80
Quality Score
Excellent
Cifra Club Tuner
High confidence
✍️ bumetric analysis
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Cifra Club Tuner is an Android app from Studio Sol Comunicação Digital in the Music & Audio category, currently rated 4.7★ across 396,785 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 80: Excellent (strong product-market fit). For a Music & Audio app, that means strong product-market fit. 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
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
ONE-TIME · BUILD💰 Estimated build cost
$115K
↳ What it cost to build · not monthly revenue
Likely range $85K – $155K
$25K · MVP floor$100K · indie scale$500K+ · studio build
📈Pays back in ~2.7y 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 |
| ⚙Music & Audio complexity ×1.45 | +$22K |
| 🌐Cross-platform reach (iOS + Android) | +$40K |
Total estimate$115K
ONE-TIME · EXIT VALUE💵 Estimated acquisition value
$75K
↳ What it would sell for · not monthly revenue
Marketplace range $50K – $75K · 18× MRR multiple
💸~0.7× 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 |
| ⭐★ rating ≥ 4.7 (premium) | +15% |
| ⭐Mature user base (100K+ ratings) | +5% |
Final multiple18× MRR
👥 Estimated audience size
51.5M
Lifetime downloads (US-equivalent)
Monthly active
10.0M
Daily active
5.0M
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
| 📲Music & Audio engagement | ~130 installs / rating |
| 🔁Music & Audio D30 retention | 20% |
| 📍DAU / MAU stickiness | 0.50 |
DAU / MAU50% 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 | Music & Audio |
| 📦Compact Android bundle | → Native Kotlin |
💀 Maintenance status
Active
15%
Last shipped 2026-03-18 · 67 days ago
0 · Active50 · At risk100 · 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
| 📅67 days since last update | Healthy release cadence |
VerdictActive
🔬
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 · 51/100MID TIERunderperforming peersGrowth Velocity
5.0
Founder Strength
6.8
Product Quality
9.4
Revenue Strength
3.7
Monetization Maturity
1.0
Defensibility
5.0
Market Position
0.0
Operational Safety
10.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.72★ across 396,785 reviews — exceptional (top 1% in category).
- 📍 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 = $90K-$160K. Portfolio play ($20K/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 3 of 3 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| High install base (396,785 ratings)METRIC | +$12,000 | |
| Excellent rating (4.7★)METRIC | +$2,200 | |
| 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.
App Specs
🔐 Own this app? Claim & verify MRR →🔖 vVaries with device🔄 updated 2mo ago📂 Music & Audio💰 Free
📝 About this app
With the Cifra Club Tuner it is very simple to tune your guitar! Just play a string and tighten or loosen it as indicated.
Also tune your bass, cavaquinho, banjo, ukulele, violin, viola, cello or any other stringed instrument.
<b>Chromatic tuner</b>
Tighten or loosen the string until the pointer is centered and green to the desired tone. If it turns orange you should tighten it, and if it turns red you should loosen it.
<b>String to string tuner</b>
Choose the string and start the tuning process step by step.… View full description on the official store →
Also tune your bass, cavaquinho, banjo, ukulele, violin, viola, cello or any other stringed instrument.
<b>Chromatic tuner</b>
Tighten or loosen the string until the pointer is centered and green to the desired tone. If it turns orange you should tighten it, and if it turns red you should loosen it.
<b>String to string tuner</b>
Choose the string and start the tuning process step by step.… View full description on the official store →
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Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Cifra Club Tuner
- Developer
- Studio Sol Comunicação Digital
- Bundle ID
- com.studiosol.afinadorlite
- App Store URL
- Open in App Store
- Category
- Music & Audio
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- Not found
- Tagline
- Not found
- Description
- Not found
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $3.6K/mo
- Top-grossing rank
- Not found
- 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.
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.
More by Studio Sol Comunicação Digital
View all →📦 Portfolio summaryINDIE studio
7apps·$20K/mocombined
✓ Diversified — top app contributes 28%; risk spread across portfolio
Similar apps in Music & Audio
Full revenue analysis
Read the article-style breakdown for Cifra Club Tuner: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
About this analysis
Why high confidence: 396,785 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
10 answers · auto-generated from this app's public dataHow much does Cifra Club Tuner make per month?▴
Based on our ML-calibrated revenue forecast, Cifra Club Tuner earns approximately $3.6K/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 Cifra Club Tuner profitable?▴
With estimated build cost $115K and monthly revenue $3.6K, Cifra Club Tuner looks break-even-grade — payback period sits around 2.7 years. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does Cifra Club Tuner have?▴
Estimated audience: ~51.5M lifetime downloads, ~10.0M monthly active users, and ~5.0M 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 Cifra Club Tuner?▴
Browse the full Music & Audio 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 Cifra Club Tuner built with?▴
Our heuristic places Cifra Club Tuner 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 Cifra Club Tuner still actively maintained?▴
Maintenance status: Active (15% abandonment risk). Last shipped version was 2 months ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
How much would Cifra Club Tuner sell for?▴
Estimated acquisition value: $75K (marketplace range $50K – $75K). Calculated as 18× 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 Cifra Club Tuner last updated?▴
Cifra Club Tuner last shipped a new version on 2026-03-18 — 2 months ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Cifra Club Tuner?▴
Cifra Club Tuner is published by Studio Sol Comunicação Digital 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 Cifra Club Tuner's BU Score?▴
Cifra Club Tuner has a BU Score of 80/100 (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.