MemSurf vs Whet
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MemSurf
This app transforms your collected notes into personalized lessons and daily exercises to enhance knowledge retention. It adapts to your learning speed and goals, helping you build long-term understanding and recall.
- Bespoke lessons from your notes
- Short daily exercises
- Science-based spaced repetition
- Personalized learning goals
- Sprint and deadline modes
- Habit-building streaks
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Every chapter of your life needs its own way of learning — your hobbies, your career, school, the things you must remember, and the things you simply want to. HOW MEMSURF ADAPTS TO YOU Every quiz and lesson adapts — to the type of content you're studying, how you're actually performing, and the learning goal you've set. Review timing adjusts automatically. No two study sessions look the same, because no two people (or days) are the same. THE LEARNING LADDER Real learning isn't one pass through a deck. MemSurf moves you through four stages — Expose, Differentiate, Recall, Apply. That means: see the new information, tell it apart, recall it cold, then use it in a practical way. PICK YOUR GOAL Different situations need different learning modes and scheduling: - Keep Fresh — gentle upkeep so you never fully forget - Sprint Mode — fast memorization when time is short - Deadline Mode — build toward a specific date, like an exam, a date or a big presentation - Occasional Review — light touches, no pressure SEE YOUR GAPS. WATCH YOUR KNOWLEDGE TREE GROW. MemSurf identifies your knowledge gaps, tracks them over time, and recommends exactly what to review next. As each gap disappears, your knowledge tree grows and you become a better, more knowledgeable version of yourself. LESS FRICTION THAN ANKI. MORE STRUCTURE THAN QUIZLET. No deck design, no card templates, no manual spaced-repetition math. Send in what you want to learn — a PDF, an online article, a voicenote, a screenshot — and MemSurf builds the lesson and the review schedule for you. BUILT TO OUTLAST SCHOOL Students graduate. Curiosity doesn't. MemSurf is for lifelong learners, professionals keeping skills sharp, parents who want to stay close to what their kids are learning — and yes, students too, because every student eventually becomes one of the other three. The habit you build now is the one you'll still have in ten years. Send it in. Show up daily. We take care of the rest. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Whet
This app offers daily 5-minute AI-generated lessons on any topic, from finance to cooking. It uses spaced repetition and visual mapping to help users learn and retain information effectively. Track your progress with a curiosity score and build a daily learning habit.
- AI-generated lessons
- 5-minute learning sessions
- Guided learning paths
- Spaced repetition for memory
- Visual knowledge mapping
- Progress tracking
- Customizable difficulty
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Whet is a 5-minute learning app for curious minds. Point your camera at anything - a plant, a landmark, a wine label - and get a 5-minute lesson about it. Plus quick AI-powered lessons, daily quizzes, guided paths, and memory review across psychology, finance, science, health, technology, philosophy, cooking, communication, and more. HOW WHET WORKS • Point & Whet: learn from the real world See something you're curious about? Point your camera at it - a plant, a bridge, a museum plaque, class notes - and get a 5-minute lesson on the spot. • Learn in 5 minutes Get bite-sized lessons with clear explanations, examples, analogies, and key terms. • Take the Daily Whet One quick quiz every day on a shared topic. Build your streak, test your knowledge, and compare your score. • Explore any topic Pick what you're curious about or let Whet suggest something new. • Follow Guided Paths Move through topics step by step, from first exposure to deeper understanding. • Remember what you learn Memory Pulse uses spaced repetition to bring back the right questions at the right time. • Track your progress See your Curiosity Score, streaks, levels, and learning history grow over time. YOUR BRAIN, MAPPED Whet Map gives you a visual picture of what you've learned, how topics connect, and what to explore next. FREE TO START • Daily Whet is free • 2 camera scans per day are free • 3 lessons per day are free • Explore 20+ curated topics across 15 categories • Access Whet Map and Memory Pulse TOPICS INCLUDE Finance, psychology, science, philosophy, technology, history, health, business, art, music, cooking, writing, communication, neuroscience, productivity, and more. Sharpen your mind in 5 minutes a day. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ads: Whet at none against MemSurf's shown. Whet also leads on device support (3 vs 1) and iOS requirement (15.1 vs 26). On price, rating, review sentiment and ratings volume 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. MemSurf sells 7 in-app purchases, starting at $9.99 per month and Whet sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.7 for MemSurf against 4.8 for Whet. Both are backed by a comparable volume of ratings — 3 and 6 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
MemSurf ships an update every 8 days, Whet weekly. The most recent releases landed on October 2, 2026 and September 26, 2026 respectively.
| Parameter | MemSurf | Whet |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3 ratings) | 4.8 (6 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 3 | 6 — better |
| Update frequency | Every 8 days | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 26 | 15.1 — better |
| Further details — not scored | ||
| Size | 237 MB | 52 MB |
| Age rating | 4+ | 12+ |
| Developer | Sehajroop Singh | Niket Kalgaonkar |
Customer experience
MemSurf
Whet
In-app purchases
MemSurf
- Pro Monthly$9.991 Month
- Pro Yearly$95.991 Year
- Tiny Boost$0.99
- AI Credits Small Boost$2.99
- Purchase Gems$4.99
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- AI Credits Medium Boost$6.99
- AI Credits Heavy Boost$12.99
Whet
- Whet Pro$9.991 Month
- Whet Pro$59.991 Year









