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Rent or own · 9 rivals, each price dated

Slotly vs renting the software.

Appointment booking that refuses a double booking, holds slots for deposits and offers canceled places to a waitlist.

Competitor prices on this page read between 2026-07-05 and 2026-09-26, each row dated, each one read on the vendor's own page and linked in Sources.

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The subscription math.

Yours Slotly $99 once · self-hosted · your data on your server Buy once
Rented Calendly Standard $10/seat/mo billed yearly, $12/seat/mo billed monthly ('Save 17%'); Teams $16/seat/mo billed annually ($20 monthly); Enterprise 'Starts at $15k /yr', from 50 seats; free tier limited to one event type and one calendar connection [1]

4 months of Calendly costs what Slotly costs once.

What Calendly does that we don't. Calendly can write up the meeting for you, turning a finished call into a recap and a drafted follow-up.
The fine print

How their pricing grows. Calendly charges per seat, and every person who connects a calendar and hosts meetings needs one of their own.

“Seats are required for users to connect calendars and host Calendly meetings - meeting invitees do not require a seat.” Read 2026-09-26.

Who should stay with Calendly. If you need calendars to sync automatically with Google, Outlook, or Office 365, stay with Calendly — Slotly only knows about bookings made inside itself and does not sync external calendars.

How we counted. Per-seat pricing - calculator assumes 3 staff seats x $10 = $30/mo (Standard billed yearly); monthly the same seats are $36. Re-read 2026-09-26 in both billing states: Standard is not one price both ways, as the 2026-09-03 row said - it is $12 monthly and $10 yearly (the page's 'Save 17%'). The free tier cannot model a multi-service business, and round-robin needs Teams at $16/seat/mo yearly ($20 monthly) - Slotly ships round-robin in the one-time price.

Rented Square Appointments Free plan; Plus $49/mo per location (Premium $149/mo) [2]

3 months of Square Appointments costs what Slotly costs once.

What Square Appointments does that we don't. Square Appointments includes unlimited staff calendars on its plans, with no cap on how many employees you can add.
The fine print

How their pricing grows. Square Appointments' Plus and Premium plans charge a flat monthly fee per business location, so a multi-location business pays more as it adds locations.

“With Square Plus and Square Premium, the monthly fee applies to each location you run.” Read 2026-08-11.

Who should stay with Square Appointments. If you want card payments taken at booking without holding your own Stripe account, stay with Square Appointments — Slotly takes a deposit or the full price by card at booking only through your own Stripe account, when you switch it on, and every refund is made in your Stripe dashboard.

How we counted. Free plan covers basics; Plus $49/mo per location, Premium $149/mo (read 2026-07-22). A 2026-09-03 re-read could NOT verify these: the page served an unrendered shell with template tokens and no prices, confirmed twice. Square's own press page, read the same day, does publish Free $0 / Plus $49 / Premium $149 per location - corroboration, but at a different address than this row cites, so the date stays. Note: the $35/mo + $6/person figure on Square pages is Square Payroll, not Appointments.

Rented Setmore Free tier; Pro $5/user/month billed annually ($12/user/month billed monthly) [3]

7 months of Setmore costs what Slotly costs once.

What Setmore does that we don't. Setmore offers a paid Live Receptionist add-on where a real person answers your business calls around the clock.
The fine print

How their pricing grows. Setmore charges per user: each staff member with their own profile is a seat.

“Setmore charges per 'user' or by each staff member with their own profile.” Read 2026-08-11.

Who should stay with Setmore. If you want online card payments in the booking flow without holding your own Stripe account, stay with Setmore — Slotly takes card payments at booking only through your own Stripe account, when you switch them on, and otherwise quotes and tracks deposits in admin.

How we counted. Per-user; figure shown for 3 staff x $5 = $15/mo on annual billing - the same three seats cost $36/mo billed monthly. Free tier exists; Slotly is one payment, unlimited staff.

Rented Acuity Scheduling Starter $16/mo billed annually ($20/mo billed monthly); Standard $27/$34; Premium $49/$61 [4]

7 months of Acuity Scheduling costs what Slotly costs once.

What Acuity Scheduling does that we don't. Acuity Scheduling puts its customer service on every plan rather than reserving it for the upper tiers.
The fine print

How their pricing grows. Acuity Scheduling's plans are tiered by how many staff or location calendars you need, scaling from a single calendar on Starter up to many more on higher tiers.

“Use separate calendars per employee or location, depending on business needs.” Read 2026-08-11.

Who should stay with Acuity Scheduling. If you need two-way calendar sync with Google Calendar, Outlook, or iCloud, stay with Acuity Scheduling — Slotly has no calendar sync and only knows about bookings made inside itself.

How we counted. Flat per-account Starter tier; annual billing saves 20%.

Rented Booksy $29.99 per month + tax, plus $20 per month for each additional team member; 14-day trial; "No hidden or extra fees" [5]

4 months of Booksy costs what Slotly costs once.

What Booksy does that we don't. Booksy is a consumer marketplace as well as a booking tool — clients find and book businesses inside the Booksy app.
The fine print

How their pricing grows. Booksy meters by TEAM MEMBER: $29.99 for the first, $20 a month for each one after, forever.

“$20/month each” Read 2026-08-30.

Who should stay with Booksy. Stay with Booksy if the marketplace matters — new clients discovering you inside their app — or you want payments and no-show protection handled by the vendor. Slotly is booking on your own website and server; nobody discovers you through it, and it processes no payments.

How we counted. The single-provider subscription; every additional team member is another $20 a month on top, so a four-person salon pays $89.99 before tax. Slotly is one payment for any number of staff.

Work out your own numbers.

The rented figures use the cited plan price above; per-seat plans scale by the seat count from that same cited price. This is arithmetic, not a quote.

Also in this category.

SimplyBook.me [6] Basic EUR 11.9/mo billed annually (free tier exists) Page served EUR prices to the 2026-07-05 fetch (geo-dependent) - not used in the USD calculator. Re-reads from this exit on 2026-09-03 and again on 2026-09-26 were served BRAZILIAN REAL (Basic R$33.75/mo billed annually; the free tier still exists), a different regional price rather than a conversion - so the euro price is NOT RE-VERIFIED and keeps its original read date. Re-verifying it needs a read from a euro-serving exit.
How their pricing grows. SimplyBook.me prices by booking volume rather than by seat, bundling a set number of staff providers into one flat monthly fee per tier.
“SimplyBook.me uses booking-volume pricing rather than per-user pricing, with each plan including a set number of staff providers at a single flat monthly fee.”
What SimplyBook.me does that we don't. SimplyBook.me's free plan includes real booking capacity and app access, not just a stripped-down demo.
If you want online payments and deposits taken at booking without holding your own Stripe account, stay with SimplyBook.me — Slotly takes them by card only through your own Stripe account, when you switch card payments on; otherwise deposits are only tracked in admin.
Fresha [7] Independent €11.95 per month; Team €7.95 per team member monthly; Enterprise custom; card processing 1.29% + €0.20 per transaction; a one-time fee on brand-new clients who arrive via the Fresha marketplace (amount not on the pricing table) Read in euros; no conversion. Fresha is cheap by the month - the cost sits in processing and in the fee on new marketplace clients, whose amount the table does not state. NOT RE-VERIFIED 2026-09-26: Fresha prices by country and served this address Serbian dinars (Independent RSD 597.95/month, Team RSD 398.95 per member) - its own regional prices. No euro view was reachable, so the euro figures stay as read on 2026-09-03 and are marked, not re-dated.
How their pricing grows. Fresha meters by TEAM MEMBER per month, then by PROCESSING on every payment, then a fee per new marketplace client.
“€7.95 per team member monthly”
What Fresha does that we don't. Fresha is a marketplace as well as a booking tool — clients discover salons inside its app — with integrated payments and terminals.
Stay with Fresha if marketplace discovery and integrated card payments matter more than the monthly fee — for a salon that wants new walk-ins from the app, its model is a fair deal. Slotly is booking on your own site and server; nobody discovers you through it.
Vagaro [8] £20/month for one location with 1 bookable calendar, then £10 more per calendar up to £80 for 7 or more (UK page; each beside a struck-through figure £10 higher). Multiple Locations shows no price ('Contact Multi-location Team'). One monthly price, cancel anytime Read on the UK page in pounds; no conversion, no cents. Re-read 2026-09-26 with the calendar selector walked from Just Me to 7+: the fee rises £10 per bookable calendar, and the £30 recorded on 2026-09-03 as the multi-location price is the two-calendar price at one location; Multiple Locations has no published price. The one-time 20% fee on a new marketplace client's first appointment is no longer stated on the UK page, so it is not repeated. Slotly takes nothing from any appointment.
How their pricing grows. Vagaro meters by bookable calendar per month at a single location - £10 for each calendar after the first - and prices multi-location businesses only through its sales team.
“£ 30 £ 20 / mo* 1 bookable calendar”
What Vagaro does that we don't. Vagaro is a consumer marketplace with integrated payments and a free card reader for its merchant service.
Stay with Vagaro if marketplace listing and integrated card processing are worth a monthly fee per bookable calendar — for a salon that wants new walk-ins, that can be a fair trade. Slotly is booking on your own website; it brings no clients and takes no cut.
Singenuity [9] No subscription published: a 4% booking fee, which the page states the guest pays. Applies to activity revenue only ("No % fees on merchandise, concessions, photos"). Photo solution billed at $0.03 per photo upload. "Get a custom quote" for volume. No monthly price is published, so no monthly figure is recorded and none is implied. 4% of activity revenue is a real cost that scales with success rather than with seats: an operator taking $8,000 of tours a month pays about $320 that month, and more the month after a good season. Slotly is one payment whatever the volume — but Slotly does not take the money, which is the point below.
How their pricing grows. Singenuity meters by BOOKING VALUE, not by seat or location: a percentage of every activity booking, rising with your revenue.
“Your guest is charged a small percentage of each booking”
What Singenuity does that we don't. Singenuity is a payments platform as much as a booking one — it processes the card and runs POS, memberships and photo sales beside the calendar.
Stay with Singenuity if you want payments run for you on tours and attractions: it processes the payment, handles refunds and sells photos and memberships alongside. Slotly books the slot and refuses to double-book it; it takes a deposit or the full price by card at booking only through your own Stripe account, when you switch it on, and every refund is made in your Stripe dashboard. The comparison is honest only for an operator who is happy to hold their own Stripe account.

Why owning beats renting here.

One payment

No per-month, per-seat or per-location fees: the license does not expire.

Your data

Your data sits on a server you choose; customer records are not held in a vendor's cloud unless you put them there.

No plan ceilings

Records, users and usage are limited by your hosting, not by a pricing tier.

If the vendor stops

It keeps working if the vendor doesn't: no one can switch your copy off, and keeping it up to date is in your hands.

The fair trade-offs: you host it, you back it up, and updates are yours to apply. The product page lists what Slotly deliberately doesn't do.

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Sources

  1. Calendly: price checked 2026-09-26, source“Billed monthly Billed yearly Save up to 20% Free Always free ... One event type One calendar connection ... Standard ... $10 /seat/mo ... Save 17% ... Teams ... $16 /seat/mo ... Save 20% ... [Billed monthly] Standard ... $12 /seat/mo ... Teams ... $20 /seat/mo ... Enterprise Starts at $15k /yr…”
  2. Square Appointments: price checked 2026-07-22, source“$0/mo per location - $49/mo per location - $149/mo per location”
  3. Setmore: price checked 2026-09-03, source“$5/user/month billed annually; $12/user/month billed monthly”
  4. Acuity Scheduling: price checked 2026-09-03, source“$16/ month billed annually; $20/month billed monthly”
  5. Booksy: price checked 2026-09-03, source“'$29.99 per month' ... '+ tax' ... '$20 per month each' ... 'No hidden or extra fees' ... '14 day trial period' ... 'No commitment required. You can cancel anytime.'”
  6. SimplyBook.me: price checked 2026-07-05, source“Basic - 11.9 euro per month (billed annually)”
  7. Fresha: price checked 2026-09-03, source“'€11.95 per month' ... '€7.95 per team member monthly' ... 'Custom rates' ... '1.29% + €0.20 per transaction' ... 'One-time fee applied to brand new clients who discover your business via the Fresha marketplace'”
  8. Vagaro: price checked 2026-09-26, source“One Location Here's what you'll pay: £ 30 £ 20 / mo* 1 bookable calendar ... £ 40 £ 30 / mo* 2 bookable calendars ... £ 90 £ 80 / mo* 7 or more bookable calendars ... *Cancel anytime with no cancellation fees ... Multiple Locations ... Contact Multi-location Team”
  9. Singenuity: price checked 2026-09-06, source“'Per booking fee' ... 'Your guest is charged a small percentage of each booking. That's it. No surprises.' ... '4' '%' 'Booking fee' ... 'Only applies to activity revenue' ... 'No % fees on merchandise, concessions, photos, knick-knacks or patty-whacks' ... 'Photo solution ($0.03/photo upload)'…”

Competitor prices change, so always confirm on the linked page. We only print figures we could verify on the date shown.

Slotly, owned.
Appointment booking with deposits, reminders and a waitlist, and no double bookings.
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