Pricing Units, Proprietary Limits & Migration Complexity
The operational fine print U.S. SaaS founders and small business owners check before committing.
| Evaluation Dimension | Cal.com | LobbyStack |
|---|---|---|
| Starting Price & Billing Unit How your monthly bill scales | Free / $12/mo Teams (per seat) Appointment Scheduling & Booking Seat / Plan | Free / $19/mo Managed Cloud Pro Appointment Scheduling & Booking Seat / Plan |
| Free Tier & Included Quotas Sandbox vs production allowance | Cal.com is self-hostable (Open Source (AGPLv3)) with managed Teams (per seat) cloud starting at $12/mo | LobbyStack is self-hostable (Open Source (MIT)) with managed Managed Cloud Pro cloud starting at $19/mo |
| Proprietary Limits & Gotchas Caps, lock-in & overage cliffs | Cal.com tier notes — Custom Domain Support: Full white-label domain support; Full API & Webhooks: Complete REST API & webhooks included | LobbyStack tier notes — Flat-Rate Small Business Pricing: No per-seat enterprise lock-in; Full API & Webhooks: Open API & webhooks |
| Migration Complexity Engineering & ops switching effort | Low (< 30 mins) Configure Cal.com (Custom Domain Support, Full API & Webhooks, Native Dark Mode) and import existing appointment scheduling & booking records | Low (< 30 mins) Configure LobbyStack (Flat-Rate Small Business Pricing, Full API & Webhooks, Self-Hostable / Open Source) and import existing appointment scheduling & booking records |
| Target Company Stage Best operational fit | Solo Founders & Appointment Scheduling & Booking SMBs | Solo Founders & Appointment Scheduling & Booking SMBs |
| Data Privacy & Compliance U.S. & enterprise governance | Open Source / Self-HostGDPR / CCPA ReadyCustom Domain Support | Open Source / Self-HostGDPR / CCPA ReadyFlat-Rate Small Business |
Interactive Team Seat & ROI Simulator
Adjust your team headcount to compare real monthly and annual licensing costs.
Cal.com: Appointment Scheduling & Booking Seat / Plan
LobbyStack: Appointment Scheduling & Booking Seat / Plan
Estimated Annual Savings with Cal.com: $420/yr
Saves ~37% annually at this workload tier based on published USD rates.
Technical Capability Matrix
Side-by-side feature, API, and data-ownership checklist.
| Feature Specification | Cal.com | LobbyStack |
|---|---|---|
| Custom Domain Support branding | Supported Full white-label domain support | Not Included |
| Full API & Webhooks developer | Supported Complete REST API & webhooks included | Supported Open API & webhooks |
| Native Dark Mode ui | Supported Native dark mode booking pages | Not Included |
| No Vendor Lock-In data-ownership | Supported Own your booking infrastructure | Not Included |
| Self-Hostable / Open Source infrastructure | Supported Full open-source repository on GitHub | Supported Open Source (MIT) self-hostable |
| Flat-Rate Small Business Pricing pricing | Not Included | Supported No per-seat enterprise lock-in |
Official Published USD Pricing Tiers
Verified plan structure for Cal.com and LobbyStack.
Cal.com Plans USD Verified
Free for Individuals (Unlimited Events)
monthly
Teams (per seat)
monthly
LobbyStack Plans USD Verified
Open Source / Self-Hosted
monthly
Managed Cloud Pro
monthly
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Frequently Asked Questions
Key pricing, quota, migration, and security answers for Cal.com vs LobbyStack.
What is the main difference between Cal.com and LobbyStack in 2026?
Cal.com (Free / $12/mo Teams (per seat), billed by appointment scheduling & booking seat / plan) is best suited for: Open-source scheduling infrastructure for everyone By contrast, LobbyStack (Free / $19/mo Managed Cloud Pro, billed by appointment scheduling & booking seat / plan) is best for: Alternative to Dialzara, Upfirst, more — AI receptionist for small businesses that answers calls in 70+ languages, books
How do Cal.com and LobbyStack compare on free tiers and USD pricing?
Cal.com: Cal.com is self-hostable (Open Source (AGPLv3)) with managed Teams (per seat) cloud starting at $12/mo. LobbyStack: LobbyStack is self-hostable (Open Source (MIT)) with managed Managed Cloud Pro cloud starting at $19/mo. Always compare based on your real workload metric (Appointment Scheduling & Booking Seat / Plan vs Appointment Scheduling & Booking Seat / Plan) rather than headline base tier alone.
What proprietary feature limits or overages should founders watch out for?
On Cal.com: Cal.com tier notes — Custom Domain Support: Full white-label domain support; Full API & Webhooks: Complete REST API & webhooks included. On LobbyStack: LobbyStack tier notes — Flat-Rate Small Business Pricing: No per-seat enterprise lock-in; Full API & Webhooks: Open API & webhooks.
How difficult is migrating from LobbyStack to Cal.com, and what compliance is supported?
Estimated migration effort to Cal.com is Low (< 30 mins) (Configure Cal.com (Custom Domain Support, Full API & Webhooks, Native Dark Mode) and import existing appointment scheduling & booking records). Security & data governance signals for Cal.com include Open Source / Self-Host, GDPR / CCPA Ready, Custom Domain Support, while LobbyStack offers Open Source / Self-Host, GDPR / CCPA Ready, Flat-Rate Small Business.
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