Tonkatsu Box

Cross-platform collection manager for games, movies, TV, anime, manga, and books with tier lists.

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A cross-platform collection manager, Tonkatsu Box consolidates games, movies, TV, anime, manga and books into a single local library, with progress tracking, per-episode status and 1–10 ratings. Built with Flutter on local SQLite and usable offline without an account, it targets media collectors, gamers and readers who want an open-source, unified alternative to using separate cloud-based trackers.

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Behind the summary, Matchbox keeps a richer profile of Tonkatsu Box - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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