AI assistants most often recommend Calendly for online scheduling and appointment booking in 🇺🇸 United States (English), naming it in 100% of the buyer questions we tested, followed by Square Appointments and Setmore. We asked an AI model the questions buyers ask about online scheduling and appointment booking and tallied which brands it named most — "share of voice" in AI answers, who AI recommends when no human is watching.
| # | Brand | AI share of voice |
|---|---|---|
| 1 | Calendly | 6/6 (100%) |
| 2 | Square Appointments | 5/6 (83%) |
| 3 | Setmore | 4/6 (67%) |
| 4 | Acuity Scheduling | 2/6 (33%) |
| 5 | ScheduleOnce | 1/6 (17%) |
Method: 6 representative buyer questions via a large language model, 🇺🇸 United States (English). Updated 9/23/2026. A proxy for how AI assistants describe this category.
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