MemSurf vs Dattavani
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/
Dattavani
This app introduces children to Indic wisdom through stories, daily lessons, and AI-powered conversations. It focuses on values, dharma, and classic tales in a playful, age-appropriate format.
- AI-powered conversations with 'Tataji'
- Daily learning chapters
- Character-based story time
- Learning reinforcement quizzes
- Gamified rewards (coins, badges)
- Parent-managed profiles
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Dattavani helps children explore timeless Indic wisdom through stories, daily lessons, quizzes, and guided conversations with Ask Tataji. Designed for families who want a joyful, age-appropriate way to introduce children to values, dharma, devotion, and classic stories, Dattavani brings learning into a playful daily routine. Children can: - Ask Tataji questions and receive simple, thoughtful answers - Read short Daily Learning chapters from curated spiritual and cultural texts - Enjoy Story Time with character-based stories from the Indic tradition - Take quizzes to reinforce learning - Earn wisdom coins, badges, streaks, and progress rewards - Switch between child profiles in a parent-managed account The app is built around three daily learning paths: Ask Tataji, Daily Learning, and Story Time. Each path encourages children to learn a little every day while keeping the experience calm, fun, and easy to follow. Dattavani is created for children and families, with content presented in simple English and designed to support reflection, curiosity, and positive values.
Screenshots
Verdict
The clearest difference is in-app purchases: Dattavani at none against MemSurf's 7. Dattavani also leads on ads (none vs shown) and rating (5.0 vs 4.7). MemSurf's advantage is update cadence (every 8 days vs every 2 months). On price, review sentiment, ratings volume and monetization model 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. Dattavani asks for nothing beyond the download.
Dattavani holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
MemSurf ships an update every 8 days, Dattavani every 2 months. The most recent releases landed on October 2, 2026 and October 18, 2026 respectively.
| Parameter | MemSurf | Dattavani |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 3 | 4 — better |
| Update frequency | Every 8 days — better | Every 2 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone | iPhone |
| Requires iOS | 26 | 16.4 — better |
| Further details — not scored | ||
| Size | 237 MB | 124 MB |
| Age rating | 4+ | 4+ |
| Developer | Sehajroop Singh | Dattavani |
Customer experience
MemSurf
Dattavani
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
Dattavani
No in-app purchases









