ReRead vs Unfog
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
ReRead
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ReRead β Study Smarter with Active Recall Most study apps help you read more. ReRead helps you remember better. ReRead is an AI-powered study app designed around active recall, the most effective way to learn and retain information. Instead of passively rereading notes or PDFs, ReRead helps you actively rebuild knowledge so it actually sticks. ReRead transforms your notes, textbooks, PDFs, and articles into an active learning workspace. You practice recalling answers, filling in missing ideas, and reconstructing concepts using mind maps and structured tables. This approach strengthens memory, improves understanding, and reduces forgettingβespecially for exam preparation and complex subjects. At the core of ReRead is Lyra, your AI study assistant that works directly on your own content. You can ask questions across your PDFs and notes, explore connections between topics, and get answers grounded in your personal library rather than generic web results. This makes studying faster, clearer, and far more relevant. ReRead also helps you study more efficiently. You can convert PDFs and articles into high-quality audio for revision, generate visual mind maps to understand complex topics, and focus using distraction-free study sessions. Whether you are revising for exams, learning a new subject, or organizing deep research, ReRead adapts to how you think. Unlike traditional study or note-taking apps, ReRead measures real learning, not just time spent. You can track recall accuracy, consistency, and topic mastery to see what you truly understand and what needs revision. This makes ReRead ideal for students, exam aspirants, and lifelong learners who want clarity under pressureβnot just more notes. ReRead is built for people who want to study smarter, remember longer, and think deeper using proven learning science and AI-powered tools. Terms of Use: https://rereadly.com/terms Privacy Policy: https://rereadly.com/privacy
Unfog
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Stop rereading the same chapter and hoping it sticks. Unfog turns lectures, PDFs, and videos into real understanding β you explain in your own words, and the app shows exactly what still needs work. The Feynman method, built for your phone: add material, explain it simply (as if to a friend), get honest feedback on gaps, then revise with quizzes, flashcards, and mind maps. WHAT YOU GET βΈ Learn by explaining β voice or typed answers βΈ Honest gap feedback β strengths and weak spots, so revision stays focused βΈ Smart notes β clear summaries from your source material βΈ Quizzes and flashcards β generated from your topic, in your language βΈ Mind maps β see how ideas connect at a glance βΈ Many sources, one place β PDFs, scans, recordings, YouTube, links, pasted text βΈ Shared study spaces β revise with others, like a group session before exams βΈ Built for real sessions β mobile-first, dark mode, English and Polish HOW IT WORKS 1. Add material β a chapter, lecture, or lesson 2. Read smart notes to get oriented 3. Explain it simply, as if to a friend 4. Identify gaps and retry until it sticks 5. Revise with quizzes, flashcards, and mind maps Whether you are preparing for exams, learning a new skill, or revising after a meeting, the loop stays simple: capture β explain β fix gaps β revise. Unfog Pro unlocks full access to study features. Download Unfog and find out whether you truly understand what you just read. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is device support: ReRead at 3 against Unfog's 1. ReRead also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. ReRead sells 1 in-app purchase, starting at $9.99 per month and Unfog sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.
ReRead ships an update every 4 days, Unfog every 2 days. The most recent releases landed on September 14, 2026 and September 13, 2026 respectively.
| Parameter | ReRead | Unfog |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days | Every 2 days β better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod β better | iPhone |
| Requires iOS | 15.1 β better | 17.0 |
| Further details β not scored | ||
| Size | 78 MB | 80 MB |
| Age rating | 4+ | 4+ |
| Developer | Sartaj Sivia | BITSEC SP. Z O.O. |
In-app purchases
ReRead
- ReRead Max$9.991 Month
Unfog
- Unfog weekly$2.997 Days
- Unfog Monthly1 Month trial$17.991 Month
- Unfog Annual1 Year trial$29.991 Year









