55
Quality Score
Solid
Fax App
✍️ bumetric analysis
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Fax App is an Android app from The AppDev Studio in the Productivity category, currently rated 4.1★ across 512 ratings. Initial signal reads as mostly critical sentiment so far: users flag rough edges and unmet expectations.
Quality Score is 55: Solid (established niche player). For a Productivity 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.
💰 Revenue · today and ahead
Today
$5.0K/mo
In 12 months
$5.2K – $10.8K
In 24 months
$6.4K – $19.2K
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
$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 |
| 💎In-app purchase plumbing | +$9K |
| ⚙Productivity complexity ×1.10 | +$5K |
| 🌐Cross-platform reach (iOS + Android) | +$35K |
| ⚙5.1y maintenance × ~1-person team | +$30K |
Total estimate$130K
👥 Estimated audience size
28K
Lifetime downloads (US-equivalent)
Monthly active
6.9K
Daily active
3.1K
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
| 📲Productivity engagement | ~75 installs / rating |
| 📅5.1y of rating accumulation | -25% |
| 🔁Productivity D30 retention | 30% |
| 📍DAU / MAU stickiness | 0.45 |
DAU / MAU45% 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 | Productivity |
| 📦Compact Android bundle | → Native Kotlin |
💀 Maintenance status
At risk
50%
Last shipped 2025-10-14 · 221 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
| 📅7 months since last update | Concerning gap |
VerdictAt risk
🔬
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 peersRevenue Strength
3.7
Product Quality
5.8
Market Position
0.0
Growth Velocity
5.0
Defensibility
7.3
Operational Safety
9.0
Founder Strength
5.7
Monetization Maturity
4.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.11★ across 512 reviews — below category median.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: last update 221d ago — slow cadence.
- ⚠️ 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 ($9K/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:
| Good rating (4.1★)METRIC | +$800 | |
| Established app (5y old)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Early-stage install base (512 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.
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v1.1.12🔄 updated 7mo ago📂 Productivity💰 Free💎 IAP $9.99 - $49.99 per item🚀 Launched 2021 (5y old)
📝 About this app
No need to use fax machine anymore. Send fax from smartphone - Fax App is an excellent mobile fax solution always in your pocket!
Fax App is HIPAA - compliant so it is great app for sending medical records.
Easy-to-use, fast and secure fax app on-the-go. Import or scan documents, invoices, receipts or notes and send them worldwide in just a few taps. Built-in advanced scanner will turn all your files into fax-ready documents.
Key Features:
- Send fax in 60+ countries
- Create high quality documents with image correction tool
- Powerful Document Scanner… View full description on the official store →
Fax App is HIPAA - compliant so it is great app for sending medical records.
Easy-to-use, fast and secure fax app on-the-go. Import or scan documents, invoices, receipts or notes and send them worldwide in just a few taps. Built-in advanced scanner will turn all your files into fax-ready documents.
Key Features:
- Send fax in 60+ countries
- Create high quality documents with image correction tool
- Powerful Document Scanner… 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
- Fax App
- Developer
- The AppDev Studio
- Bundle ID
- com.topapp.faxapp
- App Store URL
- Open in App Store
- Category
- Productivity
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- www.topapp.si
- 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
- $126/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $9.99 - $49.99 per item
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 growth512 ratings+88% lifetimeShow 3-year history estimate ▾
Tracked (1 weeks) Pre-tracking estimate (35 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.
More by The AppDev Studio
View all →📦 Portfolio summaryINDIE studio
5apps·$9K/mocombined
✓ Diversified — top app contributes 40%; risk spread across portfolio
Similar apps in Productivity
Full revenue analysis
Read the article-style breakdown for Fax App: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
❓ Frequently Asked Questions
9 answers · auto-generated from this app's public dataHow much does Fax App make per month?▾
Based on our ML-calibrated revenue forecast, Fax App earns approximately $125/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 Fax App profitable?▾
With estimated build cost $130K and monthly revenue $125, Fax App looks well below break-even — current monthly revenue is much smaller than the estimated build cost. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does Fax App have?▾
Estimated audience: ~28K lifetime downloads, ~6K monthly active users, and ~3K 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 Fax App?▾
Browse the full Productivity 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 Fax App built with?▾
Our heuristic places Fax App 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 Fax App still actively maintained?▾
Maintenance status: At risk (50% abandonment risk). Last shipped version was 7 months ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
When was Fax App last updated?▾
Fax App last shipped a new version on 2025-10-14 — 7 months ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Fax App?▾
Fax App is published by The AppDev Studio 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 Fax App's BU Score?▾
Fax App has a BU Score of 55/100 (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.