Personalized learning for busy schedules

30-90 second lessons that adapt after every answer.

Built for your pace, your gaps, your schedule.

Personalized micro-lessons and quick quizzes built from your goals or your materials. Fast, focused, and designed to stick.

No credit card.No account required.Privacy-first.No camera/mic.Syncs across devices.
Trust-first personalization

Based only on learning interactions. No camera or microphone. Cancel anytime.

Built on retrieval practice + adaptive sequencing.

Try -> Win -> Continue60-second lesson, instant feedback, then keep the streak going.
Format
Pace
Time

Based only on learning interactions. No camera or microphone.

Biology/ Cell transportPersonalized for you

Why osmosis moves water

Deeper dive when sharp.
Osmosis moves water toward higher solute concentration through a semipermeable membrane.
  • Water shifts toward the higher solute side.
  • Solutes stay put while water equalizes.
  • Cells use this to stabilize volume fast.

Stops wasting time

Skips what you know. Targets the gaps.

Frustration-aware pacing

Detects struggle and adjusts so you keep momentum.

Makes it stick

Instant feedback + adaptive sequencing.

See it in action

A lesson preview and quick quiz that update as you learn.

Chemistry/ Acids and BasesPersonalized for you

Neutralization in everyday life

Acids and bases balance each other when they meet. Neutralization shows up in baking, cleaning, and biology.
  • Acids donate H+.
  • Bases accept H+.
  • Neutralization moves pH toward neutral.
Which product is a base that reduces acidity in baking?
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Try a sample lesson

Generate up to 3 lessons without signup. Same engine, same interface.

Generate a Micro-Lesson

Tip: Keep it 2 short paragraphs for best results.53 chars
3 free lessons leftCreate free account
Paste a concept or definition to turn it into a short lesson with a quick quiz. Great inputs:
  • Key theorem statements or laws
  • Definitions of core terms
  • Short excerpts from notes or textbooks

How it works

Three simple steps that keep learning short, personal, and consistent.

1

Pick a goal or paste material

Bring a topic, notes, or slides. Lernex shapes them into a focused plan.

2

Lernex builds your Learning DNA

A lightweight map of strengths, gaps, and preferences that updates with every answer.

3

Learn in micro-sessions with adaptive quizzes

Lessons stay short, quizzes stay sharp, and the path keeps moving.

Personalization without the privacy tradeoffs.

Based only on learning interactions. No camera or microphone.

  • Based only on learning interactions. No camera or microphone.
  • You control format and pacing.
  • Privacy-first by design.

Start with a 60-second lesson.

Clean, adaptive lessons that stay aligned with your pace.

No credit card required.

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