Looking for a Cal.com alternative?

Open-source scheduling — but self-hosting isn't free.

mahakala.app offers more features with transparent technology and affordable pricing.

Cal.com

$12/mo (Cloud)

Self-hosted only (requires technical setup)

vs

mahakala.app

Generous free tier

Pro from $1/mo • Teams $5/mo

Feature Comparison

FeatureCal.commahakala.app
Free hosted plan
AI chat scheduling (47 intents)Pro $1/mo
MCP protocol for AI agentsPro $1/mo
Google Calendar sync
iCloud Calendar sync
Telegram bot booking
Natural language scheduling
Self-hosting option
Team schedulingTeams $5/mo
Custom booking questions
WorkflowsPro $1/mo
Meeting polls
No technical setup needed
Zero third-party trackers

Trust & Transparency

Zero Third-Party Trackers

Open DevTools and see for yourself — no hidden trackers, no data mining.

Data Sovereignty

Your calendar data stays yours. No vendor lock-in, no mysterious data usage.

Verifiable Claims

Every technical claim can be verified. Open source components, documented architecture.

Real Technology, Not Just Another Wrapper

Custom Sync Engine

Built from scratch for real-time calendar synchronization, not just API wrappers.

47 AI Intents

Trained AI model with 47 specific scheduling intents, not generic chatbot responses.

MCP Protocol

Native Model Context Protocol support for seamless AI agent integration.

Why people leave Cal.com

  • No free hosted plan — must self-host or pay $12/mo
  • Self-hosting requires DevOps knowledge, server costs
  • No AI features
  • Complex setup compared to hosted alternatives
  • Cloud version uses tracking you can't control

Why they choose mahakala.app

  • Generous free tier with hosted plan — no server needed
  • Real AI with 47 trained intents and custom MCP protocol
  • Zero setup — sign up and start scheduling immediately
  • Pro plan $1/mo vs Cal.com $12/mo, Teams $5/mo
  • Transparent: zero third-party trackers, verify it yourself
  • Custom-built sync engine, not just another calendar wrapper

See the difference yourself

Compare the old way with Cal.com vs booking with mahakala.app

Interactive Demo

Click through to see how it works

You: Hey, are you free Tuesday?
Client: Tuesday is tough. How about Wednesday?
You: Morning or afternoon?
Client: Afternoon. 3pm?
You: I have something at 3. How about 4?

⏱ 5 emails, 2 days later...

Ready to switch from Cal.com?

Start with our generous free tier. Upgrade to Pro ($1/mo) or Teams ($5/mo) when ready.

Try It Free