Estimated monthly cost comparison — not just the headline price
Calendly and Trello do different jobs, so this is not a like-for-like comparison. The prices below are shown side by side for reference only; compare what each tool does before comparing cost.
Prices change often — confirm on the vendor's site before buying. Report incorrect pricing →
Quick Take
Different tools for different jobs — no cost winner
Based on advertised price plus documented recurring fees, not your exact usage.
Best for Calendly
Scheduling automation platform. Free for 1 event type, then $10-$16/seat/mo — but team features, rou
Best for Trello
Atlassian's visual Kanban board tool. Free plan is limited by Power-Up restrictions, automation caps
Scheduling automation platform. Free for 1 event type, then $10-$16/seat/mo — bu...
Advertised
$0
/month
Estimated monthly cost
$37
/month (illustrative)
Team Features Require Teams Plan
Round-robin scheduling, routing forms, and Salesforce integration require Teams plan at $16/seat/mo ...
Routing Add-On
Calendly Routing for lead qualification and distribution to the right rep requires Teams plan ($16/s...
SMS Notifications
SMS event notifications and reminders cost $25/mo as a separate add-on. Not included in any plan. Re...
Atlassian's visual Kanban board tool. Free plan is limited by Power-Up restricti...
Advertised
$5
/month
Estimated monthly cost
$20
/month (illustrative)
Power-Up Limit on Free
Free plan allows only 1 Power-Up per board. Need Slack + Google Drive + Calendar? That is 3 Power-Up...
Automation Command Caps
Free: 250 command runs/mo. Standard: 1,000. Premium: 6,000. Complex automations burn through limits ...
View Restrictions
Dashboard, Timeline, Calendar, and Map views require Premium at $10/user/mo. Free and Standard only ...
10MB Attachment Limit on Free
Free plan caps file attachments at 10MB per file. Standard allows 250MB. Teams sharing design files,...
Calendly advertises $0/mo. Trello advertises $5/mo.
Calendly has 3 documented hidden fees. Trello has 4.
Calendly confidence: 77%. Trello confidence: 80%.
| Metric | Calendly | Trello | Winner |
|---|---|---|---|
| Advertised Price | $0/mo | $5/mo | Calendly |
| Estimated Monthly Cost | $37/mo | $20/mo | — |
| Recurring Extra Fees | +$37/mo | +$15/mo | Trello |
| One-Time Costs | $0 | $0 | — |
| # Documented Fees | 3 | 4 | — |
| Pricing Tiers | 3 | 4 | — |
| Affiliate Program | No public affiliate program | No public affiliate program | — |
Calendly advertises $0/mo and Trello advertises $5/mo. Calendly has 3 documented extra fees (recurring: +$37/mo), while Trello has 4 (recurring: +$15/mo). Calendly and Trello do different jobs, so there is no like-for-like cost winner — compare what each one does before comparing price. Your real cost depends on seats and usage — use the calculator for your numbers.
Calendly has 3 documented extra fees: Team Features Require Teams Plan, Routing Add-On, SMS Notifications. Recurring fees add roughly $37/mo on top of the $0/mo advertised price.
Trello has 4 documented extra fees: Power-Up Limit on Free, Automation Command Caps, View Restrictions, 10MB Attachment Limit on Free. Recurring fees add roughly $15/mo on top of the $5/mo advertised price.
Choose Calendly if: Scheduling automation platform. Free for 1 event type, then $10-$16/seat/mo — but team features, rou. Choose Trello if: Atlassian's visual Kanban board tool. Free plan is limited by Power-Up restrictions, automation caps. The right choice depends on your team size, usage volume, and which features you need most.
This comparison is compiled from public vendor pricing pages and documentation. It uses illustrative assumptions (see "Cost Comparison Summary"), not your exact seats or usage, and vendor prices change often. Confirm current prices on each vendor's site, and use our calculator with your own usage for a closer estimate. Spotted an error? Email hello@trulycritic.com.
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