Most established scheduling vendor
Doodle is the most established scheduling vendor in October 2026 (SOC 2 Type II, running since 2007). Doodle has a free plan with 1 event type and 10 connected calendars and scores 54/100 overall. Runner-up: YouCanBookMe (SOC 2 Type II; ISO 27001, running since 2010).
Prices last verified . Checked weekly.
How we pick: Has an independent security audit of the vendor (SOC 2 or ISO 27001) first, then the most years in operation, counting earlier names. Tools level on this measure are shown as joint picks. Same data and rubric as every other page; see the methodology.
| # | Tool | Score | Free plan | Paid from | Solo | Small team | Sales team | Prices checked |
|---|---|---|---|---|---|---|---|---|
| 1 | Doodle | 54 | Yes | $15/mo | $15 | $105 | no fit | |
| 2 | YouCanBookMe | 66 | Yes · trial 14d | $9/mo | $13 | $90 | no fit | |
| 3 | Google Calendar appointment schedules Part of a suite | 42 | Yes · trial 14d | $8.40/mo | $16.80 | no fit | no fit | |
| 4 | Calendly | 78 | Yes · trial 14d | $12/mo | $12 | $100 | $400 | |
| 5 | Chili Piper | 55 | No | $12/mo | $1,250 | $1,250 | $1,475 | |
| 6 | Microsoft Bookings Part of a suite | 39 | No · trial | $8.40/mo | $8.40 | no fit | no fit | |
| 7 | Koalendar | 70 | Yes · trial 7d | $9.99/mo | Free | $49.95 | no fit | |
| 8 | Cal.com | 89 | Yes · trial 14d | $16/mo | Free | $80 | $320 | |
| 9 | Acuity Scheduling | 52 | No · trial 7d | $20/mo | $20 | $34 | no fit |
Setup columns are the monthly cost for the whole team on the cheapest plan that covers each setup, billed monthly (or the yearly price ÷ 12 when no monthly price is published). "No fit" means no published plan covers it. "Paid from" is per user on per-user plans. Order: score, then name. Affiliate status is not an input.
Questions
Which scheduling software vendor is the most established?
Doodle is the most established scheduling vendor in October 2026 (SOC 2 Type II, running since 2007). Doodle has a free plan with 1 event type and 10 connected calendars and scores 54/100 overall. Runner-up: YouCanBookMe (SOC 2 Type II; ISO 27001, running since 2010).
How do we pick?
Has an independent security audit of the vendor (SOC 2 or ISO 27001) first, then the most years in operation, counting earlier names. Tools level on this measure are shown as joint picks. Same data and rubric as every other page.