Learn Once, Remember Longer
Turn books, PDFs, and topics into personalized quizzes. Refresher AI helps you actively recall key ideas so what you learn actually sticks.
10k+
Active Learners
500k+
Quizzes Taken
92%
Avg. Retention
Everything You Need for Long-Term Retention
Purpose-built tools that turn passive reading into active recall.
Add Any Source
Import books, upload PDFs, or select topics you want to master.
AI-Generated Quizzes
Generate focused questions from your exact material in seconds.
Track Progress
See your score trends and improve weak spots with clear feedback.
Spaced Repetition
Revisit hard questions at the right time to lock in long-term memory.
How It Works
Start in minutes and build daily momentum.
Add Your Content
Search for books, upload a PDF, or start from a curated topic.
Generate Quizzes
AI analyzes your source and creates context-aware multiple-choice questions.
Retain More
Practice daily, review mistakes, and build durable knowledge over time.
Loved by Learners
Real users, measurable learning gains.
“This is my go-to tool for exam prep. I finally retain details instead of rereading the same chapters.”
Astrik S.
Risk Manager at Vanguard
“I use it to keep technical topics fresh across projects. The generated questions are practical and sharp.”
Armen N.
Senior Engineer at EPAM
“It feels like a personal coach for memory. Reading is no longer passive, and recall is much faster.”
Jakub H.
Self-Employed Consultant
Simple Pay-as-You-Go Pricing
Buy credits when you need them. No subscription and no lock-in.
Starter
Quick start credit pack
- 50 credits included
- 1 credit = 1 quiz question
- Unlimited books and PDFs
- No subscription required
Growth
Best value for regular learners
- 300 credits included
- 1 credit = 1 quiz question
- Unlimited books and PDFs
- No subscription lock-in
- Lower cost per question
Scale
For power users and deep study
- 1000 credits included
- 1 credit = 1 quiz question
- Unlimited books and PDFs
- No subscription lock-in
- Best long-term value
Frequently Asked Questions
Quick answers before you start.
Refresher AI analyzes your uploaded material or selected topic and builds targeted multiple-choice questions around key concepts and details.
Ready to Supercharge Your Learning?
Join learners who are retaining more from every book, PDF, and topic.
Get Started for Free