Rink - Call Recorder App
73
Quality Score
Strong
✍️ bumetric analysis
“
Rink - Call Recorder App is an iOS app from Madduck in the Business category, currently rated 4.4★ across 4,523 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 73: Strong (healthy traction). For a Business 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
$10.2K
per month
→
12-mo forecast
$10.6K – $22.1K
per month
→
24-mo forecast
$13.1K – $39.3K
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
$135K
↳ What it cost to build · not monthly revenue
Likely range $100K – $180K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~3 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 (247 MB) | +$40K |
| ⚙ Business complexity ×1.50 | +$45K |
Total estimate
$135K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$900K
↳ What it would sell for · not monthly revenue
Marketplace range $700K – $1.1M · 18× 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 |
| ⭐ ★ rating ≥ 4.4 (solid) | +8% |
| 🏷 Business category multiple | +10% |
Final multiple
18× MRR
👥 Estimated audience size
290K
Lifetime downloads (US-equivalent)
Monthly active
63K
Daily active
19K
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
| 📲 Business engagement | ~65 installs / rating |
| 🔁 Business D30 retention | 22% |
| 📍 DAU / MAU stickiness | 0.30 |
DAU / MAU
30% sticky
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$10.2K/mo · ML-estimated from 234 triggers
Growth rate
+4.0% MoM · MID tier baseline (compound monthly)
6 months
$9.7K – $16.1K
12 months
$10.6K – $22.1K
24 months
$13.1K – $39.3K
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 · 52/100MID TIERunderperforming peersRevenue Strength
4.0
Product Quality
8.0
Market Position
2.0
Growth Velocity
5.0
Defensibility
5.5
Operational Safety
10.0
Founder Strength
5.9
Monetization Maturity
1.0
- 💰 Revenue: Modest — $7K - $15K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.44★ across 4,523 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 = $183K-$326K. Portfolio play ($83K/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 12 of 12 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 | |
| 5 starREVIEW | +$1,800 | |
| securityREVIEW | +$1,800 | |
| cancelledREVIEW | −$1,500 | |
| excellent appREVIEW | +$1,500 | |
| Low install base (4,523 ratings)METRIC | +$1,500 | |
| Multilingual (33 languages)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| intuitive designREVIEW | +$1,000 | |
| Good rating (4.4★)METRIC | +$800 | |
| Established app (7y old)METRIC | +$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 · v10.0.77
Minor bug fixes
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Rink - Call Recorder App
- Developer
- Madduck
- Bundle ID
- com.madduck.callrecorder
- App Store URL
- Open in App Store
- Category
- Business
- Content rating
- 4+
- Languages
- AR, CA, HR, CS, DA, NL, EN, FI, FR, DE, EL, HE, HI, HU, ID, IT, JA, KO, MS, NB, PL, PT, RO, RU, ZH, SK, ES, SV, TH, ZH, TR, UK, 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
- $49.1K/mo
- Top-grossing rank
- 🇯🇵#37 /100
- 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 growth4,523 ratings+12823% lifetimeShow 3-year history estimate ▾
Tracked (60 weeks) Pre-tracking estimate (36 weeks) · model-based, ±5% noise · anchored to release date and current value
🗺️Geographic Distribution1 of 9 markets
🇯🇵
JP
Top-grossing rank: #37 / 100
Other markets
Outside top 100
in US, GB, DE, FR, JP, CA, AU, BR, IN
in US, GB, DE, FR, JP, CA, AU, BR, IN
This app currently ranks in only one of the 9 markets we monitor. Niche or regional apps often launch this way before global rollout. Rankings update daily.
📊Category Rank Trajectory#37 now · best #33 · 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 Quarter2 releases tracked
🚀Version Release Timeline2 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
Welcome to Call Recorder App, a trailblazer in the realm of call recording and transcription apps. With an intuitive design and state-of-the-art technology, Call Recorder App enables you to effortlessly capture, archive, and replay your phone conversations, ensuring every word is accounted for.
But Call Recorder App is more than a call recorder - it's a game-changer. With a robust transcription feature, it breathes new life into your calls by transmuting audio interactions into text documents.… View full description on the official store →
But Call Recorder App is more than a call recorder - it's a game-changer. With a robust transcription feature, it breathes new life into your calls by transmuting audio interactions into text documents.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 247 MB🔞 4+📱 iOS 15.0+🔖 v10.0.77🔄 updated 0d ago🌐 AR, CA, HR, CS, DA +28📂 Business💰 Paid
📅
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 →
2026-06
🔧
Shipped update — v10.0.76 → v10.0.77
2026-05
⭐
Rating ↑ 3.83 → 4.44 (improved 0.61★)
2026-05
🔄
Monetization changed: paid → free
2026-03
⭐
Rating ↑ 3.53 → 3.83 (improved 0.30★)
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
2020-09
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$61/mo · rating +0.08★ · reviews +14 high confidence
2020-09
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$80/mo · rating +0.05★ · reviews +19 medium · co-occurring
2020-01
📈
Crossed 50 ratings — social-proof flywheel kicking in
2020-01
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +9 medium · co-occurring
2019-10
⭐
Rating ↑ 3.86 → 4.40 (improved 0.54★)
→ 30 days after: rating +0.06★ · reviews +11 medium · co-occurring
2019-08
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: rating +0.09★ high confidence
2019-08
⭐
Rating ↑ 1.00 → 1.80 (improved 0.80★)
→ 30 days after: rating +0.09★ high confidence
2018-12
🚀
First tracked snapshot — initial data captured
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇺🇸 US | 4.44356★ | 4,518 | 4.44356★ this version |
| 🇬🇧 GB | 3.84286★ | 350 | 3.84286★ this version |
| 🇩🇪 DE | 3.60185★ | 216 | 3.60185★ this version |
| 🇫🇷 FR | 3.84364★ | 275 | 3.84364★ this version |
| 🇯🇵 JP | 3.74833★ | 3,453 | 3.74833★ this version |
| 🇨🇦 CA | 4.15251★ | 918 | 4.15251★ this version |
| 🇦🇺 AU | 4.2234★ | 564 | 4.2234★ this version |
| 🇧🇷 BR | 3.88773★ | 766 | 3.88773★ this version |
| 🇮🇳 IN | 3.6305★ | 1,659 | 3.6305★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Rink - Call Recorder App: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Madduck
View all →📦 Portfolio summaryINDIE studio
2apps·$83K/mocombined
Lead-app heavy — top app contributes 59%
About this analysis
Why medium confidence: 4,523 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does Rink - Call Recorder App make per month?▴
Based on our ML-calibrated revenue forecast, Rink - Call Recorder App earns approximately $49K/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 Rink - Call Recorder App?▴
Browse the full Business 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 Rink - Call Recorder App?▴
Rink - Call Recorder App is published by Madduck 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 Rink - Call Recorder App's BU Score?▴
Rink - Call Recorder App has a BU Score of 73/100 (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.