ThinkBud: AI PDF to Flashcards
Podcast, Quiz, Summary & Notes
Free · In‑App Purchases
Turn any notes into a podcast. Any PDF into flashcards. Any topic into a quiz. ThinkBud is the only study app built for every way you learn — listening, testing, reading, or asking.
- FEYNMAN MODE — NEW
Explain a topic in your own words. AI identifies exactly what you got wrong. The fastest way to close knowledge gaps.
- ASK AI — NEW
Tap Ask inside any session for context-aware answers about that specific material — not a generic chatbot.
- PROGRESS TRACKER — NEW
Daily streak, cards mastered, weekly activity. Know exactly how consistent you are.
- SMART FLASHCARDS + SRS
Auto-generated from your content. The SM-2 algorithm shows cards at the optimal moment.
- DUO PODCAST
Upload notes or a PDF — two AI hosts debate your material in real conversation. Study while commuting or at the gym.
- QUIZ MODE
Multiple choice, true/false, open-ended — generated from your material. No setup.
- SMART SUMMARIES
Extract must-know facts from any 50-page chapter. No fluff.
- POWERPOINT & HTML EXPORT
Generate a slide deck in seconds. Export as HTML for sharing.
- LANGUAGE MODE
Upload in one language, learn in another. Ideal for bilingual learners.
Join the Bud Squad.
Download ThinkBud today and transform your study routine from a chore into a vibe.
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Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
more Import your existing flashcards! Bring decks from Anki (.apkg), Quizlet, or CSV into ThinkBud and turn them into mind maps, quizzes, and Feynman practice. Plus: every example topic now comes with a free audio podcast you can listen to instantly. Faster, smoother onboarding rounds it out.
2.7.0 Jun 10
Algorithm improvements and performance optimizations.
2.6.1 Jun 5
Big reliability upgrade for large source material — huge PDFs, long lectures, and batches of 20+ photos now generate study kits without errors. Plus a clearer progress indicator while extracting text from images.
2.6.0 Jun 3
Smarter flashcard algorithm — reviews now land at exactly the right moment, every time. Plus a handful of performance and stability improvements across the app.
2.5.0 May 31
Smarter quiz and podcast algorithms for a smoother study session. Plus a few behind-the-scenes performance improvements.
2.4.6 May 29
Improved quiz experience and minor bug fixes. Thanks for studying with ThinkBud!
2.4.5 May 18
Smarter SRS, smoother podcasts.
• Tuned the SM-2 scheduler — cards you almost know now resurface at the perfect moment, not too early, not too late.
• Duo Podcast hosts sound more natural, with cleaner transitions and tighter pacing.
• Faster session loading plus a handful of small fixes.
Keep the streak going. — Team Bud
2.4.4 May 12
- Improved DMs: Faster, more reliable chat in direct messages.
- New Content: Fresh flashcards and educational games added.
- Optimization: General performance improvements and minor UI polishes.
2.4.3 May 11
v2.4.2 brings:
• Faster flashcard generation — up to 3× quicker on larger PDFs
• Smart deck merging when you import similar documents
• Better handling of scanned PDFs with mixed languages
• Bug fixes and small UI polish
Got feedback? Reply in the App Store review or shoot us an email — we read everything.
2.4.2 May 9
Optimization and improvements.
2.4.1 Apr 29
The Bud Squad just leveled up.
• SHARE DECKS — Send any deck to a friend. Tap the link → opens straight in ThinkBud, ready to study.
• DAILY XP RING WIDGET — Watch your goal fill up on your Home Screen and Lock Screen. New widget, same vibe.
• REORDER FLASHCARDS — Drag cards exactly where you want them. Your brain, your order.
• RENAME SESSIONS — Long-press any session to rename it. Tiny thing, huge sanity boost.
• OFFLINE BANNER — A clean heads-up when your connection drops, so you stop tapping ghosts.
Plus a bunch of speed and stability work under the hood.
Stay sharp. Bud Squad forever.
2.4.0 Apr 27
• Global search: find any flashcard, quiz, or mind-map node across every session
• Daily XP goal: pick a pace and watch the ring fill as you review
• Free daily AI chat: 5 messages a day on the free plan, no paywall
• Share decks: send a flashcard set to a friend with a single ThinkBud link
• Import from Quizlet, Anki, or CSV — bring your existing decks along
• Study Insights: heatmap and top topics show how you're actually learning
Plus a pile of fixes and polish. Thanks for studying with us.
2.3.0 Apr 25
Study together. Win together.
• Group Chat — message friends, share study kits, ask each other questions inside ThinkBud
• Weekly League — climb the leaderboard, earn XP every time you study
• Home Screen Widget — streak, cards due, and daily review at a glance
• Officially Certified by the Educational App Store 2026
• Fresh dashboard, cleaner progress view, new achievements
Tap "Chat" to start your first study group.
2.2.0 Apr 23
• Fresh Home redesign: the new "Due today" card puts your daily
review one tap away, and a brand-new Try Feynman Mode card
helps you lock knowledge in by teaching it back.
• Study Groups glow-up: create or join a group and it appears
in your list instantly. Leaderboards now reflect profile
name & avatar changes right away, and pull-to-refresh keeps
everyone in sync.
• Scan screen refreshed: cleaner Camera and Gallery tiles
that no longer clip text on smaller iPhones.
• New Session, new vibe: the mascot got a little confetti
welcome. Can you spot the sparkles?
• Mac app, properly branded: the app is now "ThinkBud"
everywhere in Finder, menu bar and Launchpad — and it
finally uses the same playful typography as on iPhone.
Thanks for studying with us. Keep that streak alive!
2.1.0 Apr 20
iPad is here — and it looks stunning.
• Brand-new sidebar navigation on iPad
• Adaptive layouts that use every inch of your screen
• Bigger flashcards, wider mind maps, roomier everything
• Full-screen sheets for creating sessions and exports
• Faster, smoother, and more beautiful than ever
Whether you're on an iPad mini or a 13" Pro, ThinkBud now feels right at home.
2.0.0 Apr 17
• Bug fixes and performance improvements
1.7.1 Apr 15
• Home Screen & Lock Screen Widgets — Track your study streak and due flashcards at a glance
• Push Notifications — Get smart reminders when flashcards are due for review
• New Generation Animation — Beautiful morphing visuals while your study kit is created
• Bug fixes and performance improvements
1.7.0 Apr 7
• Annual Plan — Save up to 64% with the new yearly subscription
• 3-Day Free Trial — Try Pro free for 3 days on any plan
• Share Your Notes — Create a public link and share your study session with anyone
• More Free Sessions — Now 5 free sessions and 10 AI chat messages
• Refreshed Onboarding — Try ThinkBud instantly with a built-in demo topic
• Feynman Mode Spotlight — Discover the Feynman technique right from your home screen
• Bug fixes and performance improvements
1.6.0 Apr 7
Optimization and improvements
1.5.1 Apr 5
Progress Tab — Track your daily streak, cards mastered, and weekly activity at a glance.
Ask AI — Inside any session, ask questions about that specific material. Context-aware answers only.
Learn with AI — No notes? No problem. Open a chat from Explore and learn any topic from scratch.
1.5.0 Apr 3
Version 1.4 introduces Language Learning through Podcast — a new way to
build vocabulary by listening to bilingual conversations. Choose a language,
pick a situation (at the airport, at a restaurant, and 16 more), and hear
Alex and Sam discuss it in your native language while demonstrating key
phrases in the target language. Generated episodes are cached — the same
topic always plays the same episode, no regeneration needed.
Also in this update:
- Spaced repetition: flashcards now schedule reviews based on how well you
know each card
- Daily review banner shows how many cards are due for review
- Flashcard progress stats with a breakdown by category
- Podcast customization: choose length and tone before generating
1.4.0 Apr 2
Optimization and bug fixes
1.3.1 Apr 1
AI Podcast — Two AI hosts turn your study material into a listenable podcast episode. Works for any topic, in any language.
Language Mode — New input mode designed for language learners.
Redesigned Dashboard — Cleaner overview with your sessions and study progress.
Performance improvements
1.3.0 Apr 1
Spaced Repetition (SRS)
Your flashcards now get smarter over time. After flipping a card, rate yourself with Again / Hard / Good / Easy — the SM-2 algorithm schedules the perfect review time automatically.
Daily Review Banner
Open the app and see exactly how many cards are due across all your sessions. One tap starts your daily review queue.
Feynman Mode (Pro)
The most effective study technique, now AI-powered. Explain a concept in your own words — ThinkBud evaluates what you got right, what you missed, and asks a follow-up question to deepen your understanding.
1.2.0 Mar 31
Folders — Organize your study sessions into custom folders for easy access
Study Reminders — Set daily notifications to keep your study streak alive
Spaced Repetition — Smart flashcard review system that schedules cards based on how well you know them
1.1 Mar 29
Import your existing flashcards! Bring decks from Anki (.apkg), Quizlet, or CSV into ThinkBud and turn them into mind maps, quizzes, and Feynman practice. Plus: every example topic now comes with a free audio podcast you can listen to instantly. Faster, smoother onboarding rounds it out.
more Version 2.7.0 Jun 10
Data Not Collected The developer does not collect any data from this app.
