Side by side
cal.ad vs Nuudel
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
cal.ad combines email and chat scheduling with two-way Google Calendar sync and video meeting links. Plus removes the email limit and adds event editing, schedule summaries, premium AI, and priority support.
Visit cal.ad Free plan Web
Visit Nuudel The facts
| cal.ad | Nuudel | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Web | Web |
| Lowest paid plan | cal.ad Plus: $4.88 a month | Free or on request |
| Plans published | 2 | 2 |
| Maker | Not published | Nuudel |
| Website | cal.ad | nuudel.digitalcourage.de |
| On calendar apps | #152 of 194 | #156 of 194 |
cal.ad: what it does well
- Natural-language event creation by chat or email
- Extracts event details from PDFs and images
- Two-way Google Calendar sync
- Google Meet links and invitations on both plans
- Free plan available
What to know first
- No mobile apps currently
- Free plan allows 10 emailed events per 30 days
- Outlook and Apple Calendar are not yet supported
- Email processing requires DMARC authentication
Nuudel: what it does well
Alternatives to cal.ad Alternatives to Nuudel The whole list
