Shiberu
Learn From Your Shows
About
This app transforms viewed content into flashcards for spaced repetition learning. It supports various video platforms and file types, offering offline study and deck sharing. Users can also read imported texts and build vocabulary through interactive features.
What's New in Shiberu
1.2.56
November 8, 2026
New in this version: • Cantonese: dictionaries with Jyutping, including words.hk 粵典 • Many more meanings in your own language, from new dictionaries • Long meanings in other languages are shown in full • Saved lookups update when a dictionary does, and still work offline • Tap a meaning in the word sheet to put it on your card; a card never loses its meaning • Chinese readings follow the sentence (得, 地, 长…) • Rate Shiberu from Profile ▸ Support; the app language follows your choice
MoreFAQ
How does Shiberu help me learn languages?
Shiberu creates flashcards from words you encounter in videos or imported texts. It uses a spaced repetition system to schedule reviews, helping you memorize vocabulary efficiently over time.
What video platforms does Shiberu support?
Shiberu works with a browser extension to mine words from YouTube, Netflix, Crunchyroll, Viki, Bilibili, and any HTML5 video. You can also load your own subtitle files (.srt, .ass, .vtt).
Can I study with Shiberu offline?
Yes, you can download decks and study them without an internet connection. Your progress will sync automatically once you are back online.
Does Shiberu have ads?
No, Shiberu is completely free with no advertisements. The app is designed to be ad-free and does not include any in-app purchases or subscriptions.
How does Shiberu's spaced repetition work?
Shiberu utilizes FSRS-6, a modern spaced repetition algorithm. This system optimizes review intervals based on your performance, ensuring you review cards at the most effective times.
Can I use my existing Anki decks with Shiberu?
Yes, Shiberu allows you to import .apkg decks, including their full review history. It replays reviews through FSRS to maintain your learning schedule.
What devices is Shiberu available on?
Shiberu is available on iPhone and iPad devices. Your progress and decks sync across these devices and the web app.
How often is Shiberu updated?
The latest version, 1.2.54, was released on November 1, 2026. Updates are frequent, ensuring the app remains reliable and feature-rich.