Calendra blog

Guides for service businesses

Practical guides on appointment booking, reducing no-shows, invoicing, fiscal verification and GDPR for service businesses in Slovenia.

Written by David Mirc, Founder and developer of Calendra.

Guides for psychologists

How to organise appointments in a psychology practice

A practical scheduling guide for psychologists: provider calendars, first contact, cancellation rules, neutral reminders and clinical-record boundaries.

4 min read
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Start by defining appointment types and durations, then each provider's availability, the first-contact process and cancellation rules. Keep administrative records separate from clinical notes, restrict access by role, and use neutral reminder messages. Online self-booking should be an option, not an obligation for a psychology practice.

Buyer guide

How to choose appointment booking software

Ten criteria for comparing appointment booking software: availability logic, payments, invoicing, reminders, data export and the real total cost.

4 min read

Appointment booking

How to reduce no-shows in your salon

Practical ways to reduce missed appointments using written confirmations, automated reminders, easy cancellation and considered deposit policies.

4 min read

Invoicing and payments

Fiscal verification of invoices in Slovenia

When a Slovenian service business must fiscally verify invoices, what counts as a cash payment, and what is needed for an electronic cash register.

4 min read

Privacy and compliance

GDPR for salons and service businesses

A practical guide to lawful bases, sensitive data, direct marketing, retention and processor agreements for appointment-based businesses.

5 min read

Appointment booking

From spreadsheets and paper to an online calendar

What Excel and a paper diary really cost you for appointment management, when it is worth replacing them, and how to migrate without losing client history.

4 min read

Reminders

SMS or email for appointment reminders

A practical comparison of SMS and email for booking confirmations and reminders: cost, content length, timing and how to choose the right channel.

3 min read

Getting started

Set up online booking in 15 minutes

A seven-step process that takes you from sign-up to a working public booking link, including reminders and a cancellation policy that customers can see.

4 min read

Getting started

Appointment booking for sole traders

What a sole trader genuinely needs for appointments, invoices and reminders when working alone with nobody to answer the phone during a service.

4 min read

Glossary

Glossary of online booking terms

Definitions of the terms you meet when choosing appointment booking software: availability, buffer time, deposits, no-shows, fiscal identifiers and more.

4 min read