Here’s a little chart to compare Koalendar and Mixmax features for yourself:
Both Koalendar and Mixmax have a free plan and some paid plans. Koalendar's paid plan starts at $6.99/month, whereas Mixmax pricing starts at $9/month.
Mixmax Google Meeting Scheduler lets your colleagues and clients book an appointment with you without having to leave their inbox. The free version of the software allows you to connect one calendar, fill it with your availability, and share it through an email. Once a time is selected, it automatically sends out a meeting invite to all the participants, along with automatic reminders.
Koalendar is a great Mixmax alternative because it offers a clean, modern, and intuitive interface, for free.
Your invitees will get a delightful booking experience along with a customizable questionnaire to qualify them. You'll also enjoy a live and quick customer service, directly from the developer.
But don't take our word for it: feel free to try Koalendar free account.