Laying out the streets…STEP 1 OF 3

CalStack · Office #65,766

AI call prep, a live Google Meet agenda & instant recaps

In the Bookings and missed calls neighborhood (Work and office). In town since 7 Nov 2026.

Nobody has claimed this office yet. Tablif records every new product and gives it an office; when its owner claims it, the lights go on.

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What Tablif read on CalStack's site

CalStack describes itself as: “CalStack — Booking Software for Google Meet Calls”

What it is

Calls itself “booking software”.

  • Calls itself: booking software
“CalStack is booking software for teams that run sales and client calls in Google Meet, now rebuilt around the whole call, not just the booking.”

Where it puts itself

Publishes a comparison page.

“…vs Calendly -> https://calstack.io/compare/calstack-vs-calendly”

What it costs

Monthly subscription and yearly plan. A free tier, free forever. Has an enterprise plan. Prices quoted: $199/month, $59/month.

  • Monthly: yes
  • Yearly: yes
  • Free plan: free forever
  • Price: $199/month · $59/month
  • Enterprise plan: yes
“Yearly Save 20%”
“New free plan, no credit card.”
“Free forever”

Who it sells to

Sells to businesses. Built for enterprise, solo users and teams. Available in 6 languages.

  • Sells to: businesses
  • Company size: enterprise · solo / indie · teams
  • Languages: 6 languages
“CalStack is booking software for teams that run sales and client calls in Google Meet”
“For agencies and large teams.”

How it runs

A web app. Hosted in the cloud. Distributed through the Google Workspace Marketplace. Offers an API. AI is the core of the product.

  • Kind: web
  • Runs where: cloud / hosted
  • Distributed via: Google Workspace Marketplace
  • API: yes
  • AI role: core to the product
“Available on Google Workspace Marketplace (opens in a new tab)”
“CalStack is booking software for teams that run sales and client calls in Google Meet, now rebuilt around the whole call, not just the booking.”

What it works with

Integrates with Gmail, Google Sheets, Slack and 2 more. Replaces Calendly. Runs inside Google Meet. Names Google Calendar on its pages.

  • Integrates with: Gmail · Google Sheets · Slack · +2
  • Replaces: Calendly
  • Runs inside: Google Meet
  • Names: Google Calendar
“…vs Calendly”
“Send an email from Gmail, or post in a Slack channel or a Google Chat space.”

What it offers as proof

Live, no waitlist. Try it without signing up. Publishes a blog.

  • Instant signup: yes
  • Trial asks for: nothing
“Start for free”
“No credit card required.”

Sources

Tablif read these pages, last on 7 Nov 2026. Everything above is what the product says about itself; Tablif does not verify every claim.

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