Calendly offers Free Trial, but PayPal does not.
PayPal is designed for Large Enterprises, Medium Business and Small Business.
Calendly is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of Calendly begins at $8/User/Month when Billed Yearly, while pricing details for PayPal are unavailable.
Some top alternatives to PayPal includes PayU, Global Payments, Paytm Payment Gateway, India Online Pay, Razorpay, Payoneer, UniPay Gateway, G2A PAY, Airpay and Better Payment.
Some top alternatives to Calendly includes Appointy, Acuity Scheduling, Setmore, Microsoft Bookings, Cogsworth, Book Like A Boss, Doodle, Tidycal, Cal.com, DaySchedule, Google Calendar, Calendar and Zoho Booking.