TidyCal vs Untis Comparison: Reviews, Features, Pricing & Alternatives in 2026

Detailed side-by-side comparison to help you choose the right solution for your team

Updated Apr 2026 8 min read

TidyCal

0.0 (0 reviews)

TidyCal is a simple scheduling software that helps you manage your calendar, book meetings, and accept payments through a clean interface without the high monthly subscription costs.

Starting at Free
Free Trial NO FREE TRIAL
VS

Untis

0.0 (0 reviews)

Untis is a comprehensive school scheduling and resource management software designed to automate complex timetable creation while managing daily substitutions and school communication for educational institutions.

Starting at --
Free Trial 0 days

Quick Comparison

Feature TidyCal Untis
Website tidycal.com untis.at
Pricing Model Freemium Custom
Starting Price Free Custom Pricing
FREE Trial ✘ No free trial ✓ 0 days free trial
Free Plan ✓ Has free plan ✘ No free plan
Product Demo ✘ No product demo ✓ Request demo here
Deployment saas saas on-premise mobile desktop
Integrations Google Calendar Office 365 Apple Calendar Stripe PayPal Zoom Google Meet Zapier Microsoft Teams WebUntis Moodle LDAP Active Directory Various School MIS Systems
Target Users solopreneur small-business small-business mid-market enterprise
Target Industries education
Customer Count 0 0
Founded Year 2020 1970
Headquarters Austin, USA Stockerau, Austria

Overview

T

TidyCal

TidyCal is a lightweight scheduling solution designed to strip away the complexity of booking meetings. You can connect your Google, Apple, or Microsoft calendars to sync your availability instantly and prevent double-bookings. The platform allows you to create various booking types, from quick 15-minute coffee chats to paid consulting sessions, all accessible through a personalized booking link you can share with clients or embed on your website.

You can manage your entire schedule from a single dashboard and set custom buffer times between appointments to stay organized. It solves the constant back-and-forth of email scheduling by letting your guests pick times that work for both of you. Whether you are a freelancer booking clients or a recruiter scheduling interviews, you get a streamlined experience that focuses on getting meetings on the books quickly.

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Untis

Untis helps you master the complex challenge of school scheduling and daily resource management. You can automate the creation of conflict-free timetables that account for teacher availability, room constraints, and specific pedagogical requirements. The platform moves beyond static schedules by allowing you to manage daily substitutions, room changes, and cancellations in real-time, ensuring your school day runs smoothly even when the unexpected happens.

You can bridge the communication gap between administration, teachers, students, and parents through integrated web and mobile applications. Whether you are managing a small primary school or a large multi-campus university, the software scales to handle your specific organizational structure. By digitizing your class registers and grade books, you eliminate paperwork and centralize all essential school data in one secure location.

Overview

T

TidyCal Features

  • Calendar Integration Connect your Google, Office 365, and Apple calendars to sync your real-time availability and avoid any scheduling conflicts.
  • Paid Bookings Integrate with Stripe or PayPal to accept payments from clients the moment they book a session with you.
  • Custom Booking Types Create multiple meeting lengths and styles, such as free consultations or paid workshops, to fit your specific business needs.
  • Website Embedding Add your booking calendar directly onto your website so visitors can schedule time without ever leaving your page.
  • Automated Reminders Reduce no-shows by sending automated confirmation and reminder emails to your participants before the meeting starts.
  • Time Zone Detection Automatically display your availability in your guest's local time zone to eliminate confusion for international meetings.
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Untis Features

  • Automated Timetabling. Generate complex school schedules automatically while satisfying thousands of individual constraints for teachers, classes, and rooms.
  • Substitution Planning. Manage daily teacher absences and room changes instantly with smart suggestions that minimize educational disruption.
  • Digital Class Register. Track student attendance, document lesson content, and manage homework assignments digitally from any web-enabled device.
  • Untis Mobile App. Access your personalized schedule and receive instant push notifications about room changes or cancellations on your smartphone.
  • Resource Management. Coordinate the booking of specialized rooms, laboratory equipment, and shared school vehicles to prevent double-bookings.
  • Parent-Teacher Communication. Schedule parent-teacher conferences and share student progress reports through a secure, centralized communication portal.

Pricing Comparison

T

TidyCal Pricing

Free
$0
  • 1 Calendar connection
  • Unlimited booking types
  • Standard booking pages
  • Basic integrations
  • TidyCal branding
U

Untis Pricing

Pros & Cons

M

TidyCal

Pros

  • One-time payment model eliminates monthly subscription fatigue
  • Very simple and clean user interface
  • Fast setup process takes only a few minutes
  • Reliable synchronization with multiple major calendar providers

Cons

  • Fewer advanced customization options than premium competitors
  • Limited native integrations with niche CRM tools
  • Basic email customization for automated notifications
A

Untis

Pros

  • Powerful automation engine handles extremely complex scheduling constraints
  • Real-time synchronization between administration and the mobile app
  • Modular structure allows schools to scale features as needed
  • Highly reliable performance even for very large educational institutions

Cons

  • Significant learning curve for new administrative users
  • Interface feels dated compared to modern consumer apps
  • Initial configuration requires a substantial time investment
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