Tidemark
The private calendar you can just ask
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Every calendar you use (iCloud, Google, Outlook) plus Apple Reminders, in one app you can just ask: "Am I free Friday?" "Move the dentist to 3." Snap a flyer into events and know when to leave. Made by a student; the AI runs on device, no account.
PH · launched Nov 12, 2026 · 2 upvotes (top 19%) · 0 views
Niche: calendar synchronization tools · 18 launches, 3 in the last 7 days · Explore this niche →
Category and tags
- Horizontal
- Agent / copilot
- B2C
- AI-native
- Commercial product
- Productivity
- Calendar
- Artificial Intelligence
Visit website ↗ Source listing ↗
More like this: all 18 launches in calendar synchronization tools →
Could you build this?
Yes It combines calendar APIs (Google, Outlook, iCloud), EventKit for Reminders, and on-device model inference for natural-language commands, all accessible through standard Apple and OAuth SDKs.
Competitors
Other products that read as similar to this one : 720 launches clear the similarity bar, closest 8 shown.
Attention rank: #134 of 721 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 343 days after the earliest competitor.
- Cupola · ph · 2026-10-04 · 63 upvotes · similarity 0.54
- Calendar Assistant · ph · 2026-10-24 · 6 upvotes · similarity 0.53
- Side Calendar for Windows · ph · 2026-10-21 · 2 upvotes · similarity 0.53
- Cloud Calendars: Sync & Widget · ph · 2026-11-13 · 1 upvotes · similarity 0.53
- To-did · ph · 2026-10-02 · 1 upvotes · similarity 0.52
- Claire Mail · ph · 2026-10-22 · 76 upvotes · similarity 0.51
- Countdown Widget · ph · 2026-10-15 · 1 upvotes · similarity 0.51
- Practical · ph · 2026-11-05 · 1 upvotes · similarity 0.51
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.