★★★★★
Average rating on the App Store. Apple doesn't publish how many ratings each star has.
Where this app stands in Malaysia, updated 15 Nov 2026
Top free
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#15 –
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Study Japanese every time you glance at your phone. Kanji Lock Screen puts a kanji or word from the JLPT lists on your Lock Screen, Home Screen or StandBy. Tap it to reveal the reading and the English meaning — without even unlocking your iPhone. FEATURES • Lock Screen widget with a tap to reveal readings (On and Kun) and meanings • Choose kanji, words, or both • Pick any combination of JLPT levels, N5 to N1 • More than 2,200 kanji and 8,000 words included • Study mode with spaced repetition: answer with a green check or a red cross and each card comes back at the right time (Leitner boxes: 1, 3, 7, 14 and 30 days) • Missed cards come back within minutes for same-day review • Daily limit for new cards so reviews never pile up • Rotation interval from 5 to 60 minutes when not in study mode • Progress tracking: due cards, new cards today and cards per box • Works completely offline. No account, no ads, no tracking HOW IT WORKS Touch and hold your Lock Screen, tap Customize, add the "Kanji of the Day" widget, and choose the rectangular size to get the check and cross buttons. NOTE iOS does not allow apps to run code when the screen turns on, so the card rotates on a timer you choose, or stays until you answer it in study mode. JLPT levels come from community lists and are not official. Data: KANJIDIC (EDRDG, CC BY-SA 4.0) and JLPT lists from tanos.co.uk (CC BY).