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Popular Online Booking Apps

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The scheduling market is crowded, but a few tools stand out based on features and ease of use. Here are the most reliable options.

HubSpot

HubSpot syncs with Office 365, Google, and the HubSpot CRM. Team members set their availability and share booking links. Prospects can schedule round-robin or group meetings directly. The platform also supports email tracking, document tools, and meeting link creation.

Calendly

Calendly lets you set up booking types: 30-minute slots, round-robin assignments, group meetings, or one-on-one sessions. It syncs with Google, Outlook, and Yahoo calendars. Clients choose from your open times and book directly. A free Basic plan is available, with Premium at $8 per month and Pro at $12 per month.

FrontDeskChat

FrontDeskChat syncs with Office 365, Outlook, Gmail, iCloud, and Mailchimp. The dashboard shows meeting analytics: appointments per week, missed and canceled bookings, and new client additions. It was designed for SMBs across many industries, from education providers to salons.

Rallly

Rallly creates group voting polls to find the best meeting time. Participants vote on proposed slots and can comment on their preferences. It’s completely free.

FrontDeskChat appointment scheduling interface showing booking management and analytics dashboard

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Frequently asked questions about Popular Online Booking Apps

What are the most popular apps for letting customers book online?
HubSpot, Calendly, FrontDeskChat, and Rallly are among the most widely used. HubSpot is best for sales teams. Calendly is simplest for one-on-one bookings. FrontDeskChat handles both appointments and team meetings. Rallly is a free group polling tool.
Does Calendly work for group meetings or just one-on-one?
Both. Calendly supports one-on-one meetings, round-robin assignments where bookings rotate across team members, and group meetings where multiple people join the same slot.
Can I let customers book without them needing an account?
Yes. All major booking tools let clients book using just their name and email. They don’t need to create an account or install anything.
Which booking apps sync with Office 365?
HubSpot, Calendly, FrontDeskChat, and Acuity all sync with Office 365 and Outlook. The sync is bidirectional: bookings made in the app appear in your Outlook calendar and vice versa.
Is FrontDeskChat good for education businesses?
Yes. FrontDeskChat was designed with SMBs across industries in mind, including education. It handles class scheduling, payment collection, reminders, and attendance tracking.
What does the Rallly voting poll do?
Rallly lets you create a poll with several proposed time slots. Participants vote for the times that work and can leave comments explaining their preference. The slot with the most votes is used for the meeting.
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