Private Photo Vault - Keepsafe
84
Quality Score
Excellent
✍️ Bumetric analysis
“
Private Photo Vault operates in the privacy-focused utility niche, directly competing with other photo and video locker apps like Calculator Photo Vault and Gallery Lock. Its substantial user base, evidenced by millions of ratings and a strong average rating, indicates significant market penetration and a mature growth stage. This app has established itself as a category leader, a clear signal of strong user trust and retention. Given its free monetization model, revenue likely stems from premium subscription tiers offering enhanced features like cloud backup, break-in alerts, or additional storage. In the secure vault category, a common monetization path involves a freemium model where basic security is free, but advanced privacy features and convenience tools are gated behind an annual or monthly subscription, typically priced to offer value for peace of mind rather than entertainment.
BU Score 84 · Excellent — strong product-market fit. The full Investment Matrix below scores 8 dimensions including monetisation, growth, and operational risk.
Track snapshot history and revenue forecast in the Performance section below.
💰 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
6 snapshots on record
Rating
4.7
Reviews
2,076,371 reviews
Forecast Revenue / mo
$700K
Snapshots tracked
6
since May 2026
ONE-TIME · BUILD
💰 Estimated build cost
$215K
↳ What it cost to build · not monthly revenue
Likely range $160K – $290K
$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 |
| ⚙ Photography complexity ×1.35 | +$20K |
| 🌐 Cross-platform reach (iOS + Android) | +$44K |
| ⚙ 15.4y maintenance × ~1-person team | +$92K |
Total estimate
$215K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$29.0M
↳ What it would sell for · not monthly revenue
Marketplace range $22.0M – $38.0M · 42× MRR multiple
💸
~135× 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 |
| 📅 15.4y proven track record | +20% |
| ⭐ ★ rating ≥ 4.7 (premium) | +15% |
| ⭐ Mature user base (1M+ ratings) | +8% |
Final multiple
42× MRR
👥 Estimated audience size
174.0M
Lifetime downloads (US-equivalent)
Monthly active
5.2M
Daily active
1.3M
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
| 📲 Photography engagement | ~120 installs / rating |
| 📅 15.4y of rating accumulation | -30% |
| 🔁 Photography D30 retention | 15% |
| 📍 DAU / MAU stickiness | 0.25 |
DAU / MAU
25% sticky
🛠 Estimated tech stack
🤖
Native Android (Kotlin)
High confidence · 80%
Also possible
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
| 🏷 Category context | Photography |
| 📦 Compact Android bundle | → Native Kotlin |
💀 Maintenance status
Active
5%
Last shipped 2026-10-01 · 10 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
| 📅 10 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 cautiousRevenue Strength
5.8
Product Quality
9.5
Market Position
0.0
Growth Velocity
5.0
Defensibility
8.5
Operational Safety
10.0
Founder Strength
3.9
Monetization Maturity
5.0
- 💰 Revenue: Healthy — $280K - $1540K/mo · BIG tier · medium-low confidence, trajectory unclear.
- ⭐ Quality: 4.74★ across 2,076,371 reviews — exceptional (top 1% in category).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: dev shipping weekly.
- ⚠️ Risk: Low — no material risk signals detected.
🎯 For competitors: Strong subscription moat. Hard to outcompete on retention. Better angle: free alternative with one-time purchase, or feature parity for an underserved sub-niche.
💵 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 8 of 8 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| High install base (2,076,371 ratings)METRIC | +$12,000 | |
| premiumREVIEW | +$2,200 | |
| Excellent rating (4.7★)METRIC | +$2,200 | |
| excellent appREVIEW | +$1,500 | |
| Mature app (15y old)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| too expensiveREVIEW | −$1,000 | |
| 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.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Private Photo Vault - Keepsafe
- Developer
- Keepsafe
- Bundle ID
- com.kii.safe
- App Store URL
- Open in App Store
- Category
- Photography
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- www.getkeepsafe.com
- Tagline
- Not found
- Description
- Not found
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
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
- Not found
- All-time revenue
- Not found
- Pricing
- $0.99 - $299.99 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.
🚀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
Download Keepsafe to join over 50 million people who have entrusted more than a billion pictures to Keepsafe’s photo locker – the most popular hidden Photo Vault & album locker app on Android.
Keepsafe secures personal photos and videos by locking them down in a photo vault with safe PIN protection, fingerprint authentication, and military-grade encryption. It’s the best place to hide photos & videos. With Keepsafe’s photo hider, you can protect your privacy, secure your secret picture vault, and save phone space.
Keepsafe’s hidden photo vault lets you:
🌟 Preserve special memories… View full description on the official store →
Keepsafe secures personal photos and videos by locking them down in a photo vault with safe PIN protection, fingerprint authentication, and military-grade encryption. It’s the best place to hide photos & videos. With Keepsafe’s photo hider, you can protect your privacy, secure your secret picture vault, and save phone space.
Keepsafe’s hidden photo vault lets you:
🌟 Preserve special memories… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v14.23.0🔄 updated 1w ago📂 Photography💰 Free📺 Ad-supported💎 IAP $0.99 - $299.99 per item🚀 Launched 2011 (15y old)
📅
What Worked™ · Development Pipeline
5 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 — v14.19.0 → v14.21.0
→ 30 days after: reviews +2,476 high confidence
2026-07
🔧
Shipped update — v14.18.0 → v14.19.0
→ 30 days after: reviews +1,394 high confidence
2026-06
📸
Refreshed store screenshots — 8 of 8 updated
→ 30 days after: reviews −523 medium · co-occurring
2026-06
🔧
Shipped update — v14.15.0 → v14.18.0
→ 30 days after: reviews +4,075 low · multiple changes
2026-05
🚀
First tracked snapshot — initial data captured
→ 30 days after: reviews +4,598 high confidence
📸
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.
2026-05-06
2026-06-11
Slot 2
2 ver.
2 ver.
2026-05-06
2026-06-11
Slot 3
2 ver.
2 ver.
2026-05-06
2026-06-11
Slot 4
2 ver.
2 ver.
2026-05-06
2026-06-11
Slot 5
2 ver.
2 ver.
2026-05-06
2026-06-11
Slot 6
2 ver.
2 ver.
2026-05-06
2026-06-11
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Private Photo Vault - Keepsafe: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Keepsafe
View all →📦 Portfolio summaryMID studio
2apps·$705K/mocombined
⚠ Concentrated — top app contributes 99% of combined revenue (single-app dependency)
About this analysis
Why high confidence: 2,076,371 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
10 answers · auto-generated from this app's public dataHow much does Private Photo Vault - Keepsafe make per month?▴
Based on our ML-calibrated revenue forecast, Private Photo Vault - Keepsafe 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 Private Photo Vault - Keepsafe profitable?▴
With estimated build cost $215K and monthly revenue $700K, Private Photo Vault - Keepsafe 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 Private Photo Vault - Keepsafe have?▴
Estimated audience: ~174.0M lifetime downloads, ~5.2M monthly active users, and ~1.3M 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 Private Photo Vault - Keepsafe?▴
Browse the full Photography 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 Private Photo Vault - Keepsafe built with?▴
Our heuristic places Private Photo Vault - Keepsafe on the Native Android (Kotlin) stack (High confidence, 80%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: Flutter.
Is Private Photo Vault - Keepsafe still actively maintained?▴
Maintenance status: Active (5% abandonment risk). Last shipped version was 10 days ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
How much would Private Photo Vault - Keepsafe sell for?▴
Estimated acquisition value: $29.0M (marketplace range $22.0M – $38.0M). Calculated as 42× 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 Private Photo Vault - Keepsafe last updated?▴
Private Photo Vault - Keepsafe last shipped a new version on 2026-10-01 — less than a month ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Private Photo Vault - Keepsafe?▴
Private Photo Vault - Keepsafe is published by Keepsafe on the Google Play 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 Private Photo Vault - Keepsafe's BU Score?▴
Private Photo Vault - Keepsafe has a BU Score of 84/100 (Excellent). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.