NumMemorize vs GapLearn
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NumMemorize
This app helps users memorize digits of mathematical constants like pi and e through quizzes. It also allows users to input and memorize their own custom numbers, and offers voice input for convenience.
- Memorize digits of pi, e, and other constants
- Quiz yourself on number recall
- Input and memorize custom numbers
- Voice input for number entry
- Practice for math and science students
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NumMemorize quizzes you on the digits of well-known constants (such as π, e, √2), and will help you memorize additional digits. This app is a must-have for math and science students, and those wishing to impress teachers, friends and family, or fellow nerds! What party won't be livened up with a 20 digit recall of ϕ (the Golden ratio)? Imagine walking up to the blackboard and writing out √2 to 30, 40, or more digits! Say you're being hustled at a game of pool. Easy, bet your opponent, double or nothing, that you can recount pi to 30, no, even better, 50 digits. Let those other kids fill their heads with useless sports stats. These numbers are timeless and universal! Who knows who you'll impress - armed with this knowledge, you'll probably marry a smarter and better looking spouse, have a better job and live happily ever after! NEW! Now enter your own numbers! You can enter any numbers you'd like: drivers license, card numbers, phone numbers and your own favorite constants and values. Go ahead, enter 99! NEW! You can now just speak your number instead of tapping it in! NumMemorize makes it easy to memorize any number! (99! is 933262154439441526816992388562667004907159682643816214685929638952175999932299156089414639761565182862536979208272237582511852109168640000000000000000000000)
GapLearn
This app transforms idle moments into learning opportunities with AI-generated knowledge cards. Its swipe-to-learn interface makes acquiring new insights effortless and personalized, building a personal vault of saved facts.
- AI-generated content
- Micro-learning cards
- Swipe-to-learn interface
- Personalized content
- Knowledge vault
- Diverse categories
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STOP SCROLLING, START GROWING. Transform your idle minutes into powerful insights with GapLearn, the AI-driven micro-learning app designed for busy lives. Whether you're waiting for coffee, commuting, or standing in line, bridge your knowledge gaps in just 60 seconds. WHY GAPLEARN? 1. MICRO-LEARNING FOR BUSY MINDS Forget long courses or dense articles. GapLearn breaks down complex topics into bite-sized knowledge cards. Expand your horizons without the burnout. 2. ADDICTIVE SWIPE-TO-LEARN EXPERIENCE Learning should be as effortless as social media. SWIPE RIGHT to save insights to your personal collection. SWIPE LEFT to skip and keep the flow going. Our intuitive, gesture-based interface makes growth feel like play. 3. AI-POWERED PERSONALIZATION No more generic content. Tell us what you are curious about, and our advanced AI generates custom knowledge cards tailored to you. From Psychology Hacks to Space Exploration, GapLearn evolves with your curiosity. 4. EXPLORE A UNIVERSE OF KNOWLEDGE Dive deep into diverse categories including Natural Sciences like Astronomy and Physics, Humanities like History and Philosophy, and Tech and Growth topics like AI and Personal Finance. 5. BUILD YOUR PERSONAL VAULT Watch your wisdom grow. Every swiped-right card is stored in your personal library, making it easy to review and reinforce your learning anytime. CORE FEATURES AT A GLANCE: 1. AI-GENERATED CONTENT: Get unique, fresh insights every single day. 2. MINIMALIST UI: Clean, distraction-free design focused on readability. 3. PERSONAL ENCYCLOPEDIA: Save and organize your favorite facts. 4. DAILY GROWTH: Track your progress and fill your gaps with wisdom. MAKE EVERY MINUTE COUNT. Stop wasting your gaps. Start filling them with wisdom. Download GapLearn today and start your journey of effortless, daily growth. ---------------------------------------------------------------- Upgrade to GapLearn Premium for unlimited reading, follow unlimited topics, and access exclusive content. • Plans: Weekly, Monthly, 3-Month. • Auto-Renewal: Subscription automatically renews at the same price unless canceled in App Store Settings at least 24 hours before the end of the current period. Payment will be charged to your iTunes Account. Privacy Policy: https://magazine-1252396323.cos.ap-chengdu.myqcloud.com/gapLearn/privacy.html Terms of Use: https://magazine-1252396323.cos.ap-chengdu.myqcloud.com/gapLearn/terms.html
Screenshots
Verdict
The clearest difference is update cadence: GapLearn at every 3 days against NumMemorize's every 4 months. NumMemorize's advantage is iOS requirement (9.0 vs 13.0). 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for NumMemorize against 5.0 for GapLearn. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
NumMemorize ships an update every 4 months, GapLearn every 3 days. The most recent releases landed on September 28, 2026 and October 2, 2026 respectively.
| Parameter | NumMemorize | GapLearn |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 4 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 3 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Mahboud Zabetian | 星昱 曹 |
Customer experience
NumMemorize
GapLearn
In-app purchases
NumMemorize
No in-app purchases
GapLearn
No in-app purchases









