Calnio
Two-way sync between Notion and Apple Calendar
This is 1 of 151 launches in calendar and daily planning apps — see how it stacks up on momentum and crowding →
118 other launches read as similar to this one →
Details
- External ID
- 1264054
- Source
- PH
- Company
- —
- Product
- Calnio
- Website domain
- producthunt.com
- Launched
- Oct. 4, 2026
- Cohort
- —
- Upvotes
- 67
- Upvotes percentile
- 0.9692552670259676
- Tags
- Calendar, Apple, Notion
- Fetched at
- Oct. 5, 2026, 1:01 a.m.
- Updated at
- Oct. 5, 2026, 1:01 a.m.
Description
Calnio syncs Notion tasks and Apple Calendar both ways, real iCloud events with alerts, not a read-only webcal feed. Edit in either app, the other updates. Free, built by an indie dev and hosted on a Raspberry Pi at home.
Enrichment
- Theme
- calendar and daily planning apps
- Vertical
- Horizontal
- Function
- Workflow automation
- Audience
- Prosumer
- AI stance
- Not AI
- Project type
- Commercial product
- Normalized one-liner
- two-way calendar sync for notion and apple calendar
- Manually corrected
- False
Could you build this?
Yes Two-way syncing between Notion databases via Notion's official REST API and Apple Calendar via CalDAV/EventKit is a standard integration pipeline that can be vibe-coded easily.
Competitors
Other products that read as similar to this one — 118 launches clear the similarity bar, closest 8 shown.
Attention rank: #4 of 119 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).
Launched 334 days after the earliest competitor.
- TV - Family Calendar · ph · 2026-09-17 · 4 upvotes · similarity 0.51
- CalendarPipe · ph · 2026-04-17 · 155 upvotes · similarity 0.49
- Tilly · ph · 2026-09-11 · 4 upvotes · similarity 0.48
- Calerto for Mac · ph · 2026-09-12 · 124 upvotes · similarity 0.48
- CalendarPipe · hn · 2026-06-22 · 5 upvotes · similarity 0.45
- Second Brain · ph · 2026-09-10 · 1 upvotes · similarity 0.45
- cael · ph · 2026-09-25 · 2 upvotes · similarity 0.45
- Twocal · hn · 2026-08-05 · 5 upvotes · similarity 0.44
Other launches for this product
- No other launches for this product.
Same idea, different domain
Nobody's really built a workflow automation tool for Agriculture yet.