POLY vs Memo AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
POLY
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POLY:U:WAY helps you find and navigate to the places you want to go in the University, and provides location-based news and notifications at PolyU campus. Install now and enjoy your visit at PolyU.
Memo AI
This AI-powered study tool transforms PDFs, videos, websites, and notes into flashcards, study guides, and practice tests. It allows users to chat with their documents for grounded answers and review material using active recall and spaced repetition.
- AI-powered flashcard and note generation
- Chat with documents for grounded answers
- AI tutoring and practice tests
- Active recall and spaced repetition review
- Cross-device syncing
- Supports PDFs, videos, websites, and notes
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Memo is the AI study app that turns PDFs, videos, websites, slides, and notes into flashcards, study notes, practice tests, mind maps, and tutoring. Upload your sources, ask questions across them, get grounded answers with citations, and review with active recall and spaced repetition. Instead of juggling separate tools for reading, note-taking, quizzes, and tutoring, keep everything in one workspace. Why people use Memo: - Turn source material into flashcards, notes, summaries, and quizzes in seconds - Chat with your documents and get answers grounded in exact pages or timestamps - Study with AI tutoring, guided walkthroughs, and practice tests built from your material - Review with active recall, spaced repetition, and multiple study modes - Keep everything synced across devices so your study flow stays in one place - Learn across PDFs, videos, websites, lecture slides, textbooks, and text notes Built for learners, educators, researchers, professionals, and teams. Used by 300,000+ learners, educators, researchers, and professionals in 106+ countries. Whether you're preparing for an exam, understanding a dense paper, or turning scattered notes into a clear study system, Memo helps you go from source to mastery faster. Download Memo and make your material easier to understand, review, and remember. Auto-renewable subscription information - Memo Pro monthly and annual subscriptions are available - Payment is charged to your Apple ID account at confirmation of purchase - Subscription renews automatically unless cancelled at least 24 hours before the end of the current period - Manage or cancel your subscription in App Store account settings - Privacy Policy: https://memo.cards/privacy - Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: POLY at none against Memo AI's 4. Memo AI's advantage is update cadence (every 4 days vs every 2 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. Memo AI sells 4 in-app purchases, starting at $8.99 per month. POLY asks for nothing beyond the download.
POLY ships an update every 2 months, Memo AI every 4 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.
| Parameter | POLY | Memo AI |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 2 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 — better | 16.4 |
| Further details — not scored | ||
| Size | 54 MB | 93 MB |
| Age rating | 4+ | 4+ |
| Developer | The Hong Kong Polytechnic University | XonLabs Limited |
In-app purchases
POLY
No in-app purchases
Memo AI
- Pro Monhtly$8.991 Month
- Max Monthly$17.991 Month
- Pro Yearly$85.991 Year
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- Max Yearly$169.991 Year









