Google Calendar
The shareable online calendar by Google
Heydai
Know where your time goes
Updated February 2026
| Google Calendar | Heydai | |
|---|---|---|
| Rating | 5.0★ | 5.0★ |
| Reviews | 16 | 4 |
| Pros | 14 | 0 |
| FactScore™ | 61.5 | 34.9 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Google Calendar — Pros
Seamless integration User-friendly interface Reminders Sync across devices Calendar sharing Color-coded calendars Easy scheduling Reliable performance Simple design Clean interface Customization options Dark mode Good API documentation Google Calendar APIBoth tools — Pros
—Only in Heydai — Pros
No unique pros listedOnly in Google Calendar — Cons
Dependency on digital tools Limited task color optionsBoth tools — Cons
—Only in Heydai — Cons
—Details
| Google Calendar | Heydai | |
|---|---|---|
| Categories | Team collaboration software, Calendar apps, Scheduling software | Calendar apps, Time tracking apps, Activity tracking |
| Platforms | Web | Web · iOS |
| Became Popular | October 17, 2017 | January 1, 2024 |
| Website | calendar.google.com | heydai.app |
Who Should Pick Which?
Choose Google Calendar if...
- Seamless integration
- User-friendly interface
- Reminders
Choose Heydai if...
- No unique pros listed
With a FactScore™ of 61.5 vs 34.9, Google Calendar leads in community reception. Google Calendar uniquely offers Seamless integration and User-friendly interface, while Heydai stands out for No unique pros listed.
What Users Say
Google Calendar
We all use it, so it only makes sense to integrate it into our app. Syncing with Google Calendar makes scheduling super easy. Our AI agents use Google Calendar to check availability and book meetin...
Building add-ons for Google Calendar was a great experience thanks to all their documentation and fast approval process!
Every coaching call, event, and session booked through Flexpoint syncs effortlessly with Google Calendar. It’s intuitive for both creators and customers, keeps everything organized, and just works....
Heydai
What I love most about Heydai is how it helped me establish a habit of logging my time. I'm now much more aware of where my time goes throughout the day and tend to catch myself sooner when spendin...
Clean UI! Simple and helpful app. Highly recommend!
I just love Sean's app. He's put his mind, body, brain AND soul into this project. And he's truly trying to help people to prioritize their lives and be happier. The app is clean, short & sweet...
Related Comparisons
Frequently Asked Questions
Which is better, Google Calendar or Heydai?
Based on FactScore™, Google Calendar leads with a score of 61.5 vs 34.9. Google Calendar has a higher rating of 5.0★ compared to 5.0★.
What are the pros of Google Calendar compared to Heydai?
Google Calendar uniquely offers: Seamless integration, User-friendly interface, Reminders, Sync across devices, Calendar sharing.
What are the pros of Heydai compared to Google Calendar?
Heydai uniquely offers: No unique pros listed.
Is Google Calendar better rated than Heydai?
Google Calendar is rated 5.0★ from 16 reviews. Heydai is rated 5.0★ from 4 reviews.
What is the FactScore™ of Google Calendar and Heydai?
FactScore™ weighs rating and review volume together. Google Calendar scores 61.5 and Heydai scores 34.9.
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