Easier appointment management. Complete organisation.
Calendra brings appointment booking, scheduling and invoicing together in one place. It is built for salons, consultants, therapists, trainers and other service businesses that want to reduce phone calls, double bookings, missed appointments and administration.
Calendra is built for service businesses of every size and across different industries. Whatever your workflow, it helps you save time and deliver a better customer experience.
Plans start at €17.90 per month. Choose the right feature level, then add users, SMS messages or optional modules.
Compare plansfrom€17.90/ month
Experiences from businesses that use Calendra to manage appointments every day.
Calendra lets us keep appointments, clients and work organisation clearly in one place. It is especially important to us that the system is easy to use both for our team and for clients booking appointments.
Nina Piberčnik
Founder, Inštitut Avisensa
Translated from Slovenian
Calendra makes appointment organisation much simpler. Customers can book themselves, while we always have a clear view of the schedule and spend less time coordinating by phone or messages.
Urška Grmek
Owner, Depilacije UG
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I use Calendra for client meetings and consulting appointments. Setup was quick and the system is easy to use.
I use Calendra for client meetings and consulting appointments. Setup was quick and the system is easy to use. The biggest change is that I no longer need to spend as much time coordinating by email. Clients choose their own time, while Calendra handles the confirmation and reminder. This gives me a better overview of appointments and makes the whole booking process more organised and professional for both me and the client. After the first week, I am already noticing less administration around arranging appointments and a much clearer way of working.
Špela Kovačič
Owner, SKreativa advertising agency
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Reviews are republished with the authors’ permission.
From the first booking to the final invoice — Calendra covers the whole flow.
Customers choose a service, employee and available time through a public link or a widget on your website.
Prepare invoices when appointments end, track payments and export data for accounting.
Automatic SMS and email reminders for appointments and unpaid invoices.
Your appointment is confirmed.
Personal training
9 Oct 2026 at 10:55.
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Daily, weekly and monthly views give you a clear overview of employees, rooms and availability.
A central customer view with appointment history, notes, and contact details.
Google Calendar, Stripe payments, Zoom video calls, and more — all connected.
Connect your accounts and enable the integrations you need. Availability depends on your plan, settings and the connected provider’s permissions.
Customers can book and manage appointments, receive notifications, make payments and access benefits and tickets in the app.
ConnectMy appointments
Next appointment
Today at 4:00 PMMassageUpcoming appointments
Service businesses and independent professionals who manage appointments, clients, employees, reminders, payments or invoices.
Yes. You can use a public link, a widget on your own website or the guest app. You define the booking rules.
Calendra checks working hours, absences, existing appointments, employees and, where relevant, rooms or equipment when calculating availability.
Email and SMS notifications depend on the selected plan and configuration. SMS usage is shown transparently in the pricing.
The free trial lasts 14 days and does not require a credit card.
Start for free and discover why businesses across Slovenia choose us.
Start a 14-day trial
