An offline practice app with detailed solutions. Track your progress by colour, bookmark tricky words, and learn the ones that actually appear in exams.
🌱 New — Focus Tree: turn study time into a growing treeEverything you need to build a strong vocabulary — clean, fast, and distraction-free.
A huge, carefully selected question bank including Previous Year Questions (PYQs) from major exams.
No internet needed. Practice anytime, anywhere — on the bus, in class, or at home.
Every question comes with a clear explanation for each option, so you understand, not just memorise.
Start a focus session and watch your tree grow as your focused study time increases.
Each set is colour-coded by your latest accuracy, so you instantly see where you're strong and weak.
Save tricky questions and revise them later in one place.
Comfortable reading day or night, with a clean high-contrast design.
Completely ad-free and no sign-up. Your progress stays on your own device.
Turn your study and work time into a growing tree. 🌳 Start a focus session and watch your tree grow as your focused time increases. ⏱️
Complete a 5-hour focus session, then send us a screenshot along with your name at support@whiteoceanbook.com — we will plant a real tree in your name.
Every set is colour-coded by your latest score. One glance shows what's mastered and what needs work.
Track your progress by colour
WhiteOceanBook pairs the app with a printed book of 22,000+ handpicked questions — inspired by PYQs from SSC CGL, CPO, CHSL, Railway, Banking and more.
Last updated: 28 sept 2026
WhiteOceanBook does not collect any personal data. No account is needed, and your quiz progress, bookmarks, focus sessions and settings are saved only on your own device — they never leave your phone. All app data is permanently deleted when you uninstall the app or use Clear Data from App info. The current version of the app shows no advertisements and uses no third-party tracking.
Read the complete policy here:
Questions, feedback, or found a bug? We'd love to hear from you.