Guide · Online Booking
Ten booking tools are free forever — but the cap is the whole story
Every one of these scheduling tools books clients for $0/month indefinitely; the difference is whether you hit a wall at 25 bookings or never hit one at all.
If your only requirement is “let clients book me without paying anything, ever,” the market is generous: ten of the seventeen scheduling tools in our index publish a $0/month tier with no expiry. The honest answer to “which one” is that they are all genuinely free — the question that actually matters is what breaks first when your business grows. Those ceilings range from “unlimited” to “25 bookings a month,” and two tools with the same $0 price tag can be a hundredfold apart in what they let you do.
Here is every free-forever booking tool, ordered by how far you can ride it before the cap bites.
| Tool | Free-tier price | The cap that bites first |
|---|---|---|
| Cal.com | $0 | None on volume — unlimited event types and bookings (individuals) |
| Picktime | $0 | Unlimited bookings, but capped at 3 users |
| Doodle | $0 | Unlimited users, but it’s polls + one booking page, no client management |
| TidyCal | $0 | Unlimited bookings, but 1 calendar connection |
| Square Appointments | $0 | Solo only — single location, but unlimited staff calendars |
| Setmore | $0 | 4 users and 200 appointments/month |
| Calendly | $0 | 1 event type, 1 calendar connection |
| YouCanBookMe | $0 | 1 booking page, 1 calendar connection |
| GReminders | $0 | 1 user, 1 event type, 100 email reminders/mo, no SMS |
| Appointlet | $0 | 25 booked meetings/month |
The free tier you can actually run a business on
If you want a free plan that won’t quietly throttle you, Cal.com is the standout: its Free tier carries unlimited event types and unlimited bookings for an individual, with calendar and video integrations included. Picktime is the closest rival on volume — also unlimited bookings — and it goes one better by including up to 3 users on $0, where Cal.com’s free tier is single-user. TidyCal’s free plan is similarly uncapped on booking volume but limits you to one calendar connection.
Square Appointments is the outlier worth naming separately. Its Free plan is $0 for a solo professional at a single location, and the whole product is built around taking payment at no monthly cost — you pay through card-processing fees, not a subscription. It isn’t the only free tier that can collect money (Setmore’s free plan also includes online and in-person payments), but it’s the one where payment processing and a full booking site are the centerpiece rather than an add-on. For a one-chair operation that takes payment, that’s a different kind of free.
Where “free” is really a trial in disguise
At the other end, three tools share the $0 sticker but mean something much narrower by it. Appointlet’s Free plan stops at 25 booked meetings a month — generous for a side project, useless for a full calendar. Calendly’s famous free tier looks open until you notice it permits exactly one event type and one calendar connection; the moment you offer a second meeting type, you’re upgrading. GReminders’ Basic plan is one user, one event type, 100 email reminders a month and no SMS at all — closer to a reminder demo than a booking system.
Setmore sits in the sensible middle and is the most quotable line in the angle: 4 staff logins and 200 appointments a month, free forever. That’s a real two-or-three-person shop running on $0 — far more headroom than Calendly’s single event type, but a hard wall Cal.com and Picktime simply don’t have.
What it costs to escape the cap
The free tier’s real price is the upgrade it pushes you toward, and those diverge as sharply as the caps. The cheapest paid escape in the set is Picktime’s Pro at $2.25/user/month billed annually — lower than Picktime’s own Starter ($3/user/month annual), and the cheapest per-seat plan anywhere in our index. The cheapest plan whose price is quoted month-to-month (not just annually) is GReminders’ Standard at $10/user/month billed monthly ($8 annual). Calendly’s Standard sits near it but is easy to misread: the headline $10/seat/month is the annual-billed rate — pay month-to-month and it’s $12/seat/month. Setmore’s Pro unlocks unlimited users and unlimited appointments for $5/user/month on annual billing ($12/user/month month-to-month). Appointlet charges $12/member/month ($9 annual) to lift the 25-meeting cap, and Cal.com’s first paid step is Teams at $15/user/month ($12 annual) — though as an individual you may never need to take it.
One tool breaks the subscription pattern entirely: TidyCal lets you leave its free plan with a one-time $29 lifetime payment for the Individual tier, or $12/month if you prefer Pro — the only “pay once, owe nothing” exit in this group.
How to read this
Every tool here books clients for $0 a month forever, so “free” is the wrong axis to shop on. The decision is your shape: a solo provider with unlimited needs should start on Cal.com or Picktime and may never pay; a small team wanting staff logins and payments belongs on Setmore (4 users, 200 appts) or Square (solo, but payments built in); and Calendly, Appointlet and GReminders are best understood as free front doors — fine until your first real growth, then a $10–$12/month upgrade. The sticker is identical at $0. The ceiling is the product.