Call Ranger: Mass Anrufblocker
64
Quality Score
Solid
✍️ bumetric analysis
“
Call Ranger: Mass Anrufblocker is an iOS app from Konstantinos Papadakis in the Utilities category, currently rated 4.2★ across 237 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
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
Loading…
Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
ONE-TIME · BUILD
💰 Estimated build cost
$45K
↳ What it cost to build · not monthly revenue
Likely range $35K – $60K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~2 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 |
| ⚙ Utilities complexity ×0.85 | $-7575 |
Total estimate
$45K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$300K
↳ What it would sell for · not monthly revenue
Marketplace range $225K – $400K · 12× MRR multiple
💸
~6.7× 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 |
| 🏷 Utilities category multiple | -10% |
| ⭐ Small user base (<1K ratings) | -8% |
Final multiple
12× MRR
👥 Estimated audience size
47K
Lifetime downloads (US-equivalent)
Monthly active
9.4K
Daily active
1.8K
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 |
| 🔁 Utilities D30 retention | 20% |
| 📍 DAU / MAU stickiness | 0.20 |
DAU / MAU
19% sticky
🔬
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 · 50/100MID TIERunderperforming peersGrowth Velocity
5.0
Founder Strength
6.2
Product Quality
5.9
Revenue Strength
3.7
Monetization Maturity
1.0
Defensibility
6.0
Market Position
2.0
Operational Safety
10.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.22★ across 237 reviews — below category median.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: dev shipping weekly.
- ⚠️ 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 = $90K-$160K. Portfolio play ($32K/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 11 of 11 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 | |
| subscriptionREVIEW | +$2,500 | |
| bugsREVIEW | −$1,800 | |
| 5 starREVIEW | +$1,800 | |
| excellent appREVIEW | +$1,500 | |
| Mature app (9y old)METRIC | +$1,500 | |
| Multilingual (13 languages)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| slowREVIEW | −$1,200 | |
| Good rating (4.2★)METRIC | +$800 | |
| Early-stage install base (237 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 · v7.7.1
• Various stability and performance improvements
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Call Ranger: Mass Anrufblocker
- Developer
- Konstantinos Papadakis
- Bundle ID
- com.papadakis.callblocker
- App Store URL
- Open in App Store
- Category
- Utilities
- Content rating
- 4+
- Languages
- AR, EN, FR, DE, HI, IT, JA, KO, PT, ZH, ES, ZH, 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
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $24.3K/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 growth306 ratings+800% lifetimeShow 3-year history estimate ▾
Tracked (56 weeks) Pre-tracking estimate (33 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 → $4.99 (+0%)
🚀Update Frequency · Releases per Quarter6 releases tracked
🚀Version Release Timeline6 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
Block entire area codes, country codes, or any phone number range with Call Ranger!
We've built this call & SMS spam blocker that uses pattern matching with up to 12-digit wildcards and allows you to block billions of phone number combinations with just one rule!
GLOBAL EXAMPLES:
• US: "+1 415 XXX XXXX" → blocks +1 415 000 0000 to +1 415 999 9999
• China: "+86 10 XXXX XXXX" → blocks +86 10 0000 0000 to +86 10 9999 9999
• Japan: "+81 3 XXXX XXXX" → blocks +81 3 0000 0000 to +81 3 9999 9999
• South Korea: "+82 70 XXXX XXXX" → blocks +82 70 0000 0000 to +82 70 9999 9999… View full description on the official store →
We've built this call & SMS spam blocker that uses pattern matching with up to 12-digit wildcards and allows you to block billions of phone number combinations with just one rule!
GLOBAL EXAMPLES:
• US: "+1 415 XXX XXXX" → blocks +1 415 000 0000 to +1 415 999 9999
• China: "+86 10 XXXX XXXX" → blocks +86 10 0000 0000 to +86 10 9999 9999
• Japan: "+81 3 XXXX XXXX" → blocks +81 3 0000 0000 to +81 3 9999 9999
• South Korea: "+82 70 XXXX XXXX" → blocks +82 70 0000 0000 to +82 70 9999 9999… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 12 MB🔞 4+📱 iOS 13.0+🔖 v7.7.1🔄 updated 0d ago🌐 AR, EN, FR, DE, HI +8📂 Utilities💰 Paid
📅
What Worked™ · Development Pipeline
20 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 →
2026-07
🔧
Shipped update — v7.7.0 → v7.7.1
→ 30 days after: revenue +$14.3K/mo · reviews +18 high confidence
2026-07
🔧
Shipped update — v7.6.0 → v7.7.0
→ 30 days after: revenue +$14.3K/mo · reviews +24 high confidence
2026-06
🔧
Shipped update — v7.5.1 → v7.6.0
→ 30 days after: revenue +$14.3K/mo · reviews +35 high confidence
2026-06
🔧
Shipped update — v7.4.0 → v7.5.1
→ 30 days after: revenue +$14.3K/mo · reviews +31 high confidence
2026-06
🔧
Shipped update — v7.3.1 → v7.4.0
→ 30 days after: reviews +31 high confidence
2026-05
💲
Went paid — introduced $4.99 price point
→ 30 days after: reviews +24 high confidence
2026-05
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +24 high confidence
2026-05
⭐
Rating ↑ 3.15 → 4.22 (improved 1.07★)
→ 30 days after: reviews +24 high confidence
2026-03
⭐
Rating ↓ 3.80 → 3.15 (dropped 0.65★)
→ 30 days after: revenue +$123/mo medium · co-occurring
2026-03
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$123/mo medium · co-occurring
2026-03
⭐
Rating ↑ 3.14 → 3.80 (improved 0.66★)
→ 30 days after: revenue +$123/mo medium · co-occurring
2024-07
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$458/mo high confidence
2024-07
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$404/mo · rating −0.08★ high confidence
2018-03
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$223/mo high confidence
2018-02
⭐
Rating ↑ 2.25 → 2.56 (improved 0.31★)
→ 30 days after: revenue +$133/mo · rating +0.24★ high confidence
2017-05
⭐
Rating ↑ 2.00 → 2.60 (improved 0.60★)
→ 30 days after: revenue +$224/mo · rating +0.33★ medium · co-occurring
2017-04
⭐
Rating ↓ 2.33 → 2.00 (dropped 0.33★)
→ 30 days after: revenue +$224/mo · rating +0.33★ medium · co-occurring
2017-03
⭐
Rating ↑ 1.50 → 2.33 (improved 0.83★)
→ 30 days after: revenue +$90/mo · rating −0.33★ high confidence
2017-02
⭐
Rating ↑ 1.00 → 1.50 (improved 0.50★)
→ 30 days after: revenue +$224/mo · rating +1.33★ low · multiple changes
2017-01
🚀
First tracked snapshot — initial data captured
→ 30 days after: revenue +$101/mo · rating +0.50★ medium · co-occurring
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 4.11111★ | 27 | 4.11111★ this version |
| 🇧🇷 BR | 4.05263★ | 19 | 4.05263★ this version |
| 🇨🇦 CA | 3.8125★ | 32 | 3.8125★ this version |
| 🇩🇪 DE | 3.85246★ | 61 | 3.85246★ this version |
| 🇫🇷 FR | 4.5★ | 38 | 4.5★ this version |
| 🇬🇧 GB | 3.72222★ | 18 | 3.72222★ this version |
| 🇮🇳 IN | 4.59091★ | 22 | 4.59091★ this version |
| 🇯🇵 JP | 4.45833★ | 24 | 4.45833★ this version |
| 🇺🇸 US | 4.28383★ | 303 | 4.28383★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Call Ranger: Mass Anrufblocker: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Konstantinos Papadakis
View all →📦 Portfolio summaryINDIE studio
3apps·$32K/mocombined
Lead-app heavy — top app contributes 75%
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About this analysis
Why medium confidence: 237 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does Call Ranger make per month?▴
Based on our ML-calibrated revenue forecast, Call Ranger earns approximately $24K/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 Call Ranger?▴
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.
Who makes Call Ranger?▴
Call Ranger is published by Konstantinos Papadakis 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 Call Ranger's BU Score?▴
Call Ranger 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.