Saerok — JLPT Widget Quiz
Solve JLPT on your Home Screen
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Tap a widget choice and it's graded on the spot — one Japanese question a day, right on your home screen.
■ Your home screen is the study desk
Saerok lets you solve questions right on your home screen widget. Tap a choice on the widget and it's graded on the spot, then moves to the next one. No waiting for the moment you finally open the app.
■ Every JLPT level, N5–N1
· 4,000+ questions — kanji reading, orthography, contextual vocabulary, paraphrase, usage, grammar
· 2,400 core words
· Built to mirror the real exam's section makeup (no orthography on N1, word formation on N2, etc.)
· Every question verified by native Japanese speakers
■ Study that fits you
· Mix and draw only the question sets you choose
· Review notes — retry only what you got wrong; correct answers drop out automatically
· Accuracy analysis by question type to find your weak spots
· Daily streaks and goals to keep the habit going
■ An easy start
· No sign-up — start right away with free questions
· Buy only the question types you want — own just what you need, forever
· Saerok Plus subscription unlocks everything
Your study history stays on your device — no personal data is sent to the developer's servers.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://haeh.kr/saerok/privacy
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, SUNGYUN NAM, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- SUNGYUN NAM
- Size
- 36.7 MB
- Category
- Education
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 2 more
- English, Korean, Traditional Chinese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Saerok Plus Monthly $1.99
- JLPT N1 Paraphrases $0.99
- JLPT N1 Contextual Vocabulary $0.99
- JLPT N2 Contextual Vocabulary $0.99
- JLPT N1 Sentence Assembly $0.49
- JLPT N1 Grammar $1.99
- JLPT N1 Usage $0.99
- JLPT N2 Orthography $0.49
- JLPT N2 Word Formation $0.49
- JLPT N2 Sentence Assembly $0.49
- Copyright
- © 2026 HAEH