Side by side
busyfold vs Calendar 366
Both stand on calendar apps. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Web
busyfold combines mixed-provider calendar sync, booking links, team scheduling, and video meeting creation in a web service. Its Free plan covers basic use, while Pro adds broader limits and AI-assistant scheduling.
Visit busyfold
Free plan iPhoneMac
Calendar 366 combines scheduling, tasks, meetings, integrations, and Apple automation in one app. Its free tier covers basic use, while premium access adds the broader feature set after a seven-day trial.
Visit Calendar 366The facts
| busyfold | Calendar 366 | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Web | iPhone, Mac |
| Lowest paid plan | Pro: $8 a month | Calendar 366 Pro (Yearly): $19.99 a year |
| Plans published | 4 | 7 |
| Maker | busyfold | Calendar 366 |
| Website | busyfold.net | calendar366.com |
| On calendar apps | #66 of 194 | #70 of 194 |
busyfold: what it does well
- Two-way Google and Microsoft calendar synchronization
- AI assistant scheduling through an OAuth-secured MCP server
- Automatic Meet, Teams, or Zoom links
- Free plan includes two calendars
- Encrypted calendar tokens and limited availability sharing
What to know first
- No mobile apps
- Free plan has a fixed seven-day sync window
- Unlimited booking and teams require Pro
- Pro costs $8 a month
Calendar 366: what it does well
- Works across iPhone, iPad, Apple Watch, and Mac
- Supports two-way sync and shared calendars
- Includes natural-language event creation
- Connects to major calendar and meeting services
- Stores calendar and task data locally
What to know first
- Premium features require a subscription or purchase
- Some integrations and MCP features are platform-specific
- Family monthly plan costs $4.99 a month
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