UMAIL
32
Quality Score
Emerging
✍️ Bumetric analysis
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UMAIL is an Android app from Nhan Hoa Software Company, currently rated 2.4★ across 34 ratings. Initial signal reads as mostly critical sentiment so far: users flag rough edges and unmet expectations.
Quality Score is 32: Emerging (early traction worth watching). For an app like this, that means early traction worth watching. 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.
💰 Forecast monthly revenue
—/mo
Founder-confirmed monthly revenue
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
1 snapshots on record
Rating
2.4
Reviews
34 reviews
Forecast Revenue / mo
—
Snapshots tracked
1
since Sep 2026
📊
BU Investment Matrix
Insufficient data · 24/100MICRO TIERtoo early to scoreGrowth Velocity
5.0
Founder Strength
3.0
Product Quality
1.9
Revenue Strength
0.0
Monetization Maturity
1.0
Defensibility
3.5
Market Position
0.0
Operational Safety
5.0
- 💰 Revenue: Pre-revenue or unknown — $0 - $500/mo · MICRO tier · indicative confidence, trajectory unclear.
- ⭐ Quality: 2.4★ across 34 reviews — weak — significant quality concerns.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 925d ago — possibly dormant.
- ⚠️ Risk: Elevated — dormant (925d since update).
🎯 For competitors: Vulnerable. Quality drift + slow updates create a clear opening for a fresh competitor with active dev cadence.
💵 For acquirers: No verified revenue — acquisition only makes sense for tech / userbase / brand.
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:
| Below-average rating (2.4★)METRIC | −$1,500 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Pre-traction phase (34 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
- UMAIL
- Developer
- Nhan Hoa Software Company
- Bundle ID
- com.nh.umail
- App Store URL
- Not found
- Category
- Not found
- 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
- Reported revenue signal / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- Model estimate / mo
- Not found
- 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.
📝 About this app
UMail - Free email application for businesses developed by Nhan Hoa Software Co., Ltd.
UMail with an intuitive interface, easy to use helps users can send / receive, check mail, share photos and documents quickly, anytime, anywhere.
- Receive new emails instantly with modern push notifications
- Sync all emails between all devices
- Find information easily and quickly
- Organize your inbox neatly by flagging, moving to specified folders or deleting messages
- Compatible on all device platforms
- Encrypted data helps keep your information safe… View full description on the official store →
UMail with an intuitive interface, easy to use helps users can send / receive, check mail, share photos and documents quickly, anytime, anywhere.
- Receive new emails instantly with modern push notifications
- Sync all emails between all devices
- Find information easily and quickly
- Organize your inbox neatly by flagging, moving to specified folders or deleting messages
- Compatible on all device platforms
- Encrypted data helps keep your information safe… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v2.2.5🔄 updated 2y ago💰 Free / Ads / IAP
🔔
Track this app’s revenue
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ONE-TIME · BUILD
💰 Estimated build cost
$80K
↳ What it cost to build · not monthly revenue
Likely range $60K – $110K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
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 |
| 🌐 Cross-platform reach (iOS + Android) | +$27K |
Total estimate
$80K
🛠 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 | category |
| 📦 Compact Android bundle | → Native Kotlin |
💀 Maintenance status
Likely abandoned
88%
Last shipped 2024-03-18 · 927 days ago
0 · Active
50 · At risk
100 · 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
| 📅 2y+ since last update | Likely abandoned |
Verdict
Likely abandoned
📝 Description
95
BU Score · Transcendent
More by Nhan Hoa Software Company
View all →📦 Portfolio summaryINDIE studio
2apps·$144/mocombined
⚠ Concentrated — top app contributes 100% of combined revenue (single-app dependency)
About this analysis
Why low confidence: only 34 ratings · no founder-verified revenue (model estimate only) · revenue figure is directional only.
❓ Frequently Asked Questions
5 answers · auto-generated from this app's public dataWhat is UMAIL built with?▴
Our heuristic places UMAIL 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 UMAIL still actively maintained?▴
Maintenance status: Likely abandoned (88% abandonment risk). Last shipped version was 2+ years ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
When was UMAIL last updated?▴
UMAIL last shipped a new version on 2024-03-18 — more than 2 year(s) ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes UMAIL?▴
UMAIL is published by Nhan Hoa Software Company 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 UMAIL's BU Score?▴
UMAIL has a BU Score of 32/100 (Emerging). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.