1
Square Appointments
named in 58% of answers · 95% CI 49–67%
The Best-X Scoreboard · measured 2026-W30
The best solo consultant booking payment email stack
What ChatGPT, Claude, Gemini & Perplexity actually recommend — measured 5× each, not guessed once. Don't take one AI's word for it.
The consensus pick
Square Appointments
3/4 AIs agree
· named in 58% of answers
Runner-up: Acuity Scheduling (42%)
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What each AI picked
The one thing no single chatbot will show you
ChatGPT
Square Appointments
✓ agrees
Claude
Acuity Scheduling
↗ disagrees
Gemini
Square Appointments
✓ agrees
Perplexity
Square Appointments
✓ agrees
They don't fully agree. Claude picks Acuity Scheduling. That disagreement is exactly why you check more than one.
The receipts
What each model actually said
ChatGPT
“……tps://calendly.com/help/payments-faq?utm_source=openai)) 5) Square Appointments — Free to start, integrates booking, payments, email/SMS reminders, and supports sending digital forms/contracts. ([squareup.com](https://squareup.com/us/en/app……”
Claude
“……ngs and invoices** in one place, best first: --- ### 🥇 1. **Square Appointments** Square Appointments pairs calendar-based booking with built-in Square Payments so businesses can take deposits and final payments tied to appointments. It sup……”
Gemini
“……which is crucial for managing booking-related emails. 5. **Square Appointments**: Best free option for solo consultants needing integrated scheduling and payments. It offers an easy-to-use booking page, seamless integration with Square's p……”
Perplexity
“……booking-to-payment flow without chasing invoices [2]. 3. **Square Appointments** – Best free option for solo providers, offering unlimited bookings, integrated payments, and no-show protection via cancellation fees [3]. 4. **TidyCal** – Id……”
The full scoreboard
Everyone the AIs named
2
Acuity Scheduling
named in 42% of answers · 95% CI 33–51%
3
Calendly
named in 38% of answers · 95% CI 30–47%
4
Setmore
named in 33% of answers · 95% CI 26–42%
5
TidyCal
named in 28% of answers · 95% CI 20–36%
6
HoneyBook
named in 23% of answers · 95% CI 17–32%
7
SimplyBook.me
named in 18% of answers · 95% CI 12–25%
8
ActiveCampaign
named in 17% of answers · 95% CI 11–24%
Measured by asking ChatGPT, Claude, Gemini & Perplexity 5× each, 2026-W30. Every number traces to a stored, verbatim answer — download the raw data. No ranking is for sale; the pick is a measurement, not an ad. How this works →