Mumla (Donation/Legacy)
63
Quality Score
Solid
Mumla (Donation/Legacy)
Low confidence
✍️ bumetric analysis
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Mumla (Donation/Legacy) is an Android app from Lublin in the Communication category, currently rated 5.0★ across 36 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 63: Solid (established niche player). For a Communication 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
$130K
↳ What it cost to build · not monthly revenue
Likely range $100K – $175K
$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 |
| ⚙ Communication complexity ×1.65 | +$32K |
| 🌐 Cross-platform reach (iOS + Android) | +$45K |
Total estimate
$130K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$30K
↳ What it would sell for · not monthly revenue
Marketplace range $20K – $40K · 17× MRR multiple
💸
~0.2× 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% |
| 🏷 Communication category multiple | +5% |
| ⭐ Small user base (<1K ratings) | -8% |
Final multiple
17× MRR
🔬
How we forecast this revenue
LOW CONFIDENCEBaseline
$200/mo · ML-estimated from 234 triggers
Growth rate
+8.0% MoM · MICRO tier baseline (compound monthly)
Direction
Headwinds: rating drift may slow acquisition
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 · 36/100MICRO TIERtoo early to scoreRevenue Strength
2.3
Product Quality
4.0
Market Position
0.0
Growth Velocity
5.0
Defensibility
5.0
Operational Safety
7.0
Founder Strength
4.3
Monetization Maturity
1.0
- 💰 Revenue: Marginal — $0 - $500/mo · MICRO tier · indicative confidence, trajectory unclear.
- ⭐ Quality: 5.0★ across 36 reviews — weak — significant quality concerns.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 496d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (496d 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 = $3K-$6K. Portfolio play ($2K/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:
| Paid app ($5.99)METRIC | +$2,800 | |
| Excellent rating (5.0★)METRIC | +$2,200 | |
| Established app (6y old)METRIC | +$800 | |
| Pre-traction phase (36 ratings)METRIC | −$300 |
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
- Mumla (Donation/Legacy)
- Developer
- Lublin
- Bundle ID
- se.lublin.mumla.donation
- App Store URL
- Open in App Store
- Category
- Communication
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- mumla-app.gitlab.io
- 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
- $1.8K/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 growth36 ratings+71% lifetimeShow 3-year history estimate ▾
Tracked (1 weeks) Pre-tracking estimate (37 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
⚠️ Legacy donation version — no longer actively developed.
Development and updates continue in the regular version of Mumla: https://play.google.com/store/apps/details?id=se.lublin.mumla
If you previously supported development by purchasing this app, thank you! ❤️ You can contact us over email with your Google Play order ID (GPA.*) and we’ll try to redeem you inside the regular version.
---
Mumla is a client for the voice chat system Mumble. Connect to one of the many public Mumble-servers run by the community, or host one yourself (see https://www.mumble.info for more info).… View full description on the official store →
Development and updates continue in the regular version of Mumla: https://play.google.com/store/apps/details?id=se.lublin.mumla
If you previously supported development by purchasing this app, thank you! ❤️ You can contact us over email with your Google Play order ID (GPA.*) and we’ll try to redeem you inside the regular version.
---
Mumla is a client for the voice chat system Mumble. Connect to one of the many public Mumble-servers run by the community, or host one yourself (see https://www.mumble.info for more info).… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v3.6.15🔄 updated 0d ago📂 Communication💰 Free
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📝 Description
95
BU Score · Transcendent
More by Lublin
View all →📦 Portfolio summaryINDIE studio
2apps·$2K/mocombined
⚠ Concentrated — top app contributes 86% of combined revenue (single-app dependency)
Similar apps in Communication
About this analysis
Why low confidence: only 36 ratings · no founder-verified revenue (model estimate only) · revenue figure is directional only.
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does Mumla (Donation/Legacy) make per month?▴
Based on our ML-calibrated revenue forecast, Mumla (Donation/Legacy) earns approximately $1.8K/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 Mumla (Donation/Legacy)?▴
Browse the full Communication 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 Mumla (Donation/Legacy)?▴
Mumla (Donation/Legacy) is published by Lublin 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 Mumla (Donation/Legacy)'s BU Score?▴
Mumla (Donation/Legacy) has a BU Score of 63/100 (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.