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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.

Cal.com

Starting price
Free
Free plan
Yes
Free trial
14 days
Plans
4
Full Cal.com profile →

Substack

Starting price
Free
Free plan
Yes
Free trial
·
Plans
1
Full Substack profile →

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.
Are Cal.com and Substack in the same category?
No. Cal.com is primarily a scheduling tool; Substack is primarily a email marketing tool. They overlap on use case but sit in different primary categories, so the comparison is between adjacent tools rather than direct competitors.
Which has more plans, Cal.com or Substack?
Cal.com ships 4 plans; Substack ships 1. Cal.com's longer ladder gives more granular upgrade steps, which can mean smoother price escalation as your team scales.
Where can I see alternatives to Cal.com or Substack?
Each tool has a dedicated alternatives page on TierGauge with ranked options and verified pricing: /alternatives/cal for Cal.com and /alternatives/substack for Substack. Alternatives are derived from each tool's editor-flagged competitors plus same-category tools we track.

Cal.com: https://cal.com/pricing · Substack: https://substack.com/going-paid

Last verified . Pricing changes between refreshes; confirm at the vendor before purchasing.