Sift

Study smarter, not harder

Structured learning paths, active practice, and spaced repetition — all in one platform built on neuroscience.

Sift transforms scattered content into structured learning paths ✶ with active practice and spaced repetition — because it's how you study ⬤ that separates learning from forgetting. ✨

Sift is not just another course platform — it's a study system.

Built on how your brain actually learns

Every feature is designed around proven learning science — not just content delivery.

12+ activity types that keep you engaged

Smart review that adapts to your memory

Mistakes auto-convert into flashcards

How learning really works

Most platforms stop at step one. Sift guides you through the full cycle — from first contact to lasting knowledge.

Absorb

Watch videos, read articles, and study annotated content.

Practice

Test yourself with quizzes and interactive exercises.

Review

Revisit at the perfect moment, right before you'd forget.

Produce

Apply what you learned by creating something of your own.

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See it in action

One topic, four ways to learn it

Here's what a study session looks like inside Sift.

Transcript

Photosynthesis is the process by which green plants convert light energy into chemical energy.

Plants absorb carbon dioxide from the air and water from the soil to produce glucose and oxygen.

This process takes place primarily in the leaves, within cell structures called chloroplasts.

Every session counts

Build streaks, earn flow points, and level up as you learn. Consistency becomes visible growth.

day streak

47h

studied

tracks done

Advanced

5,240 flow points

1.5x multiplier

12-day streak

Less

Frequently asked questions

Everything you need to know about Sift and how it works.

Sift is a structured learning platform where you follow curated study tracks on any subject. Each track is a sequence of steps — videos, readings, quizzes, flashcards — designed to take you from zero to competent, at your own pace.

Sift uses the FSRS algorithm to schedule reviews at the optimal moment before you forget. As you study, flashcards are automatically surfaced for review based on your personal memory patterns — so you retain more with less effort.

Yes. With the Path Builder, you can create tracks from scratch or generate them from YouTube videos using AI. You choose the structure, templates, and content — Sift handles the formatting and delivery.

Absolutely. Sift includes specialized templates like Sentence Mining, Word Bank Translation, and Listening Practice — all built around real-world content. Combined with spaced repetition, it's designed for deep vocabulary acquisition.

Yes. Sift offers a free tier with access to study tracks, flashcards, and progress tracking. Paid plans unlock AI-powered path generation, higher limits, and advanced features.

Traditional platforms give you a video library. Sift gives you a structured path with varied step types, built-in review cycles, and progress tracking — so you actually finish what you start and remember what you learned.

Yes. You can browse and follow tracks created by the community. You can also adopt shared flashcard decks into your own collection and contribute improvements to existing tracks.

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Free to use. No credit card required.

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