Private · yours · for collectors & households

The films & shows you own — finally in one private place.

Koinolog is a private diary for your household and your collection. Bring your library in from Plex or your shelf, log what you watch, and know where to watch — and buy — anything, editions included.

No ads. No public feed. Just your people. We’ll email you when it opens.

See a sample household →

Collectors, this one’s for you.

Nowhere good tracks your physical shelf and what you watch and where to buy the next edition. Koinolog does. Here’s a taste of the where-to-watch-&-buy pages:

See the where-to-watch & buy pages →

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Own your library

Import from Plex or add by hand — including your physical shelf. Your collection, not an algorithm’s.

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Built for collectors

4K, Blu-ray, Criterion, SteelBooks, box sets. Track the editions you own and the ones you want.

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Log & rate

A ½–5★ rating, the date, and a quick take — one tap, from anywhere you watched.

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Track TV, episode by episode

Mark episodes watched, rate each one, and see your progress across a whole show.

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Where to watch — and buy

Streaming, rent and buy by country, plus new, second-hand and collector-edition search links.

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Private household circles

Share with your household — not the whole internet. No ads, no public feed, invite-only.

A peek inside

A warm, poster-rich journal — built around your collection.

Browsing your library in Koinolog, owned titles first — Your whole collection — owned titles first.

Franchises grouped automatically in Koinolog — Franchises, grouped automatically.

A Koinolog title page: cast, background, and where to watch and buy including collector editions — Every title: cast, background, and where to watch — and buy, collector editions included.