Strongbox - Password Manager
75
Quality Score
Strong
Strongbox - Password Manager
Medium confidence
✍️ bumetric analysis
“
Strongbox - Password Manager is an iOS app from Phoebe Code Limited in the Productivity category, currently rated 4.7★ across 4,049 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 75: Strong (healthy traction). For a Productivity 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
$9.1K
per month
→
12-mo forecast
$9.4K – $19.6K
per month
→
24-mo forecast
$11.6K – $34.9K
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
$90K
↳ What it cost to build · not monthly revenue
Likely range $70K – $120K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~6 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 (133 MB) | +$33K |
| ⚙ Productivity complexity ×1.10 | +$8K |
Total estimate
$90K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$300K
↳ What it would sell for · not monthly revenue
Marketplace range $225K – $400K · 19× MRR multiple
💸
~3.3× 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% |
| 🏷 Productivity category multiple | +8% |
Final multiple
19× MRR
👥 Estimated audience size
300K
Lifetime downloads (US-equivalent)
Monthly active
90K
Daily active
40K
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
| 📲 Productivity engagement | ~75 installs / rating |
| 🔁 Productivity D30 retention | 30% |
| 📍 DAU / MAU stickiness | 0.45 |
DAU / MAU
45% sticky
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$9.1K/mo · ML-estimated from 234 triggers
Growth rate
+4.0% MoM · MID tier baseline (compound monthly)
6 months
$8.6K – $14.3K
12 months
$9.4K – $19.6K
24 months
$11.6K – $34.9K
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 · 53/100MID TIERunderperforming peersGrowth Velocity
5.0
Founder Strength
5.6
Product Quality
8.5
Revenue Strength
4.0
Monetization Maturity
1.0
Defensibility
6.0
Market Position
2.0
Operational Safety
10.0
- 💰 Revenue: Modest — $6K - $13K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.74★ across 4,049 reviews — strong (top 10%).
- 📍 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 = $163K-$290K. Portfolio play ($38K/mo combined) commands premium.
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:
| Paid app ($0.00)METRIC | +$2,800 | |
| Excellent rating (4.7★)METRIC | +$2,200 | |
| worth every pennyREVIEW | +$2,000 | |
| bugsREVIEW | −$1,800 | |
| 5 starREVIEW | +$1,800 | |
| excellent appREVIEW | +$1,500 | |
| Low install base (4,049 ratings)METRIC | +$1,500 | |
| Mature app (11y old)METRIC | +$1,500 | |
| Multilingual (18 languages)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| slowREVIEW | −$1,200 | |
| too expensiveREVIEW | −$1,000 | |
| support teamREVIEW | +$900 | |
| priceyREVIEW | −$800 |
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 · v1.64.1
This update for Strongbox adds new import options, improves the upgrade experience & adds more options for crash reporting.
New:
- Import from Apple Passwords exporter.
- Import from mSecure and Secrets 4 vaults.
- Updated upgrade/onboarding flow and trial messaging.… Full release notes →
New:
- Import from Apple Passwords exporter.
- Import from mSecure and Secrets 4 vaults.
- Updated upgrade/onboarding flow and trial messaging.… Full release notes →
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Strongbox - Password Manager
- Developer
- Phoebe Code Limited
- Bundle ID
- com.markmcguill.strongbox
- App Store URL
- Open in App Store
- Category
- Productivity
- Content rating
- 4+
- Languages
- CS, NL, EN, FR, DE, EL, HU, IT, JA, PL, PT, RU, ZH, ES, SV, ZH, TR, UK
Company
- Website
- Not found
- Tagline
- iOS and macOS KeePass Password Manager | Strongbox
- Description
- Strongbox is the world's leading password manager for iPhone and Mac. Built to utilise industry standard formats, it's ready to secure your data.
- 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
- $16.3K/mo
- Top-grossing rank
- Outside top 100 in US Productivity
- All-time revenue
- Not found
- Pricing
- Not found
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
- Socials
- twitter twitter.com/strongboxsafe
- Not found
- Phone
- Not found
- Contact page
- strongboxsafe.com/support
- About page
- strongboxsafe.com/about
📈Ratings growth4,051 ratings+17% lifetimeShow 3-year history estimate ▾
Tracked (51 weeks) Pre-tracking estimate (35 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
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
Strongbox is an application for keeping all your passwords safely stored and protected by one master password. Supporting the open source Password Safe and KeePass formats.
*** Features ***
- Face ID/Touch ID Unlock for the ultimate in convenience, security and speed.
- Passkey support - The latest, most convenient and most secure authentication method (passkeys).
- PIN Code Unlock with a Duress PIN option for those tricky situations.
- YubiKey protection - secure your databases with a hardware token.
- Secure - protected by time tested military grade cryptography.… View full description on the official store →
*** Features ***
- Face ID/Touch ID Unlock for the ultimate in convenience, security and speed.
- Passkey support - The latest, most convenient and most secure authentication method (passkeys).
- PIN Code Unlock with a Duress PIN option for those tricky situations.
- YubiKey protection - secure your databases with a hardware token.
- Secure - protected by time tested military grade cryptography.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 133 MB🔞 4+📱 iOS 15.0+🔖 v1.64.1🔄 updated 0d ago🌐 CS, NL, EN, FR, DE +13📂 Productivity💰 Paid
📅
What Worked™ · Development Pipeline
8 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
📈
Crossed 1,000 ratings — social-proof flywheel kicking in
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
2021-09
📈
Crossed 100 ratings — social-proof flywheel kicking in
2021-03
📈
Crossed 50 ratings — social-proof flywheel kicking in
2020-09
⭐
Rating ↓ 5.00 → 4.69 (dropped 0.31★)
2020-09
📈
Crossed 10 ratings — social-proof flywheel kicking in
2020-08
🚀
First tracked snapshot — initial data captured
🔎
ASO Keyword Positions
BEST RANK #24Ranked for 1 App Store search query in our last keyword sweep. Lower position = closer to the top.
password manager·#24🇺🇸
Last sweep: 2026-05-19 · iTunes Search API
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 4.67868★ | 333 | 4.67868★ this version |
| 🇧🇷 BR | 4.87629★ | 97 | 4.87629★ this version |
| 🇨🇦 CA | 4.7717★ | 530 | 4.7717★ this version |
| 🇩🇪 DE | 4.68333★ | 2,280 | 4.68333★ this version |
| 🇫🇷 FR | 4.68293★ | 533 | 4.68293★ this version |
| 🇬🇧 GB | 4.72287★ | 516 | 4.72287★ this version |
| 🇮🇳 IN | 4.83333★ | 60 | 4.83333★ this version |
| 🇯🇵 JP | 4.46739★ | 92 | 4.46739★ this version |
| 🇺🇸 US | 4.73569★ | 4,052 | 4.73569★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Strongbox - Password Manager: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Phoebe Code Limited
View all →📦 Portfolio summaryINDIE studio
2apps·$38K/mocombined
Lead-app heavy — top app contributes 58%
Similar apps in Productivity
About this analysis
Why medium confidence: 4,049 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does Strongbox - Password Manager make per month?▴
Based on our ML-calibrated revenue forecast, Strongbox - Password Manager 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 Strongbox - Password Manager?▴
Browse the full Productivity 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 Strongbox - Password Manager?▴
Strongbox - Password Manager is published by Phoebe Code Limited 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 Strongbox - Password Manager's BU Score?▴
Strongbox - Password Manager has a BU Score of 75/100 (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.