Cal.com vs Substack
Side-by-side plans, pricing, and feature gates for Cal.com and Substack, verified . Cal.com is primarily scheduling; Substack is primarily email marketing.
Plans side by side
Every published plan from each vendor, with the headline monthly anchor price. Some prices scale with subscriber count or seats; full detail lives on each tool's page.
Cal.com
- Individuals
Free for solo professionals, unlimited event types
Free - Teams
Round-robin, routing forms, and team scheduling
$12/mo - Organizations
SSO, compliance, and sub-teams for larger orgs
$28/mo - Enterprise
Custom pricing with dedicated support and SLA
Custom
Substack
- Standard
Free to publish; 10% of paid subscription revenue
Free
When Cal.com wins
- Privacy-conscious teams that want self-hostable scheduling
- Teams already in the open-source ecosystem who ship their own infra
- Buyers who want SOC 2 and HIPAA compliance without Calendly's $15,000 Enterprise floor
Where Cal.com is the wrong fit
- Solo professionals where Calendly's Free tier is already sufficient
- Sales teams already on Calendly's Salesforce routing; Cal.com's Salesforce sync is two-way but not as deep
- Buyers who do not care about open-source or self-hosting
When Substack wins
- New writers with no list yet who want platform-driven discovery
- Writers who would rather give 10% of revenue than pay a flat $20-100/month with no readers
Where Substack is the wrong fit
- Established creators with a paid list above ~5,000 subscribers; the 10% share exceeds what Kit, Ghost, or beehiiv would charge in flat fees at that scale
- Operators who want full control over deliverability, subscriber data, and migration optionality
- Brands needing automations, segmentation, or marketing tooling
Common questions
- Is Cal.com cheaper than Substack?
- Both Cal.com and Substack have free or custom entry pricing, so a direct entry-tier price comparison is not meaningful.
- Does Cal.com or Substack have a free plan?
- Both have free plans. Cal.com: Free for solo professionals, unlimited event types. Substack: Free to publish; 10% of paid subscription revenue.
Cal.com: https://cal.com/pricing · Substack: https://substack.com/going-paid
Last verified . Pricing changes between refreshes; confirm at the vendor before purchasing.