Buttondown vs Cal.com
Side-by-side plans, pricing, and feature gates for Buttondown and Cal.com, verified . Buttondown is primarily email marketing; Cal.com is primarily scheduling.
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.
Buttondown
- Free
Up to 100 subscribers with markdown editor, custom-domain sending, and hosted archives.
Free - $9 add-ons
Pay per feature; this bundle is illustrative of the $9 add-on tier.
$9/mo - $29 add-ons
Pay per feature; this bundle is illustrative of the $29 add-on tier.
$29/mo - $79 add-ons
Pay per feature; this bundle is illustrative of the $79 add-on tier.
$79/mo
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
Limits at the entry paid tier
Compares $9 add-ons (Buttondown) against Teams (Cal.com). Both are the lowest-priced non-free, non-custom plan on each side.
| Limit | Buttondown | Cal.com |
|---|---|---|
| Contacts | Custom | · |
| Team seats | · | 1 seat (per-seat pricing) |
When Buttondown wins
- Independent writers and indie creators running a paid newsletter.
- Privacy-minded operators who want to avoid tracking pixels.
- Markdown-native authors who prefer plain text over WYSIWYG bloat.
Where Buttondown is the wrong fit
- High-volume senders pushing multiple campaigns per day.
- E-commerce teams needing deep behavioral automation and segmentation.
- Marketing teams that want a single flat tier covering every feature.
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
Common questions
- Is Buttondown cheaper than Cal.com?
- Both Buttondown and Cal.com have free or custom entry pricing, so a direct entry-tier price comparison is not meaningful.
- Does Buttondown or Cal.com have a free plan?
- Both have free plans. Buttondown: Up to 100 subscribers with markdown editor, custom-domain sending, and hosted archives.. Cal.com: Free for solo professionals, unlimited event types.
- Are Buttondown and Cal.com in the same category?
- No. Buttondown is primarily a email marketing tool; Cal.com is primarily a scheduling 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, Buttondown or Cal.com?
- Both Buttondown and Cal.com ship 4 plans. Tier counts match; the differentiation is in features and pricing structure rather than tier ladder depth.
- Where can I see alternatives to Buttondown or Cal.com?
- Each tool has a dedicated alternatives page on TierGauge with ranked options and verified pricing: /alternatives/buttondown for Buttondown and /alternatives/cal for Cal.com. Alternatives are derived from each tool's editor-flagged competitors plus same-category tools we track.
Buttondown: https://buttondown.com/pricing · Cal.com: https://cal.com/pricing
Last verified . Pricing changes between refreshes; confirm at the vendor before purchasing.