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Mail: Email, Cloud, Calendar

80
Quality Score
Excellent

Mail: Email, Cloud, Calendar

High confidence
4.2 ✍️ Editor
✍️ bumetric analysis

This Android communication app, Mail: Email, Cloud, Calendar, targets users seeking an all-in-one productivity suite, directly competing with established players like Gmail, Outlook, and potentially even broader productivity apps that integrate calendar and cloud storage. The substantial number of ratings, exceeding 3.7 million, combined with a solid average rating above 4.1, indicates significant user traction and a mature product with a large, engaged user base. Operating on a free monetization model, its growth stage is likely focused on market share expansion and user retention within a highly competitive segment. For communication apps of this scale, typical monetization often involves premium subscription tiers for advanced features like expanded cloud storage, ad-free experiences, or enhanced AI capabilities, rather than direct per-download charges. The challenge lies in converting a portion of the vast free user base to paying subscribers without alienating the core audience.

BU Score 80 · Excellent — strong product-market fit. The full Investment Matrix below scores 8 dimensions including monetisation, growth, and operational risk.

Track snapshot history and revenue forecast in the Performance section below.

💰 Monthly revenue · now vs forecast
● Right now
$700K
per month
12-mo forecast
$741K – $1141K
per month
24-mo forecast
$886K – $1645K
per month
BIG tier
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Typical impact: +2-5× organic installs
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📊 Performance Tracking LIVE

Loading…
idle
0%
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
📈 Pays back in ~1.6y 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
Communication complexity ×1.65 +$32K
🌐 Cross-platform reach (iOS + Android) +$45K
Total estimate $130K
ONE-TIME · EXIT VALUE 💵 Estimated acquisition value
$125K
What it would sell for · not monthly revenue
Marketplace range $75K – $150K · 17× MRR multiple
💸 ~1.0× 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
🏷 Communication category multiple +5%
Mature user base (1M+ ratings) +8%
Final multiple 17× MRR
👥 Estimated audience size
361.5M
Lifetime downloads (US-equivalent)
Monthly active
108.0M
Daily active
64.5M

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
📲 Communication engagement ~95 installs / rating
🔁 Communication D30 retention 30%
📍 DAU / MAU stickiness 0.60
DAU / MAU 60% sticky
🔬

How we forecast this revenue

MEDIUM CONFIDENCE
Baseline
$700K/mo · ML-estimated from 234 triggers
Growth rate
+2.5% MoM · BIG tier baseline (compound monthly)
6 months
$690K – $933K
12 months
$741K – $1.1M
24 months
$886K – $1.6M
Compound growth at +2.5% MoM (tier baseline for BIG). Range widens with horizon — typical noise band ±15% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊

BU Investment Matrix

Concerning · 53/100BIG TIERbelow benchmarks
GrowthFounderQualityRevenueMonetiz.MoatMarketSafety
Growth Velocity
5.0
Founder Strength
6.1
Product Quality
8.3
Revenue Strength
5.8
Monetization Maturity
1.0
Defensibility
6.0
Market Position
0.0
Operational Safety
10.0
  • 💰 Revenue: Healthy — $280K - $1540K/mo · BIG tier · medium-low confidence, trajectory unclear.
  • ⭐ Quality: 4.17★ across 3,805,944 reviews — strong (top 10%).
  • 📍 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 = $12.6M-$22.4M.
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

MODEL
Revenue 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:
High install base (3,805,944 ratings)METRIC
+$12,000
Mature app (13y old)METRIC
+$1,500
Good rating (4.2★)METRIC
+$800
Ad-supported / freemiumMETRIC
+$600
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 Reviews Growth

LIVE
Cumulative review count from first BU snapshot. Each point = a tracked update.

⭐ Rating Trend

LIVE
Average 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
Mail: Email, Cloud, Calendar
Developer
VKL
Bundle ID
ru.mail.mailapp
App Store URL
Open in App Store
Category
Communication
Content rating
Not found
Languages
Not found

Company

Website
trk.mail.ru
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
$6.8K/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 growth3,805,944 ratings+33% lifetimeShow 3-year history estimate ▾Jul 2023Feb 2025Jul 2026
Tracked (2 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
🚀Version Release Timeline2 releases tracked
v15.85.0.138046May 2026v15.90.1.140655Jun 2026
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

Mail is now more than just an email client. Mail is a set of services for a productive life and work. For you in a single application: fast Mail service, a convenient Calendar, Notes, Cloud for photos, Documents, Shopping, News.

Add accounts from other email clients to your mail: Yandex.Mail, Microsoft Outlook, Gmail from Google, Hotmail, Rambler, Yahoo - and switch between them with one click.

Brief summaries of long letters. Let the neural network in the Mail app read all your long emails and give you a quick summary of the context so you don't waste time.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →
🔖 v15.90.1.140655🔄 updated 0d ago📂 Communication💰 Free📺 Ad-supported
📅

What Worked™ · Development Pipeline

2 EVENTS TRACKED
Detected changes in this app over its tracked lifetime — each event links cause (what changed) to effect (what moved). Sorted newest first.See full history →Version history →
2026-06
🔧
Shipped update — v15.85.0.138046 → v15.90.1.140655
→ 30 days after: reviews +18,390 medium · co-occurring
2026-05
🚀
First tracked snapshot — initial data captured
→ 30 days after: reviews +18,390 high confidence
🔔

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📝 Description

95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Mail: Email, Cloud, Calendar: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
Read deep-dive →

More by VKL

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📦 Portfolio summaryINDIE studio
4apps·$25K/mocombined
✓ Diversified — top app contributes 33%; risk spread across portfolio

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About this analysis
ZCAnalyzed by Zakhar Chumak · founder, bumetric·Full methodology·High confidence

Why high confidence: 3,805,944 ratings · no founder-verified revenue (model estimate only).

Frequently Asked Questions

4 answers · auto-generated from this app's public data
How much does Mail make per month?
Based on our ML-calibrated revenue forecast, Mail earns approximately $6.8K/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 Mail?
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 Mail?
Mail is published by VKL 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 Mail's BU Score?
Mail 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.