knowLedge vs Hey Memora
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
knowLedge
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knowLedge knowLedge is a learning tool which helps you in improving your knowledge in the easiest possible way. All you have to do is start playing and answer the questions. Choose the answers from the choices and the app will respond whether it is the right answer. If it is not, it educates you the right answer. The app will keep asking you the question at the right interval until you are familiar with that. It also increases the complexity as you progress until you completely master it. You can track overall progress at any time in app and today's progress in widget. As of now, the app covers general knowledge about the USA.
Hey Memora
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Turn the materials you already have into flashcards you’ll actually review. Hey Memora helps you go from PDFs, notes, links, and images to study sessions—then uses spaced repetition so you come back to cards at the right time. Less time building decks. More time remembering what you studied. HOW IT WORKS 1. Bring a PDF, note, link, or image 2. Generate flashcards you can edit 3. Review one card at a time—think first, then reveal 4. Track reviews and build a rhythm that fits your week BUILT FOR REAL STUDY LOADS • Create cards from your own materials • Active recall, not passive rereading • Study offline—your cards stay on your device • Organize decks by subject and return to what’s due • See progress from your review history—no pressure, no guilt PLANS • Free: 20 AI-generated cards per day, text input • Pro: 200 cards per day, all input types (text, URL, PDF, image), unlimited decks • Premium: Unlimited cards, all features, priority support Hey Memora is for students preparing for exams and anyone sitting on a pile of PDFs and notes who needs a clearer path to review. Privacy Policy: https://heymemora.app/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: knowLedge at none against Hey Memora's 2. Hey Memora's advantage is update cadence (every 3 weeks vs every 85 months). On price, ads, device support and iOS requirement 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. Hey Memora sells 2 in-app purchases, starting at $4.99 per month. knowLedge asks for nothing beyond the download.
knowLedge ships an update every 85 months, Hey Memora every 3 weeks. The most recent releases landed on October 26, 2026 and October 22, 2026 respectively.
| Parameter | knowLedge | Hey Memora |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 85 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 28 MB | 62 MB |
| Age rating | 4+ | 4+ |
| Developer | Mallow Technologies Private Limited | Lucas Oliveira |
In-app purchases
knowLedge
No in-app purchases
Hey Memora
- Memora Pro$4.991 Month
- Memora Pro$39.991 Year









