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79
BU Score
Strong

memoryOS: Gedächtnistraining

4.9 ✍️ Editor
✍️ BU Analytics Review

memoryOS: Gedächtnistraining is an iOS app from Encoder Inc. in the Education category, currently rated 4.9★ across 12,508 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.

Our BU Score puts it at 79Strong (healthy traction). For a Education app, that means healthy traction.

Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.

📊 Performance Tracking LIVE

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Reviews
Forecast Revenue / mo
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💰 Forecast Revenue / mo

MODEL
Revenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 14 of 14 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
Mid install base (12,508 ratings)METRIC
+$5,500
Paid app ($0.00)METRIC
+$2,800
Excellent rating (4.9★)METRIC
+$2,200
5 starREVIEW
+$1,800
great valueREVIEW
+$1,600
cancelledREVIEW
−$1,500
excellent appREVIEW
+$1,500
highly recommendREVIEW
+$1,400
slowREVIEW
−$1,200
too expensiveREVIEW
−$1,000
support teamREVIEW
+$900
priceyREVIEW
−$800
Established app (5y old)METRIC
+$800
Single-language (English only)METRIC
−$400
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 Reviews Growth

LIVE
Cumulative review count from first BU snapshot. Each point = a tracked update.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Apr 25
May 25
Jun 25
Jul 25
Aug 25
Sep 25
Oct 25
Nov 25
Dec 25
Jan 26
Feb 26
Mar 26

⭐ Rating Trend

LIVE
Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY
Each bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →
💾 234 MB🔞 4+📱 iOS 15.2+🔖 v1.5.2🔄 updated 1w ago🌐 EN📂 Education💰 Paid🚀 Launched 2021 (5y old)

📝 About this app

memoryOS contains interactive bite-sized lessons by a 2X World Memory Champion and an educational 3D game of Virtual Mind Palaces - all in one easy-to-use app. It utilizes scientifically proven memory techniques, spaced repetition and patented game mechanics to enhance long-term memory storage and improve knowledge retention.

memoryOS is loved by 500,000+ people worldwide because it is a whole new, joyful & game-changing tool for obtaining the most effective memorization skills.

Co-founded by Jonas von Essen, who went from struggling to remember to becoming a World Memory Champion, winning on Who Wants To Be a Millionaire, "Jeopardy, and setting a world record by memorizing 100,000 decimals of Pi .

memoryOS app has over 18k public worldwide ratings on Apple and Google app stores combined, averaging 4.8 stars. Users also continue adding 5-star reviews daily, sharing how effective and life-changing memoryOS has been for them. Also, memoryOS remains the most crowdfunded app in Kickstarter’s history.

Memorization is as important as reading and writing and should be taught as our base skill. Our mission is to enable millions of people to remember needed information easily.

With memoryOS, you will learn how to memorize:

- Names, Long speeches, Lists of items, Birthdays, Personal facts, Passwords, Trivia, Languages, Vocabulary and phrases, Countries and Capitals, Flags, Historical timeline, Numbers, Periodic table
- Content of complete books, Dates of significant events, Complex data structures, Concepts, and figures
- Art, Anatomy, Decks of cards, Advanced number systems; Long sequences of numbers, Binary Digits

You will also learn:

- How to keep track of years, months, weeks, and days
- Advanced study techniques, Spaced Repetition system, Speed memorization


Why did Google Brands Accelerator recognize memoryOS as being 'Light Years Ahead' in the memory space?

• memoryOS delivers results:

During our pre-launch phase, thousands of users completed our demo and, on average, had a 70% increase in recall and a 60% increase in recall speed just after the first ~40min session.

• Providing your mind with structured storage space:

We have spent tens of thousands of hours creating and optimizing our Virtual Mind Palaces, so you don’t have to spend months constructing your own the hard way. These virtual palaces serve as blueprints for your mind's storage space, allowing you to easily encode, store and recall like a memory champion.

• A proven innovative approach that works:

During our research and development stage, thousands of people of all age groups and even those with difficult medical conditions found memoryOS as an effective and useful tool. Actual results exceeded our team’s expectations.

• Gamified edtech at its best:

memoryOS has proven to work on people with no prior gaming experience - anyone can use it. Utilizing the power of the Unity game engine, memoryOS is widely accessible on all mobile and tablet devices and is soon coming to VR.

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Joining memoryOS is free. This provides extensive value on the free plan, and you are not obligated to pay to start using it. You can subscribe to a Student Premium plan for as low as $3.49/month when billed annually or $4.99/month when billed monthly (it can be 10-20% higher in some countries due to local taxes). You can subscribe through the 'Shop' section of the memoryOS app and find the above-mentioned or go to your App Store app's profile and choose a desired plan there. Recurring payments will automatically renew unless you cancel your account at least 24 hours before the end of the current subscription period. You can manage your subscription, cancel anytime, or turn off auto-renewal by accessing your iTunes account.

Join the memoryOS community of over 500,000+ early adopters who share this memorable journey!

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Terms: memoryOS.com/terms
Privacy policy: memoryOS.com/privacy-policy

Learn more at: memoryOS.com

Contact us: support@memoryOS.com

🆕 What's New · v1.5.2

Thank you for your continued feedback! We are dedicated to making mOS the best experience possible for you. In this update, we've focused on user experience and performance:

New Unified Design Across the App
We've introduced new 3D buttons across the entire app — complete with satisfying sound feedback and haptic response for a more tactile, engaging experience.

Under the Hood
We've fixed several bugs and improved overall app stability for a smoother experience.

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
memoryOS: Gedächtnistraining
Developer
Encoder Inc.
Bundle ID
com.memoryos.app
App Store URL
Open in App Store
Category
Education
Content rating
4+
Languages
EN

Company

Website
memoryos.com
Tagline
Best Memory App to Remember What’s Important
Description
memoryOS combines proven learning and memory techniques with engaging Duolingo-like lessons and an immersive 3D world. Our patented Virtual Mind Palace technology creates a structured “mind drive” empowering users to remember needed knowledge. Try world's #1 memory app today and see for yourself.
Founded
Not found
HQ / Address
Not found
Employees
Not found
Logo
OG image

Revenue

Verified revenue / mo
Not found
AI revenue estimate / mo
Not found
AI annual estimate
Not found
ML model estimate / mo
$16.2K/mo
Top-grossing rank
🇦🇺#48 /100   🇺🇸#77 /100   🇩🇪#91 /100   🇫🇷#99 /100
All-time revenue
Not found
Pricing
Not found

Founder

Name
Not found
X / Twitter
https://twitter.com/memoryos_app
LinkedIn
https://www.linkedin.com/company/encoder-inc
GitHub
Not found
X followers
Not found
Public statements
Not found

Funding

Total raised
Not found
Last round
Not found
Investors
Not found
Crunchbase
Not found
AngelList
Not found

Press & Links

Articles found
Not found
Listed on
Not found
Blog
https://memoryos.com/articles
Press / News
Not found
📈Ratings growth12,508 ratings+126% lifetimeShow 3-year history estimate ▾May 2023Dec 2025May 2026
Tracked (26 weeks) Pre-tracking estimate (36 weeks) · model-based, ±5% noise · anchored to release date and current value
🗺️Geographic DistributionTop 10Top 30Top 60
AU#48US#77DE#91FR#99
🌍Top Countries — Grossing Rank4 countries
🇦🇺AU
#48 /100
🇺🇸US
#77 /100
🇩🇪DE
#91 /100
🇫🇷FR
#99 /100
📊Category Rank Trajectory#48 now · best #47 · worst #100
Lower line = better rank · Estimate from ratings growth model · Lower position on chart = worse rank · Higher = top of chart
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.

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