founders who hate subscriptions
Zcalfree-tier-credible · generous limits