Stunden-und Minutenzeiger Calculator
64
Quality Score
Solid
✍️ Bumetric analysis
“
Stunden-und Minutenzeiger Calculator is an iOS app from Quackstro in the Utilities category, currently rated 4.2★ across 250 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 64: Solid (established niche player). For a Utilities app, that means established niche player. 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
$5.0K
per month
→
12-mo forecast
$5.2K – $10.8K
per month
→
24-mo forecast
$6.4K – $19.2K
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
98 snapshots on record
Rating
4.2
Reviews
250 reviews
Forecast Revenue / mo
$5.0K
Snapshots tracked
98
since Jan 2013
ONE-TIME · BUILD
💰 Estimated build cost
$130K
↳ What it cost to build · not monthly revenue
Likely range $100K – $175K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~2.2y 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 |
| ⚙ Utilities complexity ×0.85 | $-7575 |
| ⚙ 14.2y maintenance × ~1-person team | +$85K |
Total estimate
$130K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$75K
↳ What it would sell for · not monthly revenue
Marketplace range $50K – $100K · 15× MRR multiple
💸
~0.6× build cost (under-water)
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 |
| 📅 14.2y proven track record | +20% |
| 🏷 Utilities category multiple | -10% |
| ⭐ Small user base (<1K ratings) | -8% |
Final multiple
15× MRR
👥 Estimated audience size
35K
Lifetime downloads (US-equivalent)
Monthly active
1.8K
Daily active
360
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
| 📲 Utilities engagement | ~200 installs / rating |
| 📅 14.2y of rating accumulation | -30% |
| 🔁 Utilities D30 retention | 20% |
| 📍 DAU / MAU stickiness | 0.20 |
DAU / MAU
20% sticky
🛠 Estimated tech stack
🍎
Native iOS (Swift / UIKit)
High confidence · 80%
Also possible
Native iOS (SwiftUI)
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 | 2 MB |
| 🏷 Category context | Utilities |
| 📦 Compact iOS bundle | → Native Swift / UIKit (pre-2020 era) |
💀 Maintenance status
Likely abandoned
95%
Last shipped 2016-05-28 · 3772 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
| 📅 10y+ since last update | Likely abandoned |
| 👥 Small user base (250 ratings) + 14.2y old | +10% (solo-project pattern) |
| • 14y old + 1y+ no update | +5% (API deprecation drift) |
Verdict
Likely abandoned
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$5.0K/mo · ML-estimated from 234 triggers
Growth rate
+4.0% MoM · MID tier baseline (compound monthly)
6 months
$4.7K – $7.9K
12 months
$5.2K – $10.8K
24 months
$6.4K – $19.2K
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 · 45/100MID TIERunderperforming peersGrowth Velocity
5.0
Founder Strength
5.5
Product Quality
5.9
Revenue Strength
3.7
Monetization Maturity
1.0
Defensibility
6.0
Market Position
2.0
Operational Safety
7.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.21★ across 250 reviews — below category median.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 3767d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (3767d since update).
🎯 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 = $90K-$160K. Portfolio play ($28K/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 10 of 10 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 | |
| worth every pennyREVIEW | +$2,000 | |
| bugsREVIEW | −$1,800 | |
| 5 starREVIEW | +$1,800 | |
| excellent appREVIEW | +$1,500 | |
| Mature app (14y old)METRIC | +$1,500 | |
| Multilingual (26 languages)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| Good rating (4.2★)METRIC | +$800 | |
| Early-stage install base (250 ratings)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 · v1.7
This app has been updated by Apple to prepare for watchOS 27 compatibility. No new features are included.
Apple Watch App
Apple Watch App
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Stunden-und Minutenzeiger Calculator
- Developer
- Quackstro
- Bundle ID
- Hours---Minutes
- App Store URL
- Open in App Store
- Category
- Utilities
- Content rating
- 4+
- Languages
- AR, CS, DA, NL, EN, FI, FR, DE, EL, HU, ID, IT, JA, KO, MS, NB, PL, PT, RU, ZH, ES, SV, TH, ZH, TR, VI
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
- $5.0K/mo
- Top-grossing rank
- Outside top 100 in US Utilities
- 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
Contacts & Socials data not yet collected for this app.
📈Ratings growth252 ratings+52% lifetimeShow 3-year history estimate ▾
Tracked (60 weeks) Pre-tracking estimate (0 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.
💰Pricing History$0.00 → $1.99 (+0%)
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
Hours & Minutes is a simple calculator that allows you to easily add, subtract, and multiply hour and minutes time values without the need to convert those values into their decimal counterparts.
App Specs
🔐 Own this app? Claim & verify MRR →💾 2 MB🔞 4+📱 iOS 9.0+🔖 v1.7🔄 updated 10y ago🌐 AR, CS, DA, NL, EN +21📂 Utilities💰 Paid🚀 Launched 2012 (14y old)
📅
What Worked™ · Development Pipeline
13 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
💲
Went paid — introduced $1.99 price point
2026-03
⭐
Rating ↑ 3.70 → 4.30 (improved 0.60★)
2015-05
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$1.1K/mo · rating −0.06★ · reviews +11 high confidence
2015-05
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$1.2K/mo · reviews +11 high confidence
2014-07
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$203/mo · rating −0.05★ high confidence
2014-07
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$643/mo · rating −0.08★ · reviews +6 high confidence
2013-08
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$213/mo · rating −0.15★ high confidence
2013-08
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$808/mo · rating +0.09★ · reviews +7 high confidence
2013-06
⭐
Rating ↑ 4.00 → 4.33 (improved 0.33★)
→ 30 days after: revenue +$230/mo · rating +0.05★ high confidence
2013-03
⭐
Rating ↑ 3.50 → 4.00 (improved 0.50★)
→ 30 days after: revenue +$110/mo high confidence
2013-01
⭐
Rating ↑ 3.00 → 3.50 (improved 0.50★)
→ 30 days after: revenue +$118/mo · rating +0.50★ high confidence
2013-01
🚀
First tracked snapshot — initial data captured
→ 30 days after: revenue +$118/mo · rating +0.50★ high confidence
2013-01
🚀
First tracked snapshot — initial data captured
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 4.20833★ | 24 | 4.20833★ this version |
| 🇧🇷 BR | 4.5★ | 12 | 4.5★ this version |
| 🇨🇦 CA | 4★ | 15 | 4★ this version |
| 🇩🇪 DE | 4.27586★ | 29 | 4.27586★ this version |
| 🇫🇷 FR | 4.76923★ | 13 | 4.76923★ this version |
| 🇬🇧 GB | 4.81818★ | 77 | 4.81818★ this version |
| 🇮🇳 IN | 4.4★ | 5 | 4.4★ this version |
| 🇯🇵 JP | 4.21211★ | 33 | 4.21211★ this version |
| 🇺🇸 US | 4.2332★ | 253 | 4.2332★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Stunden-und Minutenzeiger Calculator: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Quackstro
View all →📦 Portfolio summaryINDIE studio
2apps·$5K/mocombined
⚠ Concentrated — top app contributes 91% of combined revenue (single-app dependency)
About this analysis
Why medium confidence: 250 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
10 answers · auto-generated from this app's public dataHow much does Stunden-und Minutenzeiger Calculator make per month?▴
Based on our ML-calibrated revenue forecast, Stunden-und Minutenzeiger Calculator earns approximately $5.0K/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 Stunden-und Minutenzeiger Calculator profitable?▴
With estimated build cost $130K and monthly revenue $5.0K, Stunden-und Minutenzeiger Calculator looks break-even-grade — payback period sits around 2.2 years. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does Stunden-und Minutenzeiger Calculator have?▴
Estimated audience: ~35K lifetime downloads, ~1K monthly active users, and ~360 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 Stunden-und Minutenzeiger Calculator?▴
Browse the full Utilities 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 Stunden-und Minutenzeiger Calculator built with?▴
Our heuristic places Stunden-und Minutenzeiger Calculator on the Native iOS (Swift / UIKit) stack (High confidence, 80%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: Native iOS (SwiftUI).
Is Stunden-und Minutenzeiger Calculator still actively maintained?▴
Maintenance status: Likely abandoned (95% abandonment risk). Last shipped version was 10+ years ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
How much would Stunden-und Minutenzeiger Calculator sell for?▴
Estimated acquisition value: $75K (marketplace range $50K – $100K). Calculated as 15× 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 Stunden-und Minutenzeiger Calculator last updated?▴
Stunden-und Minutenzeiger Calculator last shipped a new version on 2016-05-28 — more than 10 year(s) ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Stunden-und Minutenzeiger Calculator?▴
Stunden-und Minutenzeiger Calculator is published by Quackstro 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 Stunden-und Minutenzeiger Calculator's BU Score?▴
Stunden-und Minutenzeiger Calculator has a BU Score of 64/100 (Solid). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.