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Callinzo vs Zocdoc Zo

Zo is Zocdoc's AI phone assistant for booking, priced per appointment. Callinzo books too, but most of a practice's calls are not bookings: results questions, post-op worries, refills, directions and the after-hours page.

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Checked 30 September 2026

Every fact about the other product comes from its own public pages on the date shown; corrections are welcome on the contact page.

About Zocdoc Zo.

Zocdoc Zo answers scheduling calls for any practice at $2 per appointment booked by the AI, on top of Zocdoc's marketplace. In September 2026 Zocdoc announced its Care Access Network, making its appointments bookable through Gemini and Amazon Health AI.

Side by side.

On	Callinzo	Zocdoc Zo
Price	$100 per provider a month on full coverage or $50 on nights and weekends, plus $0.20 a minute of handled calls. No setup fee, no contract.	$2 per appointment the AI books.
What it does	Books, moves, cancels and confirms; screens concerns with your clinicians' questions; pages the on-call; takes refill and records requests as tasks.	Scheduling calls.
After hours	The same receptionist, with your escalation rules.	Scheduling only; confirm its after-hours behaviour with Zocdoc.
Specialties	Seventeen packs and a directory of 82.	Any practice on Zocdoc.
Marketplace	None; your patients, your line.	Zocdoc's marketplace and its network partners.
The bill	The bill is on the Reports screen every day of the month, line by line: providers, handled minutes, total.	Per booking.

Who should pick which.

Pick Zocdoc Zo

You already list on Zocdoc and want its marketplace demand.
Booking is the only call you want automated.
You prefer paying per result.

Pick Callinzo

Your line carries more than bookings: post-op questions, results, refills, the after-hours page.
You want screening questions your clinicians approved.
You want a receptionist for an imaging center or a laboratory.