No search functionality for personal lists in Letterboxd app: SKIP, 28/100 | Ideas Lab

A feature request for Letterboxd's mobile app that addresses a minor friction point in list management.

The pain

Users with large personal lists on Letterboxd cannot quickly locate specific films within their own curated collections on mobile, requiring manual scrolling through potentially hundreds of entries.

The gap

Letterboxd's mobile app lacks search/filter functionality within individual user lists, while the web version may have better navigation options. This creates friction for power users managing multiple lists.

Build angle

This is not a standalone business idea, it's a feature request for an existing platform. Building a separate product around this would require either: (1) creating a Letterboxd wrapper app with enhanced list search, or (2) pitching directly to Letterboxd as a feature addition.

Strengths

Real user friction point with an existing engaged user base
Clear, specific problem with measurable impact on UX
Letterboxd has open API access, enabling third-party tools

Risks

Letterboxd could implement this feature themselves at any time, eliminating the business case
Wrapper apps face API deprecation risk and terms-of-service violations
Extremely small addressable market, only power users with large lists on mobile
No direct monetization path without violating Letterboxd's terms
Low switching cost means users would abandon a third-party tool if Letterboxd adds native search

Fly Labs Method

Is the pain real, is there a gap, is it the right time, can one person build it.

28

Value Equation

Dream outcome and how likely it feels, against the time and effort it costs.

22

One-Person Business

Curiosity pull, identity fit, and a path from free value to paid for a solo creator.

35

Viral Frameworks

Hook strength, shareability, and how cheaply it can be tested.

18

Builder Lens

Evidence the problem exists, timing, defensibility, and a model that fits on a napkin.

25

Five lenses, one composite. How scoring works

The angle

This is not a standalone business idea, it's a feature request for an existing platform. Building a separate product around this would require either: (1) creating a Letterboxd wrapper app with enhanced list search, or (2) pitching directly to Letterboxd as a feature addition.

No market research recorded for this idea yet.

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