Kynth Mutuals vs Letterboxd

A film diary is wonderful — until your taste is more than films.

Letterboxd is the best-loved culture community on the internet: a free film diary with unlimited reviews, ratings, and lists, a Pro tier at $19 a year that adds personalized stats and streaming-service watchlist alerts, and a community with real soul. If film is your whole world, it's close to perfect — and cheaper than us. Kynth Mutuals plays a different game: an AI taste profile built from everything you love — film, music, books, shows, and more — that finds the people and the next obsession your taste actually points to. Here's the honest comparison.

Letterboxd
Free — Pro $19.00/year, Patron $49.00/year

Their published pricing, verified July 2026.

Kynth Mutuals
$19/mo flat — you keep 100%

No success fee, no usage meter, no demo call. 30-day money-back guarantee.

Let's be straight: Letterboxd Pro is $19.00 a year and Kynth Mutuals Pro is $19 a month — on price alone, Letterboxd wins, and we won't pretend otherwise. What you're paying for here is scope: one AI taste profile across every medium you love, working out who and what to put in front of you next — with a 30-day money-back guarantee if it doesn't earn it.

What mattersKynth MutualsLetterboxd
Price$19/mo flatFree; Pro $19.00/yr; Patron $49.00/yr
Covers film, music, books, shows, and moreFilms only
AI taste profile learned from what you log
Matches you with people who share your tasteFollow-based — you find your people yourself
Diary, reviews, ratings, and lists
Personalized annual and all-time statsPro tier
Streaming-service filters and watchlist arrival alertsPro tier (via JustWatch)
Free tierLog and organize your taste by handUnlimited films, diary, reviews, ratings, lists
Try it on sample data without an account
Guarantee30-day money-backNot published

The honest recommendation

Pick Letterboxd if…
  • Film is your medium, full stop — Letterboxd's diary, stats, and community are the best in the world at exactly that, at a fraction of our price.
  • You want streaming-service watchlist alerts and beautiful year-in-review stats — Letterboxd Pro does both for $19 a year.
  • You already have your people — Letterboxd's follow-based community is enormous, and if your circle is there, that's where the conversation is.
Pick Kynth Mutuals if…
  • Your taste doesn't stop at film — you want one profile that understands the thread running through your music, books, shows, and movies.
  • You want an AI doing the matchmaking — surfacing the people and the next obsession your taste points to, instead of you hunting for both.
  • You'd rather prove it works first — the live demo runs on sample data with no account or card, and the 30-day money-back guarantee covers the rest.

Simple pricing. No surprises.

No per-seat pricing, no usage meters, no demo call — one flat price. No contracts. Cancel anytime. No credit card to start.

Free
$0

Log everything you love — film, music, books, shows — and keep your whole taste in one place, by hand, free forever.

Pro
Most popular
$19/ month

Pro builds your AI taste profile from it all — matching you with mutuals who share it and surfacing what your taste says you'll love next.

  • Everything in Free
  • The AI runs the job for you
  • Priority processing

30-day money-back guarantee — if Pro doesn't pay for itself, full refund, no questions asked.