memoryOS: Improve Your Memory
78
Quality Score
Strong
memoryOS: Improve Your Memory
by Encoder Inc.
High confidence
✍️ Bumetric analysis
“
memoryOS: Improve Your Memory is an iOS app from Encoder Inc. in the Education category, currently rated 4.7★ across 11,867 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 78: 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
$700K
per month
→
12-mo forecast
$741K – $1141K
per month
→
24-mo forecast
$886K – $1645K
per month
BIG 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
424 snapshots on record
Rating
4.7
Reviews
11,867 reviews
Forecast Revenue / mo
$700K
Snapshots tracked
424
since Apr 2025
ONE-TIME · BUILD
💰 Estimated build cost
$150K
↳ What it cost to build · not monthly revenue
Likely range $110K – $200K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in under a month 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 |
| 💎 In-app purchase plumbing | +$9K |
| 📦 Asset bundle (248 MB) | +$40K |
| ⚙ Education complexity ×1.20 | +$19K |
| ⚙ 5.5y maintenance × ~1-person team | +$32K |
Total estimate
$150K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$28.5M
↳ What it would sell for · not monthly revenue
Marketplace range $21.5M – $37.5M · 41× MRR multiple
💸
~190× return on build cost
Synthetic estimate. Multiple band derived from iap / freemium model + 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
| 💎 IAP / freemium model base | 28× MRR |
| 📅 5.5y proven track record | +20% |
| ⭐ ★ rating ≥ 4.7 (premium) | +15% |
| 🏷 Education category multiple | +6% |
Final multiple
41× MRR
👥 Estimated audience size
730K
Lifetime downloads (US-equivalent)
Monthly active
100K
Daily active
30K
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 |
| 📅 5.5y of rating accumulation | -27% |
| 🔁 Education D30 retention | 18% |
| 📍 DAU / MAU stickiness | 0.30 |
DAU / MAU
30% sticky
🛠 Estimated tech stack
🍎
Native iOS (SwiftUI)
Medium confidence · 55%
Also possible
React Native
Flutter
Heuristic guess from app bundle size, category, store description signals, and release-date stack era. Bumetric does not disassemble binaries — for binary-level certainty you would need an SDK intelligence tool or the manifest itself. Reasoning chain on the right. Full ruleset on /methodology.
Signals we read
| 📦 App bundle size | 248 MB |
| 🏷 Category context | Education |
| 📦 Large iOS bundle | → Native SwiftUI (post-2020 era) + assets |
💀 Maintenance status
Active
5%
Last shipped 2026-09-18 · 6 days ago
0 · Active
50 · At risk
100 · Abandoned
Heuristic risk score from time-since-last-update + ratings velocity proxy + Editor's Choice / curated featuring signals. Calibrated against 2024-2025 app-store ranking decay reports. Not a guarantee — a quiet app with a healthy codebase looks the same as an abandoned one until something breaks. Full math on /methodology.
Risk signals
| 📅 6 days since last update | Active development |
Verdict
Active
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$700K/mo · ML-estimated from 234 triggers
Growth rate
+2.5% MoM · BIG tier baseline (compound monthly)
6 months
$690K – $933K
12 months
$741K – $1.1M
24 months
$886K – $1.6M
Compound growth at +2.5% MoM (tier baseline for BIG). Range widens with horizon — typical noise band ±15% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Mixed signals · 60/100BIG TIERcompetitive but cautiousGrowth Velocity
5.0
Founder Strength
5.6
Product Quality
9.5
Revenue Strength
5.8
Monetization Maturity
4.0
Defensibility
5.8
Market Position
2.0
Operational Safety
10.0
- 💰 Revenue: Healthy — $280K - $1540K/mo · BIG tier · medium-low confidence, trajectory unclear.
- ⭐ Quality: 4.74★ across 11,867 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 = $12.6M-$22.4M.
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 15 of 16 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mid install base (11,867 ratings)METRIC | +$5,500 | |
| subscriptionREVIEW | +$2,500 | |
| premiumREVIEW | +$2,200 | |
| Excellent rating (4.7★)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 | |
| Ad-supported / freemiumMETRIC | +$600 |
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 · v1.5.9
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:
Fresh First Impression
We've updated the Splash Screen with a new look to welcome you in style.… Full release notes →
Fresh First Impression
We've updated the Splash Screen with a new look to welcome you in style.… Full release notes →
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- memoryOS: Improve Your Memory
- 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
- Today
- Description
- Find apps and games for iPhone, iPad, Mac, and more on the App Store.
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Available
Revenue
- Reported revenue signal / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- Model estimate / mo
- $700K/mo
- Top-grossing rank
- 🇺🇸#51 /100 🇦🇺#73 /100
- All-time revenue
- Not found
- Pricing
- $0.99 - $149.99 per item
Founder
Founder data not yet collected for this app.
Funding
Funding data not yet collected for this app.
Press & Links
Press & Links data not yet collected for this app.
Contacts & Socials
Contacts & Socials data not yet collected for this app.
📈Ratings growth16,221 ratings+3529% lifetimeShow 3-year history estimate ▾
Tracked (60 weeks) Pre-tracking estimate (0 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Top Countries — Grossing Rank2 countries
🇺🇸US#51 /100
🇦🇺AU#73 /100
📊Category Rank Trajectory#51 now · best #51 · worst #100
Lower line = better rank · Estimate from ratings growth model · Lower position on chart = worse rank · Higher = top of chart
🚀Update Frequency · Releases per Quarter5 releases tracked
🚀Version Release Timeline5 releases tracked
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 →💾 248 MB🔞 4+📱 iOS 15.2+🔖 v1.5.9🔄 updated 6d ago🌐 EN📂 Education💰 Paid💎 IAP $0.99 - $149.99 per item🚀 Launched 2021 (5y old)
📅
What Worked™ · Development Pipeline
17 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 →
2026-08
🔧
Shipped update — v1.5.4 → v1.5.7
→ 30 days after: reviews +1,107 medium · co-occurring
2026-07
🔧
Shipped update — v1.5.3 → v1.5.4
→ 30 days after: revenue +$43.2K/mo · rating +0.13★ · reviews +2,165 high confidence
2026-06
📸
Refreshed store screenshots — 8 of 8 updated
→ 30 days after: revenue +$43.2K/mo · rating +0.13★ · reviews +2,165 high confidence
2026-05
🔧
Shipped update — v1.5.2 → v1.5.3
→ 30 days after: revenue −$16.2K/mo · rating −0.12★ · reviews −674 high confidence
2026-05
⭐
Rating ↑ 4.38 → 4.86 (improved 0.48★)
→ 30 days after: revenue −$16.2K/mo · rating −0.12★ · reviews −674 high confidence
2026-05
📈
Crossed 1,000 ratings — social-proof flywheel kicking in
→ 30 days after: revenue −$16.2K/mo · rating −0.12★ · reviews −674 high confidence
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$357/mo · reviews +11 medium · co-occurring
2026-03
⭐
Rating ↑ 4.38 → 4.80 (improved 0.42★)
→ 30 days after: revenue +$649/mo · reviews +20 medium · co-occurring
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$649/mo · reviews +20 medium · co-occurring
2025-07
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$1.3K/mo · reviews +40 high confidence
2025-05
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$416/mo · reviews +13 high confidence
2025-05
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$860/mo · rating +0.11★ · reviews +26 medium · co-occurring
2025-04
🚀
First tracked snapshot — initial data captured
→ 30 days after: revenue +$860/mo · rating +0.11★ · reviews +26 medium · co-occurring
2025-04
⭐
Rating ↑ 3.67 → 4.00 (improved 0.33★)
→ 30 days after: revenue +$860/mo · rating +0.11★ · reviews +26 medium · co-occurring
2025-04
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$860/mo · rating +0.11★ · reviews +26 medium · co-occurring
2025-04
⭐
Rating ↓ 5.00 → 3.00 (dropped 2.00★)
→ 30 days after: revenue +$860/mo · rating +0.11★ · reviews +26 medium · co-occurring
2025-04
🚀
First tracked snapshot — initial data captured
→ 30 days after: revenue +$860/mo · rating +0.11★ · reviews +26 medium · co-occurring
📸
Store Page History
8 SCREENSHOT CHANGESEvery time a developer swaps a store screenshot we archive both versions. Compare side-by-side to see what messaging / visuals changed.
iPhone screenshots
Slot 1
2 ver.
2 ver.
2026-05-13
2026-06-20
Slot 2
2 ver.
2 ver.
2026-05-13
2026-06-20
Slot 3
2 ver.
2 ver.
2026-05-13
2026-06-20
Slot 4
2 ver.
2 ver.
2026-05-13
2026-06-20
Slot 5
2 ver.
2 ver.
2026-05-13
2026-06-20
Slot 6
2 ver.
2 ver.
2026-05-13
2026-06-20
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 4.81775★ | 1,893 | 4.81775★ this version |
| 🇧🇷 BR | 4.9359★ | 234 | 4.9359★ this version |
| 🇨🇦 CA | 4.83169★ | 1,943 | 4.83169★ this version |
| 🇩🇪 DE | 4.80424★ | 848 | 4.80424★ this version |
| 🇫🇷 FR | 4.8213★ | 554 | 4.8213★ this version |
| 🇬🇧 GB | 4.79789★ | 2,182 | 4.79789★ this version |
| 🇮🇳 IN | 4.84821★ | 112 | 4.84821★ this version |
| 🇯🇵 JP | 4.77174★ | 92 | 4.77174★ this version |
| 🇺🇸 US | 4.87134★ | 16,097 | 4.87134★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for memoryOS: Improve Your Memory: 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: 11,867 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
10 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 $700K/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.
Is memoryOS profitable?▴
With estimated build cost $150K and monthly revenue $700K, memoryOS looks highly profitable — pays back its build investment in under a month at the current run-rate. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does memoryOS have?▴
Estimated audience: ~730K lifetime downloads, ~100K monthly active users, and ~30K daily active users. Derived from ratings count × category installs-per-rating × age decay. US-storefront-equivalent — global audience can be 5-10× larger for internationally-distributed apps.
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.
What is memoryOS built with?▴
Our heuristic places memoryOS on the Native iOS (SwiftUI) stack (Medium confidence, 55%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: React Native, Flutter.
Is memoryOS still actively maintained?▴
Maintenance status: Active (5% abandonment risk). Last shipped version was 6 days ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
How much would memoryOS sell for?▴
Estimated acquisition value: $28.5M (marketplace range $21.5M – $37.5M). Calculated as 41× monthly revenue using the standard multiple for the detected monetization model + adjustments for age, rating quality and category demand. Calibrated against 2024-2026 Flippa / Acquire.com / MicroAcquire closed-deal medians.
When was memoryOS last updated?▴
memoryOS last shipped a new version on 2026-09-18 — less than a month ago. This is the date Apple / Google last accepted a new build, not a content-only push.
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 78/100 (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.