Comparison

Kero vs Learn Fast

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Kero

Features
Read full description

Kero is an AI study app that turns PDFs, lectures, YouTube videos, websites, and notes into clear study notes, quizzes, flashcards, and exam practice. Study faster with everything in one place: - Upload PDFs, documents, websites, YouTube links, or pasted text - Turn messy course material into clean study notes - Chat with your notes and ask follow-up questions - Generate flashcards, quizzes, fill-in-the-blank drills, and exam practice - Get step-by-step explanations for homework and hard concepts - Check writing for AI signals before submitting essays - Organize notes by class, course, or folder - Build a study plan for exams, homework, and review Whether you are cramming for a test, reviewing a lecture, catching up on class notes, or trying to understand a difficult topic, Kero helps you turn your own material into an active study session. Use Kero for school, college, exam prep, homework help, lecture review, PDF summaries, flashcards, quizzes, and smarter study sessions. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://studioray.co/privacy

About

Learn Fast

Features
Read full description

Learn Fast turns your lectures, PDFs and recordings into ready-to-learn study sets — in seconds, not hours. Scan a textbook page with your camera, drop in a chapter PDF, record the lecture, or paste your own notes — and watch it become a clean set of structured notes, smart flashcards, and an auto-built quiz. No more retyping. No more making cards at 1am the night before the exam. And every month, your first 3 study sets are on us — the full version: complete notes, 12 flashcards, a 10-question quiz and a study map, generated from your own course. WHAT YOU CAN DO • Import any source — scan pages with your camera, PDF chapters, lecture recordings, audio files, articles, your own typed notes • Get clean, structured study notes — the key concepts pulled out and explained • Review with adaptive flashcards — your mastery is tracked card by card • Test yourself with auto-generated quizzes built from your exact material • Drill your Mistake Bank — the questions you keep getting wrong, surfaced for a targeted retry • Visualise a chapter with the built-in mind map view • Organise everything in folders by subject, semester, or exam MADE TO MAKE IT STICK • Today's session: a short daily deck of the cards you're about to forget • Cards you miss come back until you truly own them • A daily reminder at the time you choose • Keep your study streak alive, day after day DESIGNED THE WAY YOU ACTUALLY STUDY • Built for iPhone — fast, beautiful, native • Available in English, French, Spanish and Portuguese — real localisation, not literal translation • Study material stays anchored in your source — no generic AI filler • One upload, three formats: notes, flashcards and quiz from the same material • "+5 more" cards or questions on demand when you want a fresh angle WHO IT'S FOR • University students cramming for finals • Med, law, and engineering students with a wall of PDFs • Professional learners studying for certifications • Anyone preparing for a competitive or licensing exam HOW IT WORKS 1. Drop in your source — camera scan, PDF, audio, or text 2. We turn it into notes, flashcards and a quiz in under 2 minutes 3. Open the app whenever you have 5 minutes to revise 3 FREE SETS EVERY MONTH + 3-DAY TRIAL Every month, your first 3 full study sets are free. Go further with Learn Fast Plus — unlimited imports, with a 3-day free trial on the yearly plan. Subscriptions renew automatically and can be managed or cancelled at any time in your App Store account settings. PRIVACY Your study material is yours. We don't sell your data and we don't train public models on it. Full policy in the app. GOT FEEDBACK? Tell us directly from the app (Settings → Contact us) — we read every message and ship fixes fast. Terms of Use: https://learn-fast.rocketcode.app/terms/ Privacy Policy: https://learn-fast.rocketcode.app/privacy/

Screenshots

Kero4 screens
Learn Fast4 screens

Verdict

The call

The clearest difference is iOS requirement: Kero at 16.4 against Learn Fast's 26.2. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Kero sells 3 in-app purchases, starting at $9.99 per 7 days and Learn Fast sells 3 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference Ā· 5 level
Kero versus Learn Fast: the parameters behind the verdict, then further details
ParameterKeroLearn Fast
PriceFreeFree
Update frequency—Every 9 days
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone
Requires iOS16.4 — better26.2
Further details — not scored
Size159 MB21 MB
Age rating4+4+
DeveloperStudio Ray Inc.Antoine Conan

In-app purchases

3 purchases

Kero

Subscriptions3
  • Kero Pro Weekly$9.997 Days
  • Kero Pro Yearly Offer3 Days trial$79.991 Year
  • Kero Pro Yearly3 Days trial$99.991 Year
3 purchases

Learn Fast

Subscriptions3
  • Learn Fast Weekly Pro$5.997 Days
  • Smart Learn Monthly Pro$12.991 Month
  • Smart Learn Yearly Pro3 Days trial$49.991 Year

Questions

Is Kero free?
Kero is free to download, with in-app purchases available.
Is Learn Fast free?
Learn Fast is free to download, with in-app purchases available.
Do Kero or Learn Fast have ads?
Neither Kero nor Learn Fast shows ads.

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