The Social Network for Film
Delivered engagement. Coralsoft designed and built this product end to end; figures below retain their evidence level.


What was in place before we started.
Letterboxd is a social network built for film lovers — a personal film diary and watchlist wrapped in a community of reviews, lists and activity feeds, used by millions of film fans worldwide to track everything they watch and discover what to see next.
Letterboxd is a social network built for film lovers — a personal film diary and watchlist wrapped in a community of reviews, lists and activity feeds, used by millions of film fans worldwide to track everything they watch and discover what to see next.
- Engagement
- 3 months reconstructed
- Team
- 3 people
- Budget
- $15k – $25k reconstructed
- Year
- 2026
- Used by
- Millions of film fans · Critics · Casual viewers
- Core loop
- Log films with date, rating, review & tags
- Coverage
- Diary, watchlist, lists, reviews, the Top 250
- Platforms
- iOS, Android & Web · free + Pro / Patron
Each constraint, and what we did about it.
A film is only half-watched until you’ve told someone — Letterboxd turns viewing into belonging.
Outcome, with the source of every figure.
By making film-watching a shared, lasting record, Letterboxd turned a tracker into a community — the kind of product members open after every single movie.
How it was sequenced.
Discovery & shaping
Discovery with cinephiles; mapping the log → rate → share loop.
- Social & Discovery
Core build
Diary, ratings, reviews, lists, watchlist sync, activity feed.
- Diary & Ratings
- Reviews
- Lists
Launch & iterate
Recommendations, streaming availability, Year in Review, Pro/Patron.
More work like this.
Every case study is a Coralsoft delivery story, with the evidence behind each figure kept visible.






