The learning companion that turns any textbook page into a
summary and quiz — in seconds.
Dense paragraphs overwhelm students before they even begin reading.
Reading alone doesn't create memory. Without active recall, knowledge fades within 24 hours.
Students don't know what they've actually understood until the exam — too late to fix it.
Open Zerano, take a photo of any textbook page with your phone camera.
GPT-4o reads the page and produces 5–7 clear bullet points — the key ideas, nothing more.
3–15 multiple-choice questions test real comprehension. Explanations show why each answer is right.
Correct answers earn points and build streaks. Weak concepts are flagged for review.
Works with any printed textbook. Multi-page scans combine content from up to 3 pages.
Configurable detail level (Basic / Medium / High). Outputs in the original language or any language the student prefers.
Every concept is scored. "Review weak concepts" button re-quizzes what hasn't been mastered yet.
Easy on the eyes for evening study sessions. Preference saved automatically.
Last 10 summaries cached locally. Students can review on the bus, no internet needed.
Achievement cards captured as images and shared with parents via native share sheet.
Zerano applies the same psychology used by the world's most engaging apps — points, streaks, levels, and mastery — to make studying genuinely rewarding.
daily sessions
goal
day streak
milestone
mastery threshold before a concept is considered "learned"
Zerano automatically detects the subject from the scanned page and colour-codes it for easy organisation.
No chat, no public profiles, no strangers. Pure learning.
Simple 6-digit OTP. No passwords to forget, no third-party SSO required.
Kids can send achievement cards to parents to celebrate progress.
Zerano turns passive screen time into
active, measurable learning — giving parents
visibility into what their child is studying and how well they understand it.
Always free — no card required
Perfect for active students
State-of-the-art vision model reads any textbook layout
Mobile-first — works on any phone with a camera
From scan to summary — faster than opening a browser
Available on the App Store.
Free to try. No credit card required.