memoryOS: Gedächtnistraining
79
Quality Score
Strong
memoryOS: Gedächtnistraining
High confidence
✍️ bumetric analysis
“
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.
Quality Score is 79: Strong (healthy traction). For a Education app, that means healthy traction. The full BU Investment Matrix below scores 8 dimensions including monetisation, growth, and operational risk.
Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.
💰 Monthly revenue · now vs forecast
● Right now
$15.6K
per month
→
12-mo forecast
$16.1K – $33.8K
per month
→
24-mo forecast
$20.0K – $59.9K
per month
MID tier
💡 Grow this revenue
Free AI audit of this app’s store listing
- Title & subtitle keyword fit
- Description hook & conversion structure
- Screenshots, ratings, reviews strategy
Typical impact: +2-5× organic installs
📊 Performance Tracking LIVE
Loading…
Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
ONE-TIME · BUILD
💰 Estimated build cost
$110K
↳ What it cost to build · not monthly revenue
Likely range $80K – $150K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~7 months at current MRR
Synthetic estimate. Inputs: category complexity, file size, screen count, monetization layer, platform reach, age × team-size proxy. Calibrated against 2024-2026 indie-agency rate surveys. Full math + source list on /methodology.
Where the money goes
| 🧱 MVP baseline (design + 1-store ship) | +$28K |
| 📱 5 unique screens × $4.5K | +$22K |
| 📦 Asset bundle (234 MB) | +$40K |
| ⚙ Education complexity ×1.20 | +$18K |
Total estimate
$110K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$300K
↳ What it would sell for · not monthly revenue
Marketplace range $225K – $375K · 18× MRR multiple
💸
~2.7× return on build cost
Synthetic estimate. Multiple band derived from ad-supported + age, rating quality, category demand, and user-base maturity. Calibrated against 2024-2026 indie-app-marketplace closed-deal medians. Full math + comparable deal list on /methodology.
How the multiple was built
| 📺 Ad-supported base | 15× MRR |
| ⭐ ★ rating ≥ 4.7 (premium) | +15% |
| 🏷 Education category multiple | +6% |
Final multiple
18× MRR
👥 Estimated audience size
1.1M
Lifetime downloads (US-equivalent)
Monthly active
185K
Daily active
55K
Synthetic estimate from ratings × category benchmarks. Calibrated against 2024-2026 mobile-attribution retention + DAU/MAU reports. Numbers are US-storefront-equivalent — true global audience can be 5-10× larger for international apps. Full math + source list on /methodology.
How we sized it
| 📲 Education engagement | ~85 installs / rating |
| 🔁 Education D30 retention | 18% |
| 📍 DAU / MAU stickiness | 0.30 |
DAU / MAU
30% sticky
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$15.6K/mo · ML-estimated from 234 triggers
Growth rate
+4.0% MoM · MID tier baseline (compound monthly)
6 months
$14.8K – $24.6K
12 months
$16.1K – $33.8K
24 months
$20.0K – $59.9K
Compound growth at +4.0% MoM (tier baseline for MID). Range widens with horizon — typical noise band ±25% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Below median · 48/100MID TIERunderperforming peersGrowth Velocity
5.0
Founder Strength
5.2
Product Quality
9.7
Revenue Strength
4.2
Monetization Maturity
1.0
Defensibility
3.3
Market Position
0.0
Operational Safety
10.0
- 💰 Revenue: Modest — $10K - $23K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.86★ across 12,508 reviews — exceptional (top 1% in category).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: Insufficient signal to assess trajectory.
- ⚠️ Risk: Low — no material risk signals detected.
🎯 For competitors: Mixed picture. Worth competing if you have a clear UX or pricing edge — otherwise crowded segment.
💵 For acquirers: Estimated asking range 18-32× monthly = $280K-$498K.
Composite of 8 dimensions computed deterministically from public signals — no LLM, every score traces back to a measurable input. Default weights shown; "compete" / "acquire" / "invest" lenses re-weight without re-fetching.
Range:
💰 Forecast Revenue / mo
MODELRevenue 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
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🆕 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… Full release notes →
New Unified Design Across the App… Full release notes →
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
- Not found
- 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
- Available
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
- 🇬🇧#82 /100
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- twitter.com/memoryos_app
- linkedin.com/company/encoder-inc
- GitHub
- Not found
- X followers
- Not found
- Public statements
- Not found
Funding
Funding data not yet collected for this app.
Press & Links
Press & Links data not yet collected for this app.
Contacts & Socials
- Socials
- discord discord.gg/cSVkjaX · facebook facebook.com/memoryosapp · instagram instagram.com/memoryos_app · linkedin linkedin.com/company/encoder-inc · twitter twitter.com/memoryos_app · youtube youtube.com/channel/UC-geYqtH2VpadMts…
- investor-relations@memoryos.com
- Phone
- Not found
- Contact page
- memoryos.com/contact-us
- About page
- memoryos.com/about-us
📈Ratings growth12,508 ratings+129% lifetimeShow 3-year history estimate ▾
Tracked (26 weeks) Pre-tracking estimate (36 weeks) · model-based, ±5% noise · anchored to release date and current value
🗺️Geographic Distribution1 of 9 markets
🇬🇧
GB
Top-grossing rank: #82 / 100
Other markets
Outside top 100
in US, GB, DE, FR, JP, CA, AU, BR, IN
in US, GB, DE, FR, JP, CA, AU, BR, IN
This app currently ranks in only one of the 9 markets we monitor. Niche or regional apps often launch this way before global rollout. Rankings update daily.
📊Category Rank Trajectory#82 now · best #76 · 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.
📝 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.… View full description on the official store →
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.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 234 MB🔞 4+📱 iOS 15.2+🔖 v1.5.2🔄 updated 0d ago🌐 EN📂 Education💰 Paid
📅
What Worked™ · Development Pipeline
11 EVENTS TRACKEDDetected changes in this app over its tracked lifetime — each event links cause (what changed) to effect (what moved). Sorted newest first.See full history →Version history →
2026-05
⭐
Rating ↑ 4.38 → 4.86 (improved 0.48★)
2026-05
📈
Crossed 1,000 ratings — social-proof flywheel kicking in
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
2026-03
⭐
Rating ↑ 4.38 → 4.80 (improved 0.42★)
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
2025-07
📈
Crossed 100 ratings — social-proof flywheel kicking in
2025-05
📈
Crossed 50 ratings — social-proof flywheel kicking in
2025-04
⭐
Rating ↑ 3.67 → 4.00 (improved 0.33★)
2025-04
📈
Crossed 10 ratings — social-proof flywheel kicking in
2025-04
🚀
First tracked snapshot — initial data captured
2025-04
⭐
Rating ↓ 5.00 → 3.00 (dropped 2.00★)
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for memoryOS: Gedächtnistraining: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
About this analysis
Why high confidence: 12,508 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does memoryOS make per month?▴
Based on our ML-calibrated revenue forecast, memoryOS earns approximately $16K/mo. This is a US-storefront-equivalent estimate; global revenue can be several times larger for internationally-distributed apps. See the methodology page for the full formula and confidence bands.
What apps are like memoryOS?▴
Browse the full Education category catalog to find similar apps with revenue, build cost, audience and tech stack data. Each /p/{slug} page also shows a Compare side-by-side widget with three peer apps from the same niche.
Who makes memoryOS?▴
memoryOS is published by Encoder Inc. on the Apple App Store. See the full publisher portfolio (other apps by the same developer) via the More by developer block on the product page above.
What is memoryOS's BU Score?▴
memoryOS has a BU Score of 79/100 (Strong). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.