AI-powered study system

A complete study system, built from your own notes.

ReadVisualizeSummarizeListenQuizTeach back

Annoyingly committed to making sure you can actually learn.

Syllabus-lockedTracks weak spotsVoice & text
Ava, your AI tutor
Ava is grounded in this document
You

Why did the U.S. refuse to join the League of Nations?

Ava

The Senate rejected the Treaty of Versailles — Americans wanted to stay out of European affairs. Without the U.S., the League lacked authority.

You

Okay, quiz me on this.

Ava

Quick check: which body voted down the Treaty of Versailles — the League Council, the U.S. Senate, or the House of Lords?

Not just another AI flashcard app — a complete study system built to make sure you master your own notes.

Meet Ava the Tutor

Ava doesn’t just answer questions — she commits to getting you to mastery. She’ll quiz you, push you to teach it back, and track your progress.

Ava is speaking…

Visual Cards

Every concept becomes a visual card — one idea, one picture, one glance. Process diagrams, timelines, comparisons and more.

A Sayak visual card: “What is metabolism?” with an illustration and a five-point answer

Animated Video Lessons

Watch video lessons embedded with animations to further strengthen your comprehension and retention of key concepts.

Infographics

Complex relationships become clear structural flows. See how concepts connect at a glance with auto-generated diagrams.

A Sayak one-page infographic on carbon chemistry

Mastery Zone

Ava’s signature mode. She’ll guide you through active recall, make you teach concepts back, and won’t let you move on until you’ve got it.

Mastery Zone asking the student to explain a card back in about ten words

Quizzes

Auto-generated quizzes with instant feedback — built from your material and weighted toward what you keep missing.

What is the powerhouse of the cell?
Mitochondria
Nucleus
Ribosome

Earn Sparks

Stay motivated with streaks, levels and Sparks. Every study session counts toward your progress and badges — and Sparks can be redeemed for free credits.

12-Day Streak
1.5× Sparks on everything you do
540
Sparks
Redeem
+0
credits
  • +15 Quiz attempt
  • +15 Scored 90%
  • +30 Finished a pod

Redeemed 500 Sparks for 25 free credits

Your notes are full of knowledge. Finding the right next step is the hard part.

Information is everywhere — slides, documents, notes and scattered explanations. Sayak turns it into a clearer path forward.

Retention and comprehension deepen as reading turns into real experience

Follow the journey from your first upload to focused practice and exam readiness.

  1. Passive intake
    Stage 01 — Capture

    Reading only

    The starting point — words on a page, with the least retention on their own. Everything after this stage builds on top of it.

  2. Seeing it
    Stage 02 — Visual

    Visual + text cards

    Every concept becomes a card with a picture of how it works. Seeing an idea while you read it leaves a stronger memory than reading alone.

  3. Retrieval starts
    Stage 03 — Quizzes

    Retrieval starts

    Quizzes built from your notes make you pull answers out of memory, and lean on the cards you keep missing.

  4. Gaps closed
    Stage 04 — Explained

    Ava teaches you

    When something doesn’t click, Ava explains it from your own material — another angle, an example, a simpler version.

  5. Seeing it move
    Stage 05 — Video

    Watch video lesson

    Watching a video lesson with illustrative animations strengthens visual retention.

  6. Producing it
    Stage 06 — Writing

    Producing it

    Active recall through writing — you compose answers from memory instead of recognising them on a page.

  7. Mastery
    Stage 07 — Teaching

    Mastery

    The real test — explain the concept back to Ava. If you can teach it, you’ve learned it.

Your AI tutor

A tutor that helps you understand — not just get through the material.

Ava works alongside your learning materials to explain concepts, organize information, create practice and guide your next step.

Syllabus-lockedTracks weak spotsVoice & text
Ava, your AI tutor
Ava is grounded in this document
You

Why did the U.S. refuse to join the League of Nations?

Ava

The Senate rejected the Treaty of Versailles — Americans wanted to stay out of European affairs. Without the U.S., the League lacked authority.

You

Okay, quiz me on this.

Ava

Quick check: which body voted down the Treaty of Versailles — the League Council, the U.S. Senate, or the House of Lords?

From notes to understanding

Your notes become easier to work with.

Ava helps you move from dense material to a clearer understanding of the concepts that matter.

  • Key terms automatically highlighted
  • Content organized into clear sections
  • Plain-language explanations for each concept
Metabolism Overview
1/20
Question

What is metabolism?

Metabolism drawn as a factory: food is broken down on one side and new molecules are built on the otherVISUAL
Answer
Deep dive Ask Ava
  1. 1Metabolism is the total of all chemical reactions in an organism.
  2. 2It includes pathways that build up and break down molecules.
  3. 3Metabolism is crucial for energy exchange and homeostasis.
  4. 4Catabolism releases energy stored in molecules.
  5. 5Anabolism uses energy to synthesize complex molecules.
Example

In plants, photosynthesis captures light energy to create glucose, while cellular respiration in the mitochondria breaks down glucose for ATP.

Mark as tough Mark as masteredNext
AI-generated content may contain inaccuracies. Verify before use.

One Page Summary – Infographic

One idea. One picture. One glance.

Every Learning Pod turns your notes into cards you can take in within seconds: a single concept, a visual that shows how it works, and a real example.

Biology 101 / Cellular Structure & Energetics.pdfCard 4 of 12

How a cell is built and powered

01. Membrane dynamics

Phospholipid bilayer

Hydrophilic heads face outward while hydrophobic tails form an inner barrier — a selectively permeable membrane with embedded protein channels.

Selective permeability
02. Internal machinery

Organelle network

Membrane-bound structures performing specialised tasks in a coordinated system.

  • NucleusDNA transcription
  • RibosomeProtein synthesis
  • Golgi apparatusPackaging & sorting
03. Cell typology

Plant vs. animal

Cell walls, chloroplasts and centrioles are the structural differences that define each.

  • PlantCell wall + chloroplasts
  • AnimalCentrioles + lysosomes
  • BothNucleus + mitochondria
04. Molecular transport

Passive vs. active cellular transport

How molecules cross the membrane — the energy each route needs, with a real example.

  • Simple diffusion
    No ATP / high → low concentration
    O₂ & CO₂ exchange
  • Facilitated diffusion
    No ATP / via protein channels
    Glucose via GLUT4
  • Active transport
    Requires ATP / against gradient
    Na⁺/K⁺ pump
05. Bioenergetics

Cellular respiration / ATP

Glucose becomes usable energy across three metabolic stages.

GlycolysisKrebsETC
Electron transport chain ~36 ATP
Final energy yield

Mastery Zone — teach back to Ava

Ava will be annoyingly committed to helping you master your own notes.

Not a passive chatbot. Ava guides you through active recall, makes you teach concepts back, and tracks exactly where you stand.

Mastery Zone
Card 1 of 20
Ava is speaking

I will get you to expertise on this pod — but I need you to work with me. You will write or speak, I will tell you where you are, you will be quizzed, and you will teach it back to me.

I’m in. Let’s do this.

Mastery Zone
Card 1 of 20
Explain this one back to me in about ten words. From memory.
How does the mitochondria produce ATP?
Would rather speak?0 / ~10 words

Quiz & active recall

Reading feels familiar. Practice shows what you know.

Use questions and active recall to move from recognition to understanding you can apply.

Cell Structure · Practice Ask Ava

What is the primary function of the cell membrane?

1 of 3

Personalized learning

Your next study session starts with a clearer direction.

Sayak shows you what needs more attention and lines up the next step in your learning journey.

Topic Progress
  • Cell Structure
    72%
  • Membrane Transport
    38%
  • Cell Division
    91%
  • Organelle Functions
    85%
  • Photosynthesis
    55%
Ava’s recommendation

Focus on Membrane Transport next. Your last practice session showed difficulty with active transport mechanisms.

Next Study Session
Active Transport Review
10 min · 8 questions · Membrane Transport
Start session

Study with friends

Learning sticks better together.

Create study groups, challenge your friends to a quiz and climb the weekly leaderboard.

Study group
Bio 101 · finals crew
MAJKPR+2
3 studying now
  • Priya shared the Cell Structure pod
  • Jonah finished a quiz · 9/10
Challenge
You
VS
MAMaya
Cell Structure quiz · 10 questions
You
8/10
Maya
7/10
You win by one
Leaderboard · this week
  1. 1MAMaya1,240
  2. 2JKJonah1,020
  3. 3You1,000
  4. 4PRPriya860

Why Sayak AI

Not just another flashcard app.

FeatureSayak AIFlashcard appsGeneric ChatGPTPaper notes
AI-personalized tutor AvaNoPartialNo
Auto-generated study materialYesManual onlyUnstructuredNo
Adaptive difficultyYesNoNoNo
Spaced repetitionYesYesNoNo
Context-aware teachingYesNoLimitedNo
Progress tracking & analyticsYesBasicNoNo
Multi-format upload PDF, PPTX, DOCXText onlyText pasteHand-written

Swipe the table to compare all four →

Pricing

One simple plan. No confusion, no gimmicks.

Every feature is on every plan. Plans differ only in credits — uploading your notes is always free.

Free

Try Sayak on your own notes.

$0no card needed
  • 60 credits to start, once
  • Smart Cards, with or without AI images
  • Quizzes and AI Revision
  • Infographics
  • Ava, your AI voice tutor (2 credits/min)
  • Mastery Zone
  • Study groups, friends, challenges and leaderboard
Get started

Basic

For studying every week.

$10/ month
  • 150 credits every month
  • Smart Cards, with or without AI images
  • Quizzes and AI Revision
  • Infographics
  • Ava, your AI voice tutor (2 credits/min)
  • Mastery Zone
  • Study groups, friends, challenges and leaderboard
Start here

Top-ups

Extra credits, whenever you need them.

$5/ 50 credits
  • 50 credits for $5
  • 100 credits for $9
  • One-time — no subscription
  • Works with Free or Basic
  • Credits you buy stay
Get started

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Questions before you start?

PDF, PPTX, DOCX, TXT, PNG, JPG, and WEBP. PDFs are limited to 30 pages per upload.

Ready to turn your next study session into a learning journey?

Bring your notes. Meet Ava. Start learning with a clearer next step.

Start learning with Ava

60 free credits · no card needed