Honest comparison

Clockwise vs Caltsu.
Team AI or your own sync?

Clockwise uses AI to optimize your team's schedule for more focus time. Caltsu syncs your personal and work calendars to protect your time. Let's see which one is right for you.

Feature
Caltsu
Clockwise
Core focus
Individual Calendar Sync
Team Schedule Optimization
Google Calendar
Outlook / Microsoft 365
Apple Calendar
Syncs calendars outside your org
EU-hosted / GDPR-first
AI-powered scheduling
Focus time protection
Free tier
Yes
Yes
Paid plan
€8/mo
From $6.75/user/mo

Where Caltsu wins.

Cross-organization sync

Caltsu is built to sync calendars from completely different companies and accounts, like your personal Gmail and work Outlook. Clockwise only works within a single organization.

EU-hosted for GDPR compliance

If data residency is important, Caltsu is the clear choice. All infrastructure and data processing is handled within the EU, unlike Clockwise.

Apple Calendar support

Caltsu supports Apple Calendar alongside Google and Outlook. Clockwise does not, which is a dealbreaker for many Apple users.

Individual focus

Caltsu is designed for the individual professional. It solves one problem very well: keeping your separate calendars aligned. No team features means less complexity for you.

Where Clockwise wins.

Team optimization AI

Clockwise shines in a team setting. Its AI automatically rearranges meetings to create longer blocks of uninterrupted focus time for everyone.

Focus time analytics

It provides detailed reports on how your team spends its time, highlighting meeting overload and protecting focus time. This is its core strength.

Sync your calendars, own your time.

If you need a simple tool to merge your work and personal life, Caltsu is for you. Sync up to 3 calendars for free.