Inventions & Discoveries is a free offline guide to more than 1,300 of the world's great inventions and scientific discoveries – from the wheel and the printing press to the telephone, penicillin, the internet and ChatGPT. For every entry you see who made it, when, and a short "Did you know?" fact. Learn with quizzes, flashcards and daily challenges – no internet needed.

✨ NEW IN THIS UPDATE
A brand-new design with dark mode, 683 new inventions and discoveries (marked NEW) – including many Indian firsts, from Aryabhata and Ramanujan to ISRO's Chandrayaan, UPI and Covaxin – every old entry checked and corrected, 13 subjects, quizzes with explanations, Inventor Challenge, Exam Mode, flashcards, daily goals, streaks and 17 badges.

🗂 13 SUBJECTS
Medicine & Health · Communication & Media · Physics · Chemistry & Materials · Biology & Genetics · Transport · Home & Everyday Life · Computers & Internet · Industry & Engineering · Electricity & Electronics · Astronomy & Space · Maths & Measurement · Weapons & Defence

🔍 WHO, WHEN & HOW
Inventor or discoverer, year, subject and an interesting fact for every entry. Tap a chip to jump to more by the same person or in the same subject.

📅 INVENTION OF THE DAY
A new invention every morning, with a reminder you can switch off.

🧩 QUIZZES THAT TEACH
Who Invented It? · When Was It? · What Did They Find? · by subject or all mixed. Every answer comes with an explanation.

⚡ INVENTOR CHALLENGE & ⏱ EXAM MODE
10 quick timed rounds, or a real test: 50 questions in 25 minutes.

🔁 MY MISTAKES · ⭐ SAVED · 🃏 FLASHCARDS
Wrong answers are saved so you can practise them; save entries and revise them as flashcards.

🎯 DAILY GOAL, STREAKS & BADGES
Set a daily goal, keep your streak, collect 17 badges and see your weakest quiz type.

🔊 LISTEN
Hear any entry read aloud, or slowly with 🐢.

✨ MORE
• 100% offline – all entries, quizzes and flashcards work without internet
• Search 1,300+ inventions or inventors
• Light and dark themes
• Share any entry as a picture
• Watch one short video to use the app ad-free for 15 minutes

Great for students, quiz lovers and competitive exams (GK, SSC, banking, UPSC science and technology).

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