Nostalgie
65
Quality Score
Solid
Nostalgie
Medium confidence
✍️ bumetric analysis
“
Nostalgie is an Android app from NOSTALGIE BELGIQUE in the Music & Audio category, currently rated 5.0★ across 1,078 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 65: Solid (established niche player). For a Music & Audio 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
$200
per month
→
12-mo forecast
$100 – $931
per month
→
24-mo forecast
$100 – $2790
per month
MICRO 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
$115K
↳ What it cost to build · not monthly revenue
Likely range $85K – $155K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Slow ROI — current MRR is well below build cost
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
👥 Estimated audience size
140K
Lifetime downloads (US-equivalent)
Monthly active
28K
Daily active
14K
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 / MAU
50% sticky
🔬
How we forecast this revenue
LOW CONFIDENCEBaseline
$200/mo · ML-estimated from 234 triggers
Growth rate
+8.0% MoM · MICRO tier baseline (compound monthly)
6 months
$127 – $508
12 months
$100 – $931
24 months
$100 – $2.8K
Compound growth at +8.0% MoM (tier baseline for MICRO). Range widens with horizon — typical noise band ±60% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Insufficient data · 39/100MICRO TIERtoo early to scoreGrowth Velocity
5.0
Founder Strength
3.9
Product Quality
5.9
Revenue Strength
2.3
Monetization Maturity
1.0
Defensibility
3.5
Market Position
0.0
Operational Safety
10.0
- 💰 Revenue: Marginal — $0 - $500/mo · MICRO tier · indicative confidence, trajectory unclear.
- ⭐ Quality: 4.2★ across 901 reviews — below category median.
- 📍 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 = $3K-$6K. Portfolio play ($725/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 4 of 4 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Excellent rating (5.0★)METRIC | +$2,200 | |
| Low install base (1,078 ratings)METRIC | +$1,500 | |
| Mature app (11y old)METRIC | +$1,500 | |
| 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.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Nostalgie
- Developer
- NOSTALGIE BELGIQUE
- Bundle ID
- air.be.nostalgie.App
- App Store URL
- Open in App Store
- Category
- Music & Audio
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- www.nostalgie.be
- 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
- $499/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.
📈Ratings growth1,078 ratings+7% lifetimeShow 3-year history estimate ▾
Tracked (1 weeks) Pre-tracking estimate (36 weeks) · model-based, ±5% noise · anchored to release date and current value
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
NOW ALSO IN YOUR CAR
With our new Android Auto compatible application, your radios and podcasts also accompany you in the car.
RADIO
Choose from more than 20 thematic radio stations and switch from one to another with just one click. Whether you like the 60s, 70s, 80s, 90s, French songs or even rock or jazz, there is something for everyone!
Access our featured radio stations and discover radio stations from our other brands.
PODCASTS
Also find podcasts of your music, cinema, TV sequences, etc. to listen to wherever and whenever you want!… View full description on the official store →
With our new Android Auto compatible application, your radios and podcasts also accompany you in the car.
RADIO
Choose from more than 20 thematic radio stations and switch from one to another with just one click. Whether you like the 60s, 70s, 80s, 90s, French songs or even rock or jazz, there is something for everyone!
Access our featured radio stations and discover radio stations from our other brands.
PODCASTS
Also find podcasts of your music, cinema, TV sequences, etc. to listen to wherever and whenever you want!… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →🔖 vVaries with device🔄 updated 0d ago📂 Music & Audio💰 Free📺 Ad-supported
🔔
Track this app’s revenue
FREEGet an email when revenue moves by your threshold. No spam, unsubscribe in one click.
📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Nostalgie: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by NOSTALGIE BELGIQUE
View all →📦 Portfolio summaryINDIE studio
2apps·$725/mocombined
Lead-app heavy — top app contributes 69%
Similar apps in Music & Audio
About this analysis
Why medium confidence: 1,078 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does Nostalgie make per month?▴
Based on our ML-calibrated revenue forecast, Nostalgie earns approximately $499/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 Nostalgie?▴
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.
Who makes Nostalgie?▴
Nostalgie is published by NOSTALGIE BELGIQUE 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 Nostalgie's BU Score?▴
Nostalgie has a BU Score of 65/100 (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.