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 software that helps you create complex timetables, manage daily substitutions, and coordinate digital class registers to keep your entire educational institution running smoothly.

Starting at --
Free Trial NO FREE TRIAL

Quick Comparison

Feature TidyCal Untis
Website tidycal.com untis.com
Pricing Model Freemium Custom
Starting Price Free Custom Pricing
FREE Trial ✘ No free trial ✘ No 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 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 organization by automating the creation of conflict-free timetables. You can manage teacher schedules, room assignments, and student groups through a centralized platform that adapts to your school's specific pedagogical requirements. Whether you are handling simple weekly plans or intricate multi-period rotations, the system ensures all resources are utilized effectively while respecting individual constraints.

You can also handle daily changes with ease using the integrated substitution planning tools. When a teacher is absent, the software suggests the best possible replacements based on availability and qualifications, instantly notifying students and staff via the mobile app. It serves as a digital hub for your school, replacing paper-based class registers with digital versions that track attendance and lesson content in real-time.

Overview

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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 respecting thousands of individual constraints for teachers, students, and specialized classrooms.
  • Substitution Planning. Manage daily teacher absences quickly by finding the most suitable replacements and instantly updating the digital notice board.
  • Digital Class Register. Track student attendance, record lesson topics, and manage homework assignments digitally to eliminate paperwork and improve data accuracy.
  • Untis Mobile App. Provide your students and teachers with real-time access to their personal schedules and instant push notifications for any changes.
  • Resource Management. Coordinate the booking of specialized rooms, laboratory equipment, and shared media devices to prevent double-bookings and scheduling conflicts.
  • Student Choice Modules. Allow your students to select elective courses and afternoon activities directly through the platform for automated enrollment processing.

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

  • Handles extremely complex scheduling constraints with ease
  • Mobile app provides reliable real-time updates for students
  • Modular system allows you to scale features as needed
  • Strong compliance with European data protection standards

Cons

  • Significant learning curve for the initial setup
  • User interface feels dated compared to modern SaaS
  • Pricing can be high for very small schools
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