GuruOwl owl mascotGuruOwl — formerly Flashify

PDF · Anki · YouTube — one coach

Bring your Anki decks, PDFs, or lectures.
Finally remember them.

You already have the material. Guru turns it into a daily plan and coaches you until it sticks — all the way to your goal.

Import .apkg & .colpkgFree daily planCoached, not just quizzed
GuruOwl turns your study material into a path of cards that climbs to your goal

Watch Guru find a gap in 10 seconds. No signup. ↓

Your AI coach
Active recall · graded live
The coach asks

In diabetic ketoacidosis (DKA), why do you check and replace potassium before starting insulin?

Your answer
No signup. The real coach, graded live.
AI-PoweredCloze Deletion.apkg ExportPDF HighlightsSource TracingFree to Start10+ TemplatesCross-DevicePrivacy FirstCommunity DecksAI-PoweredCloze Deletion.apkg ExportPDF HighlightsSource TracingFree to Start10+ TemplatesCross-DevicePrivacy FirstCommunity Decks
The difference

Other tools quiz you. Guru makes you explain it.

Same card, two outcomes — recognizing the answer, or being coached through it until you can explain it yourself.

Generic AI
QWhat does the Frank–Starling mechanism describe?
AIncreased preload increases stroke volume.

Flat. You’ll recognize it on the card — and blank on the exam.

Guru Expert
Increased preload raises stroke volume via the Frank–Starling mechanism.
Mechanism: Greater end-diastolic volume stretches sarcomeres → optimal actin–myosin overlap → more forceful contraction.
Clinical: Curve flattens in systolic heart failure — fluid overload no longer translates to output.
High-yield: ↑ preload → ↑ stroke volume, up to a physiologic limit.
Board-checked vs USMLE standard.

Structured, not flat

Every card carries the mechanism, a clinical correlation, and the high-yield takeaway — the depth AnKing decks are known for.

Image occlusion

We find the labeled diagrams in your PDF and turn each into a masked active-recall card.

Image-occlusion card from a labeled diagram

Board-checked

Every medical card is audited against board standard — and flagged when your source deviates.

How it works

Bring what you have. Leave knowing you actually know it.

01

Import the deck you already trust

Bring an Anki .apkg or .colpkg, your PDFs, or notes. Subdecks, images, and cloze come across intact — GuruOwl organizes it all around your exam date.

02

Get today’s plan

No more staring at a 3,000-card pile. Guru picks what’s due and what’s weak and hands you one short session — the few minutes that actually move the needle today.

03

Explain it — Guru finds the gap

Guru makes you explain each answer, catches the concept you only half-know, and writes a fix-it card. Turn on Study Lock and distractions stay shut until the session’s done.

Learn it, don't just make it

Your material becomes a study session — not a stack of cards

Generate once, then actually learn it on the web: get grilled, quizzed, mapped, and reviewed until it sticks.

Feynman coach

Feynman coach

Explain it back in your own words. The AI grills you on exactly the gap you glossed over — the thing ChatGPT never does.

AI quiz

AI quiz

Auto-written multiple-choice from your own cards — a fast, honest check on what actually stuck.

Mind map

Mind map

See the whole subject's structure at a glance, one branch at a time, built from your deck.

FSRS review

FSRS review

Daily spaced review schedules each card right before you'd forget — and your goal's mastery climbs.

Deck styles

Generate in the exact style of a deck you trust

Pick a famous deck — AnKing, MileDown, Core2k — and GuruOwl writes your new cards in its voice: the same cloze patterns, formatting and tags. Not a generic template; the real thing, learned from the deck itself.

One source document fanning out into four trusted flashcard styles
AnKing · Step 1AnKing · MCATMileDown · MCATCore2k · 日本語CornellGCSE · ScienceSpanish 1001German BundesländerUS PresidentsPhil. Bar · Law…or your own deck
Already use Anki?

Bring your whole Anki in — and study it anywhere

GuruOwl speaks Anki's own sync protocol. Point the desktop or mobile app at us, hit Sync, and your real collection — decks, cards, scheduling and all — lives here too. No add-on to install.

Anki desktop and phone syncing two-way with GuruOwl on the web

Native Anki sync

Set a dedicated sync password, point Anki at the GuruOwl sync server, and your collection flows straight in — the real Anki protocol, not a one-off export.

  1. 1 In Anki: Preferences → Syncing → Self-hosted sync server.
  2. 2 Paste your GuruOwl sync URL and sign in.
  3. 3 Hit Sync — your decks appear on the web.
Set up sync
A web browser showing a deck tree, card list, and a faithfully rendered card

Browse & study on the web

Open your collection in any browser — deck tree, card table, and a faithful render of every card: cloze, image occlusion, your own styling and CSS.

  • Your decks, faithfully rendered
  • Search across cards and tags instantly
  • Nothing to install — it's all in the browser
Open your collection
Features

Built for Serious Studying

Not 500 cards scraped from a textbook — the few dozen that actually move you toward your goal.

Highlight Detection

AI reads highlighted passages in your PDF and focuses card generation on those areas.

Cloze Deletion

Generates […] fill-in-the-blank cards automatically where appropriate.

Diagram Occlusion

Expert decks find the labeled diagrams in your PDF and mask each label into an image-occlusion card for active recall.

Source Traceability

Each card links back to the original page number, so you can verify the source.

Inline Editing

Edit any card before export. Fix wording, add context, or delete cards you don't need.

Cross-Device

Standard .apkg files work on Anki desktop, AnkiMobile, AnkiDroid, and AnkiWeb.

Privacy First

Your documents are used only for card generation. They're not used for training and can be deleted anytime.

Match a deck you trust

Generate in the exact style of AnKing, MileDown or your own deck — cloze patterns, formatting and tags learned from the source.

Native Anki sync

Point real Anki at GuruOwl and hit Sync — your existing collection flows in over Anki's own protocol. No add-on.

Study on the web

Browse and review your decks and cards in any browser, faithfully rendered — cloze, occlusion, your own styling.

Real students, real decks
Flashcards generated
Documents turned into decks
1,100+
Learners and counting

Common Questions

Can't find what you need? Reach out to our support team.

You can — and it's fine for a one-off explanation. The difference is GuruOwl is built around your goal, not a single chat: it turns your material into atomic, Anki-formatted cards tuned to what's testable, exports a real .apkg, and then actively grills you and spaces reviews so it sticks. ChatGPT explains it once; GuruOwl makes you remember it.

Yes. We detect highlighted regions and annotations in your PDF. The AI uses them to prioritize which content to turn into cards. If your PDF has no highlights, the AI generates from the full text instead.

The quality is generally good for structured content like textbooks and study guides. For complex or ambiguous material, you'll want to review the output — that's why we include a split-screen review step.

Yes. We export standard .apkg files with proper field mappings and Cloze deletion support. Import directly into any Anki client — desktop, mobile, or web.

Yes — on the Expert tier. GuruOwl finds the labeled diagrams in your PDF (anatomy plates, schematics) and turns each into an image-occlusion card with its labels masked, alongside richer mechanism / clinical detail on every card. Pick Expert on the generate panel; it costs 3 credits per page versus 1 for Standard.

Pick a goal. Start remembering.

Set what you're studying for, feed it any material, and let your coach grill you until it sticks. No credit card required.