Changelog

更新履歴

Every update to Kotoba, big and small — new features, improvements, and the thinking behind them.

開発者ノート

言

Why I Built Kotoba

Kotoba was built around one simple idea: learn a few words every day, without distractions.

Version History

v1.42026-08Latest

·Added swipe gestures to flash cards: swipe right for words you know, swipe left for words you don't
·Redesigned the mobile footer UI for clearer navigation and a more polished feel
·Refined selected N1 and N2 example sentences for more natural, useful practice

v1.32026-07

·Added three example sentences for every word, including English and Chinese translations
·Completed review coverage for all N5-N1 vocabulary
·Improved the flash card and report UIs for a denser, smoother learning experience

v1.22026-07

·Review List and Learning List now run on an Anki-style spaced repetition engine (FSRS)
·Review List shows only the words actually due for review today, not just past misses
·Learning List now shows every word you've studied, each tagged with a proficiency label

v1.12026-06

·Switched dictionary data source to JMdict for broader word coverage and more reliable entries
·Major mobile UI improvements for smoother navigation, cleaner layouts, and better readability

v1.02026-06