CalendarHero vs OnceHub (2026): which should you pick?

Pick CalendarHero if

• Fits if you book meetings over chat, email or SMS and want an assistant to set the time
• Works for teams that live in Slack, Zoom and a CRM

Look elsewhere if

• Skip it if you need a price, because the site publishes none
• Not for you if you want a free plan, as none is confirmed
• Too light for phones and desktops: no mobile or desktop apps are listed
• Watch out: the site's copyright line names Vendasta Technologies, so the product now sits under another company

Pick OnceHub if

• Fits if your sales or service team qualifies leads before anyone gets a slot
• Works for advisors, coaches and clinics whose clients book by phone as well as online

Look elsewhere if

• Pricey if you only want round robin, which starts on Route at $19 a seat a month billed annually
• Tight if you're staying free and need a second calendar or a second booking link
• Pricey if you want chatbots, which need Engage at $39 a seat, or SSO and HIPAA, a $5-a-seat add-on on top
• Watch out: text notifications need SMS credits, plans include only 1 to 3 phone numbers, and extras are $4 a month
• Not for you if you want a phone app, as it's web and a browser extension only

CalendarHero

• The vendor's website publishes no pricing, so the cost and any free plan are unconfirmed.
• The site states a copyright of Vendasta Technologies Inc., so the product now sits under that company.
• No mobile or desktop apps are listed on the pages read; it is used on the web and inside other apps.

OnceHub

• The free Basic plan is limited to one user, one connected calendar and one booking link.
• Round-robin distribution and routing forms start on Route at $19 per seat / month; chatbots need Engage at $39.
• SSO, SCIM provisioning and HIPAA BAAs come in a Security and Compliance add-on at $5 per seat / month (annual) on top of a paid plan.
• Text notifications require SMS credits, and each plan includes only 1 to 3 phone numbers.

CalendarHero

Automated scheduling

Books one-on-one, group and video meetings from real-time availability, using several scheduling methods.

Meeting briefings

Sends daily briefings with attendee insights, adding lead or candidate details from a connected CRM or ATS.

Chat, inbox and SMS assistants

Lets users book meetings from Slack, Microsoft Teams, Gmail, Outlook or SMS through an AI meeting assistant.

Unlimited calendar sync

Syncs calendars from Google, Outlook, Office 365, Exchange and iCloud to avoid double-bookings.

Team scheduling controls

Offers shared availability, admin controls, centralized billing and meeting metrics for teams.

Meeting directory

A directory page lists several meeting types at once, shared as a link or embedded on a website.

OnceHub

Booking pages and hubs

A visual designer builds booking pages with availability by location, approval before confirmation and multilingual journeys. Hubs gather several calendars behind one link.

Routing forms

From the Route plan, forms screen visitors and route them by their answers or contact properties, with the time picker shown inside the form.

Meeting distribution

Route assigns hosts dynamically by round robin, maximum availability or priority, can assign a booking to the contact's CRM owner, and supports meeting reassignment.

Phone agents

Paid plans include dedicated booking phone numbers where AI agents screen callers and book them using the account's existing scheduling rules. Extra numbers cost $4 a month.

Web chatbots

On Engage, chatbots answer visitor questions from your knowledge sources, route by AI or rules, and hand off to live chat or an instant meeting.

Integrations, API and MCP

Google, Microsoft 365, Exchange and iCloud calendars, five video tools and an MCP server for AI assistants are on every plan. Paid plans add CRM sync, Stripe, APIs and webhooks.

CalendarHero

Pricing could not be confirmed. See calendarhero.com.

OnceHub

• Basic$0

  One user, one connected calendar and one booking link, with calendar, video and email integrations and knowledge base support.

• Schedule$10

  per seat / month, billed annually ($12 billed monthly)

  Unlimited booking links and calendars, multi-host meetings, group sessions, Salesforce, HubSpot and Stripe integrations, APIs and 1 booking phone number.

• Route$19

  per seat / month, billed annually ($23 billed monthly)

  Adds unlimited routing forms, round-robin and priority-based distribution, concurrent sessions, room scheduling and 2 phone numbers.

• Engage$39

  per seat / month, billed annually ($47 billed monthly)

  Adds unlimited web chatbots with AI answers from your own content, handoff to live chat or an instant meeting, and 3 phone numbers.

• EnterpriseCustom

  For teams of 30 or more: custom agreements, security and legal reviews, a dedicated success manager and the security add-on included.

CalendarHero

No public discounts listed.

OnceHub

• Annual discount

  Save up to 18% with yearly billing

  OnceHub's pricing page lists a saving of up to 18% on yearly billing: Schedule is $10 instead of $12 per seat / month, Route $19 instead of $23 and Engage $39 instead of $47.