Notion Calendar
Spark
| Feature | Notion Calendar | Spark |
|---|---|---|
| Pricing | Free only | Free / from $7.99/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.4 / 5 | 4.4 / 5 |
| Best For | notion-users, freelancers, knowledge-workers, startup-teams | professionals, small-teams, freelancers, mac-users |
| Founded | 2021 | 2015 |
| Time Blocking | ✓ | ✗ |
| Availability Sharing | ✓ | ✗ |
| Notion Integration | ✓ | ✗ |
| Multi Calendar | ✓ | ✗ |
| Scheduling Links | ✓ | ✗ |
| Keyboard Shortcuts | ✓ | ✗ |
| Menu Bar Widget | ✓ | ✗ |
| Smart Inbox | ✗ | ✓ |
| Ai Writing | ✗ | ✓ |
| Team Email | ✗ | ✓ |
| Scheduling | ✗ | ✓ |
| Templates | ✗ | ✓ |
| Priority Sorting | ✗ | ✓ |
✓ Notion Calendar Pros
- Beautiful native app with fast performance
- Deep integration with Notion databases and pages
- Availability sharing without back-and-forth emails
- Multi-calendar view across Google and Notion calendars
- Free for all users
✗ Notion Calendar Cons
- Requires Notion account for full functionality
- No Microsoft 365 calendar support yet
- Mobile app less feature-rich than desktop
✓ Spark Pros
- Beautiful design
- AI writing assistant
- Smart inbox
- Team features
✗ Spark Cons
- Limited platform support
- Privacy concerns
- Some features behind paywall
The Verdict
Notion Calendar is built for notion users and freelancers, with a focus on time-blocking and availability-sharing. Spark targets professionals and small teams and leads with smart-inbox and ai-writing.
Notion Calendar uses custom enterprise pricing, while Spark starts at $7.99/mo — a tangible advantage for teams with a fixed budget.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
Feature-wise, Notion Calendar offers broader built-in capabilities (7 features vs 6), while Spark takes a more focused approach — which can mean a simpler, faster onboarding experience.
Both tools are a solid fit for freelancers — in those cases, the decision often comes down to workflow style and how your team prefers to organize work.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.