Calendly vs Mailgun
Side-by-side plans, pricing, and feature gates for Calendly and Mailgun, verified . Calendly is primarily scheduling; Mailgun is primarily transactional email.
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.
Calendly
- Free
Solo professionals, one event type
Free - Standard
Unlimited event types and core integrations
$10/mo - Teams
Salesforce, round-robin, and lead routing
$16/mo - Enterprise
Starts at $15,000/year, full security suite
Custom
Mailgun
- Free
Hobby tier capped at 100 emails per day
Free - Basic
Entry paid tier with 10,000 emails/month included
$15/mo - Foundation
50,000 emails/month with template builder and full inbound routing
$35/mo - Scale
100,000 emails/month with SAML SSO, dedicated IP, and live support
$90/mo - Enterprise
Custom contracting for high-volume senders
Custom
Limits at the entry paid tier
Compares Standard (Calendly) against Basic (Mailgun). Both are the lowest-priced non-free, non-custom plan on each side.
| Limit | Calendly | Mailgun |
|---|---|---|
| Emails / month | · | 10,000 |
| Team seats | 1 seat (per-seat pricing) | · |
When Calendly wins
- Solo professionals; the Free tier covers a single event type and one calendar
- Revenue teams using HubSpot or Salesforce that need lead routing and round-robin
- Customer success teams running round-robin assignments across pods
Where Calendly is the wrong fit
- Tiny teams that just need a single booking page; the Free plan covers them and Standard at $10/seat may be more than needed
- Buyers who want self-hosted scheduling; Cal.com is the open-source alternative
- Operations needing complex scheduling logic only available on Enterprise
When Mailgun wins
- Developers integrating receipts, notifications, and password-reset emails
- Teams already on a marketing ESP that need a separate transactional channel
- High-volume B2B applications with strict deliverability requirements
Where Mailgun is the wrong fit
- Marketing teams seeking campaign tooling (use Mailchimp or Kit)
- Creators sending newsletters (use Kit or beehiiv)
- Free-tier hobbyists with low total volume but spiky daily-cap-bumping use cases
Common questions
- Is Calendly cheaper than Mailgun?
- Both Calendly and Mailgun have free or custom entry pricing, so a direct entry-tier price comparison is not meaningful.
- Does Calendly or Mailgun have a free plan?
- Both have free plans. Calendly: Solo professionals, one event type. Mailgun: Hobby tier capped at 100 emails per day.
- Are Calendly and Mailgun in the same category?
- No. Calendly is primarily a scheduling tool; Mailgun is primarily a transactional email 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, Calendly or Mailgun?
- Mailgun ships 5 plans; Calendly ships 4. Mailgun's longer ladder gives more granular upgrade steps, which can mean smoother price escalation as your team scales.
- Where can I see alternatives to Calendly or Mailgun?
- Each tool has a dedicated alternatives page on TierGauge with ranked options and verified pricing: /alternatives/calendly for Calendly and /alternatives/mailgun for Mailgun. Alternatives are derived from each tool's editor-flagged competitors plus same-category tools we track.
Calendly: https://calendly.com/pricing · Mailgun: https://www.mailgun.com/pricing/
Last verified . Pricing changes between refreshes; confirm at the vendor before purchasing.