・New Features In response to your requests, users on the Free plan can now create up to 5 sets. Updated the sidebar layout on iPad. Added hardware keyboard support for some parts of the study screen. The accuracy rate is now displayed on the card number border in the card list. Users on a paid plan can now change the ReBrain AI model. ・Bug Fixes Moved the search and sort buttons in the card list to the bottom. Updated the navigation bar. If you experience any issues, you can revert to the previous style from "Other" in settings. This version includes various bug fixes and performance optimizations. We've also taken the opportunity to clean up the app's internal code behind the scenes, laying the groundwork for a better experience going forward. If you notice any new issues, we'd appreciate it if you could contact us via the in-app settings.

・Bug Fixes Fixed an issue where the default keyboard would not appear. You can now study even when there are only a few cards in selection mode.

・New Features Redesigned the library view. You can revert to the previous layout from the customization option at the bottom. You can now nest folders inside other folders. You can now reorder sets and folders by dragging. Deleted items are now moved to "Recently Deleted" and permanently removed after 30 days. You can now merge sets. You can now select the text-to-speech voice. ・Bug Fixes Fixed an issue with sorting by weakest cards. Fixed a bug where the X toast notification would not disappear. Other minor fixes.

・New Features You can now add images to cards (beta). You can now reorder cards from the card editing screen. ・Bug Fixes Fixed issues with the spaced repetition algorithm. Other minor fixes.

・New Features Changed the spaced repetition algorithm to the more accurate FSRS algorithm. You can now adjust the review interval to match your study content in the algorithm settings. You can now resume a custom study session from where you left off after interrupting it. Added sidebar support for iPad. You can now flip the front and back of cards from the study screen. ・Bug Fixes Fixed some UI bugs. Other minor fixes.

・New Features You can now search across all sets from the library screen. You can now check your weekly study count from the records tab. You can now back up and restore all set data from settings. You can now disable "deep swipe" in flashcard study mode. You can now hide the character count in typing study mode. You can now check your study streak from the Home Screen using widgets. You can now check your weak words using widgets. Study settings are now easier to understand than before. Added new app icons. More actions are now available via Siri and Shortcuts. ・Bug Fixes Redesigned the widget layout. Optimized the performance of card sorting and filtering. Fixed an issue where cards were incorrectly categorized in the study results. Fixed a crash in the AI camera. Other minor fixes.

・New Features You can now set up your ReBrain profile without signing in. Signing in to your ReBrain account will now sync your statistics. ・Bug Fixes Replaced the global search button in the tab bar with a new create button. Fixed some behaviors on iOS 18. Updated the App Store screenshots for iPad. Other minor fixes.

・New Features Added new theme colors. ・Bug Fixes Updated store screenshots. Updated the feedback submission page. Fixed an issue that caused crashes in some cases. Other minor fixes.

・ReBrain AI We've added a feature to support AI-powered studying. You can use AI to generate word explanations, example sentences, and memorization tips. You can use AI to automatically add words from photos of flashcards and vocabulary books. ・Other New Features You can now review only the cards you got wrong from the results screen. You can now filter cards by accuracy rate. You can now delete all text at once by long-pressing the delete button in typing practice mode. ・Bug Fixes Fixed an issue where " characters remained after importing a CSV file. Fixed an issue where text-to-speech audio would not play. Fixed translation issues. Other minor fixes.

What’s New * Cards can now be filtered by number * Apple Pencil input is now supported in Typing Mode on iPad * Added a Quick Add feature for cards * You can now tap “Once Again” from the results screen in Custom Study * Bookmarks can now be managed directly from the study screen * The number of hidden cards is now visible from the filter screen * Recently studied sets can now be opened from widgets Fixes & Improvements * Fixed sorting by difficulty * Redesigned the results screen * Filter icons are now highlighted when filters are active for better visibility * Changed the position of the filter button on the study screen * Moved AI Word Generation to the Import section * Fixed progress display issues on the results screen * Redesigned the screen shown when long-pressing a card * Fixed an issue where sets could not be shared under certain conditions * Fixed widget-related issues * Other minor fixes and improvements

What’s New ・Sets can now be displayed in a compact view in the library Fixes & Improvements ・Added auto-save and restore when the app is closed during card creation/editing ・The auto-translation toggle state is now saved ・Fixed issues with incorrect translations ・Updated the card creation screen ・Other minor fixes and improvements

What’s New * Improved the Smart Study algorithm for more efficient learning * Added a new Fast Study algorithm for a study experience that fits you better * In Multiple Choice Study, you can now hide choices until tapped * In Multiple Choice Study, questions with Not in the choices can now appear * Cards can now be sorted in reverse order * Updated the Quick Search engine presets * Sets can now be exported and shared in .rbset format Fixes & Improvements * Fixed the progress display on the study screen * Made major UI improvements, especially better visibility in Dark Mode * Renamed Profile to Records and improved the layout for clarity * Other minor fixes and improvements ReBrain is continuously improving based on your feedback. We’d love to hear from you—please share your thoughts through the in-app form!

・What’s New You can now edit cards directly from the study screen. You can now search cards across all sets. The community feature has been discontinued. ・Improvements Improved visibility in Dark Mode. Other minor bug fixes and improvements. ReBrain is continuously improving based on your feedback. We’d love to hear from you—please share your feedback through the in-app form!

• New Features You can now review cards after finishing a study session This review screen can also be turned off in Settings Added a new theme color: Mono Theme • Fixes & Improvements Fixed an issue where the card count was incorrect Updated the animation for Nearby Share when sharing sets Fixed an issue where the speech speed setting was not being applied Improved keyboard visibility Added a confirmation screen to the Contact form Fixed several crash bugs

• Fixes Fixed a bug where Typing Study couldn’t move to the next card. Fixed an issue with sheets on iOS 18. Other minor fixes.

New Features •You can now display the accuracy rate of each card in the card list. You can turn it off in Settings. •Added a feature to hide cards. •You can now delete study history by long-pressing a card in the card list. •The iCloud sync status is now shown in the library. •Added a “go back one card” button in Flashcards. •Added an option to sort cards using buttons in Flashcards (Beta). Fixes •Significantly improved performance in the card list. Previously, operations became slow when there were too many cards, but this update makes the app run smoothly even with a larger number of cards. •Removed the custom scroll indicator and restored the default iOS scroll indicator. •Refreshed the card search interface.

New Features •Mix Mode – You can now study all your sets together in one place •AI Word Generation via Shortcuts + ChatGPT – Generate vocabulary using ChatGPT through the Shortcuts app. This works on all devices •Card Swipe Actions – New swipe actions are now available on cards Fixes & Improvements •Long words and definitions now display without being truncated •Updated the CSV/text import screen with a refreshed design •Swipe-learning cards now fit the screen properly •Fixed an issue where long text caused problems in typing mode •Fixed a bug where cards were translated even when auto-translation was disabled •Corrected the count of unlearned cards on the set screen •Improved the visibility of charts on the set screen •Fixed text visibility issues when certain themes were applied •Strengthened text localization •Performance improvements through overall optimization

Critical bug fixes Fixed login-related issues

•System update for enhanced ReBrain account security Due to this update, you will need to log in again. If you are unable to log in to your account after this change, please proceed without logging in and contact us through the app settings. •Folder feature added You can now organize your card sets by placing them into folders. •Redesigned set creation screen and icon selector The set creation interface has been improved to match the new folder functionality. •Subscription screen redesign It’s now easier to understand what’s available in the premium plan. •Lock screen widget added Launch the app with a single tap from your lock screen. •Control widget added Launch the app directly from the Control Center. •App Intents and Shortcuts support You can open the app and access the card creation screen directly from the Shortcuts app. •Home screen quick actions added Long-press the app icon to jump straight to the card creation screen. •Streak screen added Displays your consecutive study days when you keep using the app regularly. •Improved haptics The strength of haptic feedback has been fine-tuned.

Addition of AI Features (Beta Version) AI-powered encouragement comment feature AI-powered word set generation feature AI-powered example sentence generation feature App icon change Screenshot change Added automatic translation feature to the card addition screen Added feature to add words from photos Card numbers are now adjusted automatically when a card is deleted.

change Screenshots

Added auto reading feature You can now adjust the reading speed Other minor fixes

Free plan users can now create up to 3 sets. Fixed keyboard input issues in Settings Other bug fixes

Added Community feature (Beta) You can now set a background image in the app (Pro only) Added new font options Added new app icon options Improved visibility of Settings You can now contact support directly from the app Fixed text-to-speech; you can now select the language from set settings Long-press words in word lists to access more actions Profile pictures now sync with your account Other minor fixes

•Added new theme colors •Fixed critical bugs •Other minor fix