Sigmajp Integrated Reader
Read Japanese books with instant dictionary & flashcards
About
Sigmajp is an integrated Japanese reader that combines an ePub viewer, a Japanese text parser, and a dictionary so you can tap any word for instant lookup. It automatically creates flashcards from your reading and uses spaced repetition to help you review vocab. A built‑in LLM button explains sentences word‑by‑word and lets you ask follow‑up questions.
The case
Who it is for
Intermediate Japanese learners seeking a seamless way to read books, look up words, and review vocab with flashcards.
What is broken today
Learners often have to juggle separate tools like Yomitan for dictionary lookup and Anki for flashcards. Setting up each tool, importing text, and manually creating cards can be time‑consuming and disrupt the reading flow.
What it does about it
Sigmajp embeds an ePub reader with a Japanese text parser and a dictionary, enabling instant tap‑to‑lookup. It auto‑generates flashcards from the text and schedules spaced repetition reviews. A built‑in LLM button translates and explains sentences word‑by‑word, and lets users ask follow‑up questions.
Why not the obvious alternative
Unlike using separate apps, Sigmajp requires no manual setup: you open a book, tap a word, and instantly get dictionary data, card creation, and LLM explanations—all within a single interface. It also allows follow‑up questions after the initial explanation, which typical dictionary or flashcard apps do not provide.
Details
Considered instead of
Named by the maker, not measured by us. It tells you what this is competing with, not which one wins.
Questions
- What does Sigmajp do?
- Sigmajp combines an ePub reader, a Japanese text parser, and a dictionary so you can tap any word for instant lookup, create flashcards, and get LLM explanations of sentences.
- How do I create flashcards?
- When you tap a word or a sentence, Sigmajp automatically generates a flashcard that you can review later. The app schedules spaced repetition automatically.
- Does it use an LLM for explanations?
- Yes, a built‑in button asks an LLM to translate and explain a sentence word‑by‑word, and you can ask follow‑up questions afterward.
- Is Sigmajp free?
- The page does not provide pricing information, so the pricing model is not specified.
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