- Added a badge that encourages you to keep up with Today's Study — miss a day and it builds up until you catch up. - Improved the study history calendar to show missed days and reset points. - Added progress-day and delay-day stats to the study progress view. - Fixed an issue where resetting study progress didn't fully clear related history. - Fixed a dictionary loading issue that restored about 2,200 missing words. - Cleaned up access so iCloud backup, file save/load, list import, and preset word lists now require purchase. - Added Japanese language support.

- Massively expanded the built-in English dictionary to over 45,000 headwords. - Cleaned up spelling and inflection variants so related word forms now surface together. - Fixed intermittent freezing when exiting the word-check screen. - Fixed automatic backup retrying endlessly when iCloud is unavailable. - Fixed iCloud notice messages not displaying correctly in English.

- Fixed an issue where the app would slow down after using the word check screen. - Fixed an issue where automatic iCloud backup kept failing repeatedly when iCloud was unavailable. The app now turns off automatic backup and notifies you when this happens. - Other stability improvements.

New Feature Today's Study — Smart Daily Review - Every day, the app automatically selects new words and words due for review, guiding you through a single study session. - New words go through "Preview → Check," while review words go straight to "Check." - Words you get wrong aren't skipped — once a full round finishes, they're regrouped and re-tested in the next round (shown with a "Round N" screen), repeating until you get them right. - Bulk-imported words can be quickly sorted as known or unknown in the new Word Queue Check screen. - Your progress is saved if you leave mid-session, so you can resume where you left off or start over. - A study calendar heatmap shows your study activity over the last 5 months at a glance. - When a session ends, you can review every word you studied that day, see how many times you missed each one, and tap any word to open its detail card. - Fully customizable: daily new-word count, daily review limit, preview/check timing, and more. Design Improvements - Sort pickers, batch-select buttons, and other key controls now use the app's signature gradient style consistently. - Fixed toolbar buttons being hard to see in iOS 26 dark mode. Stability & Bug Fixes - Smoothed out the card timer ring animation. - Fixed refresh and sorting bugs on the Today's Study screen.

• Redesigned the stats/sentence-stats screens to be more analytical (added summary metrics like word count, accuracy rate, and study streak, plus per-source accuracy and a weak-words list) • Cards now show source count (yellow stars) and wrong-answer count (orange stars) separately, and always display the most recently added source • Fixed word search so its result list clears when the search field is emptied • Added app version info to the Purchase screen • Improved iCloud backup performance: a full backup is skipped when nothing has changed, and meaning/example/source changes and deletions are uploaded incrementally instead • Added options to choose the cold-backup interval and change threshold, plus a "Back Up to iCloud Now" button • Prevented the app from waiting indefinitely when iCloud is slow to respond • Reviewed and completed English translations across the app

• Fixed iPad card-swipe freezing after a few swipes • Cleaned up card screen layout (card position, header count text size) • Added progress indicators for longer operations — list import, file save/load, duplicate view — including a dark mode visibility fix • Added an option to keep the old iCloud backup as a file before starting fresh without restoring it • Made iCloud backup files viewable directly in the Files app • Improved responsiveness of the main menu and check/test screens by removing redundant re-fetching • Automatically trims leading/trailing spaces when saving or searching words, with a confirmation notice • Reduced typing lag in dictionary lookup and word search by waiting until typing pauses before searching • Added a progress indicator for the first-time dictionary load • Improved responsiveness when entering and typing in the word-entry screen

- Updated the word statistics section to reflect the selected study scope, and added a view showing words shared with other study scopes - Restricted Enhanced/Premium voice selection for Mac users (not supported on Mac) - Fixed lag during Check and Test - Fixed lag when reading words - Improved UI with progress indicators/spinners for longer operations such as list import, file save, file load, and duplicate view

Bulk word-list import for adding many words at once, improved legibility of folder labels across screens, and a built-in English–Korean dictionary of 20,000+ words.

Set study scope by word source, support multiple sources per word, and added a built-in 15,000-word learning dictionary.

Added sentence-based word review, iCloud word list backup, and preset word lists.

A feature that allows learning by playing a certain number of words through listening only while the phone is locked, and a function that enables easy word input using the camera.

Set the number of words on the memory confirmation menu screen Bug fix, the location of words on the word reading screen, and the total number of words displayed

"In App Purchase" is available. and In "In App Purchase" English version text is added.