v3.4.1 — Improved vertical OCR accuracy - Improved image processing for more accurate recognition of printed kanji and numbers on iOS 17 and iOS 18 - Results may still vary with print quality and page layout, so please review the recognized text before using it - If you run into a problem or have an idea, tap Send Feedback in Settings

Vertical OCR on iOS 17 and iOS 18 - Scan in the main app can now recognize vertical Japanese text in books and printed pages on iOS 17 and iOS 18 - A dedicated on-device vertical model automatically takes over when standard recognition finds no text - Switch between Auto, Horizontal, and Vertical in the review screen. Results may contain errors depending on print quality and page layout - Images and recognition stay on your device and are not sent to an external service - If you run into a problem or have an idea, tap Send Feedback in Settings

Clearer OCR compatibility guidance - On iOS 17 and iOS 18, Sumiyomi now explains that horizontal OCR remains available while vertical OCR requires iOS 26 or later - The message shown when no text is found is now more helpful - If you run into a problem or have an idea, tap Send Feedback in Settings

Stability improvements - Learning stats record more efficiently, and older low-use query data is pruned - When nothing is due today, you see a clear empty state instead of a completion screen - Starred history is clearer vs favorite words used in Daily Review - Very long text is safely limited to the first 5,000 characters before analysis - If you run into a problem or have an idea, tap Send Feedback in Settings

Japanese vertical OCR - On iOS 26 and later, Sumiyomi can automatically detect and recognize vertical Japanese text in books and printed pages - Switch between Auto, Horizontal, and Vertical in the review screen to recognize the original image again - Improved photo orientation handling makes horizontal OCR more reliable too - If you run into a problem or have an idea, tap Send Feedback in Settings

Send feedback right from the app - You can now send feedback, bugs, or ideas straight from Settings — no Mail app setup needed - Add your email (optional) only if you'd like a reply

More reliable data upgrades - Rebuilt data migration so history, favorites, and review progress reliably carry over when upgrading from older versions - If reading your data ever hits a problem, it stays safely stored on your device (nothing is deleted) and the app tells you - Internal cleanup and stability improvements

Daily review reminder - Turn on the reminder in Settings: a notification at your chosen time on days when words are due - Tapping the notification jumps straight into the review session - Days with nothing due stay silent — no noise, ever - The app intro now includes a page about Daily Review

Daily Review: actually remember your favorite words - New "Daily Review" card on the home screen shows how many words are due today, with one-tap start - Flip a card and pick Forgot, Fuzzy, or Got it — the next review is scheduled automatically (spaced repetition) - Words you keep looking up but haven't memorized can join the review loop with one tap from the stats screen - See your review streak, today's finished cards, and mastered words at a glance - The widget now features due-for-review words first; tapping jumps straight into the session

Quality improvements - Made the furigana / kana / romaji mode selector more consistent across the main app and Share Extension - Copy and share output now follows the selected display mode and katakana annotation setting more reliably - Refined widget word cards for steadier favorite, recent-parse, and curated-word display - Tuned parsing work so results feel a little more responsive

New localizations - Added Thai, Brazilian Portuguese, and Hindi app UI - Added App Store descriptions, keywords, and promotional text for the three new locales - Added localized screenshot copy for the three new locales - Updated supported-language messaging to 14 localizations

Stability and sync polish - Improved refresh behavior for query stats and study data - Made favorite words sync more reliably with widgets - Fixed a possible stuck state after cancelling parsing - Clearer status when iCloud Sync is turned off - Added tests and internal structure polish for future updates

Lighter maintenance update - Cleaned up internal maintenance structure - Improved processing for text with repeated words - Reduced repeated kana and romaji result calculations - Small stability improvements

Better iPad and large-screen reading • Added a new iPad split layout with input and reading results side by side • Improved Settings and result presentation for more comfortable landscape use • Lightened internal processing for long text and repeated words • Small maintenance and stability improvements

Reliability and stability • Safer data migration and iCloud setup on first launch, so your data is better protected • Smoother transition from picking a history item to showing its readings • Clear message when exporting history to CSV fails • Various internal stability improvements

Reading settings and share card stability • Reading display preferences are now applied more consistently across the app • Share cards now correctly follow the Katakana annotation setting • Fixed a possible crash while generating a share card • Cleaned up learning-stat calculations and internal logging

Help and Privacy Policy in Settings - Added a Help & Support link in Settings to reach our support page and FAQ - Added a Privacy Policy link in Settings so you can see how your data is handled

Reliability and copy polish - Annotated copy output is now consistent between the main app and the Share menu - Katakana readings in copied text now follow the Katakana annotation setting - Cleaned up duplicated OCR internals to reduce future maintenance risk - Added tests for CSV export, learning stats, and annotated copy formatting

Reading and Share menu polish - The Share menu can now switch between Furigana, Kana, and Romaji - New Reading Size setting: choose Small, Standard, or Large for Japanese text and furigana - OCR review now supports paste-replace, clear, and copying either the original or edited text - Small stability improvements and internal cleanup

The words you keep looking up, at a glance - Always forgetting the same kanji? Words you look up 3 or more times are grouped on their own as "Frequent words" - New "Learning Stats" section in Settings: see how many words you've looked up, plus the list of the ones that haven't stuck yet - The word detail screen gently reminds you "You've looked this word up 3 times," with a one-tap add to favourites - All stats stay on your device, and sync across your devices when iCloud is on

Dark mode refresh and polished details - In dark mode, the result card now uses a warm sumi-black background with a delicate gold-leaf border - Japanese text renders in Mincho (Hiragino Mincho ProN), a serif typeface with a printed-page feel - Lots of small touches: bounce on word tap, fluid mode-selector animation, frosted-glass action buttons - Fixed a bug where share-card text could become invisible when switching between light and dark themes

Speech reading built for learners - During playback, the word being spoken is underlined in orange in real time, making it easy to tie the sound to the writing - Long-press the speak button to pick Slow, Normal, or Fast — your preference is remembered

OCR review and stability improvements - Review and edit OCR text before adding readings - Rescan, copy the original OCR text, or parse directly from the review screen - More reliable repeated parsing, plus improved detection for short kanji words

Furigana straight from photos and manga screenshots - The Share Sheet now accepts images: photos, screenshots, manga pages — tap Share and pick Sumiyomi to recognize the text right there with furigana - Vertical and horizontal Japanese both auto-detected - Copy the extracted text, or open it in Sumiyomi to save into your history

Refreshed screenshots - New App Store thumbnails showcase the lock screen widget, Share Extension overlay, and "This Month" card for the first time - Keyword optimization to reach more Japanese learners - No functional changes (identical to v2.7.0)