Koru vs CertAI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Koru
This app helps you learn from digital content by saving web pages, PDFs, and recordings. It transforms your saved material into interactive quizzes, flashcards, and guided lessons, making information retention easier for students and professionals.
- Save web pages, videos, PDFs, audio, and text
- Record and process lectures/meetings
- Generate interactive quizzes
- Create flashcards
- Guided lessons with 'Doomscroll' feature
- AI assistant for content questions
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Koru transforms how you capture, organize, and learn from digital content. Save anything from the web, PDFs, lecture recordings, meeting notes, YouTube videos, and text with our seamless share extension. Then watch as your content becomes an interactive learning experience. With Koru, turn any saved content into personalized quizzes, flashcards, and guided lessons. Record important lectures or meetings and let Koru help you extract key insights and create study materials automatically. Key features: • Save web pages, YouTube videos, PDFs, audio, and text with one tap • Record and process lectures and meetings for better retention • Organize everything in your personal library • Generate interactive quizzes to test your knowledge • Create flashcards for effective study sessions • Experience guided lessons with our "Doomscroll" feature • Ask questions about your content with the built-in AI assistant Whether you're a student, professional, or lifelong learner, Koru helps you not just collect information, but truly understand and retain it. Transform the way you learn today. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
CertAI
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CertAI is the multi-certification AI study platform built for serious IT professionals. Prepare for AWS Solutions Architect, AWS Developer, Azure AZ-900, and CompTIA Security+ — all in one app. WHY CERTAI WORKS AI Socratic Tutor Don't just memorize — understand. Our AI tutor uses the Socratic method to guide you to answers through questions, building deep comprehension that sticks on exam day. Pass Probability Prediction Know exactly where you stand. CertAI analyzes your study data in real time and predicts your pass probability with domain-by-domain breakdowns. No more guessing. SM-2 Spaced Repetition Study smarter, not harder. Our scientifically-proven algorithm schedules reviews right before you forget, converting short-term memory into long-term mastery. Realistic Mock Exams Practice under real exam conditions — 65 questions, 130-minute timer, scored to the same standard as the actual test. Domain-level performance analysis included. CERTIFICATIONS SUPPORTED - AWS Solutions Architect Associate (SAA-C03) - AWS Developer Associate (DVA-C02) - Microsoft Azure Fundamentals (AZ-900) - CompTIA Security+ (SY0-701) More certifications coming soon. FREE FEATURES - Quiz practice with spaced repetition - 3 AI tutor questions per day - Progress tracking and study streaks - Pass probability prediction PRO FEATURES - Unlimited AI tutor conversations - Full question bank access (450+ questions) - Unlimited mock exams with detailed reports - AI Wrong Answer Analysis - Personalized AI Study Plan - Custom study reminders - Pass Guarantee PASS GUARANTEE Study with CertAI Pro for 30 days and don't pass? We'll extend your subscription free until you do. That's how confident we are in our system. PRICING - Monthly: $14.99/month - Yearly: $79.99/year (save 55%) - 3-day free trial on all plans Download CertAI today and start your certification journey with AI. Privacy Policy: https://www.junsoft.org Terms of Use: https://www.junsoft.org
Screenshots
Verdict
The clearest difference is update cadence: Koru at daily against CertAI's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Koru sells 1 in-app purchase, starting at $5.99 per month and CertAI sells 2 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.
Koru ships an update daily, CertAI every 3 weeks. The most recent releases landed on November 5, 2026 and November 13, 2026 respectively.
| Parameter | Koru | CertAI |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Daily — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 11 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Divij Khanna | JunSoft Mobile Inc. |
In-app purchases
Koru
- Koru Pro Monthly$5.991 Month
CertAI
- CertAI Pro Monthly3 Days trial$19.991 Month
- CertAI Pro Yearly3 Days trial$140.991 Year









