Side by side
Ari vs DayOtter
Both stand on ai scheduling assistants. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan iPhoneMacWeb
Ari combines email-based scheduling with calendar actions and meeting tools on Mac and iPhone. Review proposed times before confirming, and check the plan limits if you expect to schedule frequently.
Visit Ari Free plan WebAndroid
DayOtter offers a free route to booking pages and calendar coordination, with team tools available in Pro and the self-hosted edition. Consider the unavailable custom booking domain if that matters for your booking pages.
Visit DayOtterThe facts
| Ari | DayOtter | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | iPhone, Mac, Web | Web, Android |
| Lowest paid plan | Basic: $24 a month | Pro: $9 a month |
| Plans published | 3 | 3 |
| Maker | Not published | Not published |
| Website | justcc.to | dayotter.com |
| On ai scheduling assistants | #1 of 25 | #4 of 25 |
Ari: what it does well
- Can create, update, and cancel calendar events with permission.
- Supports email, calendar, and meeting services listed by the maker.
- Mac and iPhone apps record and transcribe meetings.
- macOS recordings and transcripts stay on-device unless cloud features are used.
What to know first
- Free plan is limited to 10 meetings total.
- Free plan includes only one Google and one Microsoft calendar.
- Users must review and confirm proposed meetings.
- Email content is sent to Anthropic’s Claude API for processing.
DayOtter: what it does well
- Free plan includes unlimited event types and booking pages.
- Two-way calendar sync is available.
- Supports group events and round-robin scheduling.
- Self-hosted edition includes every Pro feature.
- Pro includes booking analytics and payment collection.
What to know first
- Custom booking domains are not available.
- Pro costs $9 a month, billed monthly.

