Comparison

Memory Master vs Keepthat

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Memory Master

Features
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Memory Master - Memory Booster: Unlock Your Cognitive Potential! Have you ever been amazed by those with "photographic memory"? The "Memory Booster" App is meticulously crafted as your ultimate cognitive training companion! We blend effective memory strategies with engaging exercises, empowering you to sharpen your memory skills and boost your mental agility in a relaxed and enjoyable atmosphere! Featured Modules for Targeted Enhancement: Below is a detailed introduction to our core training modules, designed to help you elevate your memory across various dimensions: Flash Memory Focus: Short-term memory span, instant recall, visual memory. This challenge effectively trains your ability to quickly grasp and process large amounts of information, much like a photographer's shutter precisely capturing a scene. Consistent training can help enhance your capacity to rapidly remember and recall details in daily life. Number Path Focus: Numerical memory, sequence recall, logical memory. These exercises train your short-term and long-term number retention, and importantly, strengthen your working memory—the capacity to temporarily hold and manipulate information while actively processing it. This can be highly useful for remembering phone numbers, complex passwords, or various lists. Character Bounce Focus: Textual memory, semantic recall, information encoding. Training Method: You are challenged to recall and tap letters in the order they flash. This module specifically hones your efficient encoding and decoding of textual information, along with improving your language memory fluency. Match Play Focus: Spatial memory, pairing, focused attention, interference resistance. Training Method: In this classic matching exercise, you score points by flipping two identical cards within a time limit until all pairs are matched. This vigorously trains your spatial memory to recall pattern locations, while demanding high concentration to filter out distractions and quickly find matches. It's very valuable for remembering layouts, routes, or object placements. Color Bounce Focus: Color recognition, visual detail memory, attention span. Training Method: A series of changing color sequences are presented, and you are asked to tap them in memory order. This module specifically trains your color recognition and memory abilities, enhancing your sensitivity to visual details. It helps you hone your ability to more accurately recall and differentiate various colors—a great asset for designers, artists, or any profession requiring keen visual discernment.

About

Keepthat

Features
Read full description

Stop forgetting what you read. Paste any article or URL — AI extracts the key facts and quizzes you so you actually remember. You consume hours of content every week — articles, videos, newsletters — but how much do you actually retain? Research shows we forget 70% of new information within 24 hours. Keepthat is built to beat the forgetting curve. HOW IT WORKS 1. Capture — Paste a link or text from any source 2. Extract — AI identifies key facts instantly 3. Quiz — Test yourself with AI-generated questions 4. Remember — Spaced repetition locks facts into long-term memory WORKS WITH ANYTHING YOU READ OR WATCH • Articles and blog posts • YouTube videos • Newsletters and emails • Book passages and highlights • Lecture notes • Any text you paste AI-POWERED FACT EXTRACTION No manual note-taking required. Share a link or paste text, and Keepthat reads the content, identifies the most important facts, and organizes them by topic. Your personal knowledge base builds itself. QUIZZES THAT ADAPT TO YOU True/false, multiple choice, and fill-in-the-blank — AI generates varied questions to test real understanding, not just recognition. The SM-2 spaced repetition algorithm schedules reviews right before you'd forget, so every minute you study counts. TRACK YOUR PROGRESS • Daily streaks to keep you consistent • Accuracy stats across all topics • Memory strength indicator for each fact • Weekly activity heatmap • Knowledge breakdown by topic • Weak spots highlighted for targeted review ORGANIZE YOUR KNOWLEDGE • Create unlimited custom topics • Favorite important facts • Archive mastered material • Search your entire knowledge base SHARE EXTENSION Send content to Keepthat directly from Safari, YouTube, or any app using the iOS share sheet. No copy-pasting needed. FREE TO START • 3 AI extractions per day • 3 quizzes per day • Store up to 100 facts • Full stats and streak tracking KEEPTHAT PRO • 50 extractions per day • 50 AI-generated quizzes per day • Unlimited fact storage • Custom notification schedule Download free and remember your first article in under 60 seconds. Keepthat Pro is available as a monthly or annual auto-renewing subscription. Payment is charged to your Apple ID account at confirmation of purchase. Your subscription automatically renews unless canceled at least 24 hours before the end of the current period. You can manage and cancel subscriptions in your Apple ID account settings. Terms of Use: https://keepthat.app/terms-of-use Privacy Policy: https://keepthat.app/privacy-policy By using this app, you agree to Apple's Standard End User License Agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Memory Master4 screens
Keepthat4 screens

Verdict

The call

The clearest difference is update cadence: Memory Master at every 2 days against Keepthat's fortnightly. Memory Master also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.6). On price, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Memory Master sells 1 one-off in-app purchase and Keepthat sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Memory Master ships an update every 2 days, Keepthat fortnightly. The most recent releases landed on October 5, 2026 and September 30, 2026 respectively.

Scorecard3 real differences · 3 level
Memory Master versus Keepthat: the parameters behind the verdict, then further details
ParameterMemory MasterKeepthat
PriceFreeFree
Update frequencyEvery 2 days — betterFortnightly
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better18.6
Further details — not scored
Size24 MB7 MB
Age rating4+4+
Developer鹏 杨Valeriia Tsova

In-app purchases

1 purchases

Memory Master

One-time1
  • Unlock Premium Features$2.99
2 purchases

Keepthat

Subscriptions2
  • Keep That Pro Monthly$9.991 Month
  • Keep That Pro Annual$99.991 Year

Questions

Is Memory Master free?
Memory Master is free to download, with in-app purchases available.
Is Keepthat free?
Keepthat is free to download, with in-app purchases available.
Do Memory Master or Keepthat have ads?
Neither Memory Master nor Keepthat shows ads.
Which is updated more often, Memory Master or Keepthat?
Memory Master ships an update every 2 days, and Keepthat fortnightly. Most recently, Memory Master was updated on October 5, 2026 and Keepthat on September 30, 2026.

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