Smart Trivia

Build your knowledge, one card a day! 🧠

Smart Trivia is an all-in-one learning app with 6,000+ verified trivia cards across 14 topics, in Korean, English, and Japanese.

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📚 6,000+ TRIVIA CARDS
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Master 14 hand-picked categories at a glance.
🦁 Animals · 🌳 Environment · 🚩 Flags · 🍎 Food
🌍 Geography · 💊 Health · 🏛️ Heritage · 📜 History
💻 IT · 🐠 Ocean · 🔬 Science · 🌌 Space
⚽ Sports · 🏆 World Cup
+ 🎉 Slang / Casual categories

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🎴 SMART FLASHCARDS
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Pick AI-optimized FSRS or the classic SM-2 algorithm.
Cards you know well show up less; tough cards return more often — your brain works less for the same retention.
Switch between Auto and Manual modes to match your learning style.

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❓ MULTIPLE CHOICE & TIME TRIAL
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Distractors come from the same category, so the difficulty stays meaningful.
Earn combo bonus EXP by chaining correct answers in Time Trial mode!

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📁 BUILD YOUR OWN DECKS
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Create custom decks for anything you want to learn:
• Text cards: question / answer / description / example
• Image cards: attach a photo + crop & rotate
• Import Excel / CSV files with column mapping
• Bulk-add up to 10,000 cards from pasted text

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🔄 SHARE & CLOUD BACKUP
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Send a deck to a friend as a .smartflip file via messenger or email.
Sign in with Google and your level, streak, and badges are auto-backed up to the cloud.
Switching phones? Sign in with the same account and your progress comes right back!

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🏆 GAMIFICATION
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From 🌱 Level 1 Sprout to 👑 Level 100 Grand Master!
• 3 daily missions (Study / Quiz / Reviews)
• Streak tracking + 7 badge tiers (3 days → 365 days)
• Level-up confetti celebrations
• Streak slipped? Recover up to 3 times per month

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🌐 KOREAN · ENGLISH · JAPANESE
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The whole UI and every card translate across all three languages.
Switch any time and double up as a language-learning app.
Built-in TTS reads card answers out loud for extra reinforcement.

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💡 PERFECT FOR
• Office workers & students who want a daily knowledge boost
• Anyone learning a foreign language alongside trivia
• Brain training during commutes or short breaks
• Building custom flashcard decks for exam prep
• Sharing study materials with friends

📌 WHY SMART TRIVIA
✅ 6,000+ verified trivia cards
✅ AI spaced repetition (FSRS) + SM-2
✅ Full Korean / English / Japanese support
✅ Works offline (no internet needed)
✅ Dark mode supported
✅ Ad-friendly policy (no ads during a study session)
✅ Cloud backup keeps your progress safe
✅ Clean, modern design

Start today. Five minutes a day — knowledge stacks up fast! 🚀

Recent changes:
v1.3 Major Update

📊 Stats redesigned
- Hero card (level/EXP/streak)
- Auto insights (weekly trend, peak hour)
- Category mastery comparison & details

🎯 Learning
- Difficulty filter (Easy/Mixed/Hard)
- Hide cards / Favorites
- Card notes / Free mode / Wrong-answer review
- Auto-play voice

🔍 New
- Card search
- Share progress cards
- High contrast mode

🎮 Quiz
- Time limit / Favorites-only

25+ UX polish: haptics, colorblind icons.