GMX - Mail & Cloud
80
Quality Score
Excellent
✍️ Bumetric analysis
“
GMX - Mail & Cloud is an Android app from GMX in the Communication category, currently rated 4.5★ across 842,100 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 80: Excellent (strong product-market fit). For a Communication app, that means strong product-market fit. 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
$700K
per month
→
12-mo forecast
$741K – $1141K
per month
→
24-mo forecast
$886K – $1645K
per month
BIG 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
6 snapshots on record
Rating
4.5
Reviews
842,100 reviews
Forecast Revenue / mo
$700K
Snapshots tracked
6
since May 2026
ONE-TIME · BUILD
💰 Estimated build cost
$250K
↳ What it cost to build · not monthly revenue
Likely range $190K – $340K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in under a month 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 |
| 💎 In-app purchase plumbing | +$9K |
| ⚙ Communication complexity ×1.65 | +$38K |
| 🌐 Cross-platform reach (iOS + Android) | +$53K |
| ⚙ 16.3y maintenance × ~1-person team | +$97K |
Total estimate
$250K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$28.0M
↳ What it would sell for · not monthly revenue
Marketplace range $21.0M – $36.5M · 40× MRR multiple
💸
~112× return on build cost
Synthetic estimate. Multiple band derived from iap / freemium model + 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
| 💎 IAP / freemium model base | 28× MRR |
| 📅 16.3y proven track record | +20% |
| ⭐ ★ rating ≥ 4.4 (solid) | +8% |
| 🏷 Communication category multiple | +5% |
| ⭐ Mature user base (100K+ ratings) | +5% |
Final multiple
40× MRR
👥 Estimated audience size
55.5M
Lifetime downloads (US-equivalent)
Monthly active
3.3M
Daily active
1.9M
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 |
| 📅 16.3y of rating accumulation | -30% |
| 🔁 Communication D30 retention | 30% |
| 📍 DAU / MAU stickiness | 0.60 |
DAU / MAU
59% 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 | Communication |
| 📦 Compact Android bundle | → Native Kotlin |
💀 Maintenance status
Active
5%
Last shipped 2026-10-02 · 13 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
| 📅 13 days since last update | Active development |
Verdict
Active
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$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
Mixed signals · 60/100BIG TIERcompetitive but cautiousGrowth Velocity
5.0
Founder Strength
4.3
Product Quality
9.0
Revenue Strength
5.8
Monetization Maturity
5.0
Defensibility
8.5
Market Position
0.0
Operational Safety
10.0
- 💰 Revenue: Healthy — $280K - $1540K/mo · BIG tier · medium-low confidence, trajectory unclear.
- ⭐ Quality: 4.49★ across 842,100 reviews — strong (top 10%).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: dev shipping weekly.
- ⚠️ Risk: Low — no material risk signals detected.
🎯 For competitors: Strong subscription moat. Hard to outcompete on retention. Better angle: free alternative with one-time purchase, or feature parity for an underserved sub-niche.
💵 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
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 6 of 6 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| High install base (842,100 ratings)METRIC | +$12,000 | |
| bugsREVIEW | −$1,800 | |
| Mature app (16y old)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| Good rating (4.5★)METRIC | +$800 | |
| 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
- GMX - Mail & Cloud
- Developer
- GMX
- Bundle ID
- de.gmx.mobile.android.mail
- App Store URL
- Open in App Store
- Category
- Communication
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- www.gmx.net
- 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
- $287.9K ($216.5K – $359.4K)AI medium
- AI annual estimate
- $3.5M/yr
- Model estimate / mo
- $700K/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $0.99 - $89.99 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.
✨AI Revenue EstimateCONFIDENCE: MEDIUM
The Android app "GMX - Mail & Cloud" in Germany is estimated to generate between $216,500 and $359,390 in monthly revenue, based on Sensor Tower data from Q3 2025, with an annual estimate of approximately $3.46 million. The GMX Mail service is primarily free and ad-supported, offering premium features for German users.
Sources mentioned: Sensor Tower, Prospeo, TechRadar, BillionVerify, Litmus
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
Simple, secure & up to date
With the official GMX app, you have anytime access to emails, photos*, files* and the latest news from around the world.
Intuitive and secure
Your email inbox is clearly organized by category, filters unwanted newsletters and displays online orders and parcel tracking (e.g. Deutsche Post, DHL) at a glance.
Easily store and share your photos and files in the integrated cloud*, protected by GMX’s proven security standards.
You also get the latest news from around the world.
→ Install the GMX Mail app now and register your email address for free.… View full description on the official store →
With the official GMX app, you have anytime access to emails, photos*, files* and the latest news from around the world.
Intuitive and secure
Your email inbox is clearly organized by category, filters unwanted newsletters and displays online orders and parcel tracking (e.g. Deutsche Post, DHL) at a glance.
Easily store and share your photos and files in the integrated cloud*, protected by GMX’s proven security standards.
You also get the latest news from around the world.
→ Install the GMX Mail app now and register your email address for free.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →🔖 vVaries with device🔄 updated 1w ago📂 Communication💰 Free📺 Ad-supported💎 IAP $0.99 - $89.99 per item🚀 Launched 2010 (16y old)
📅
What Worked™ · Development Pipeline
8 EVENTS TRACKEDDetected 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 →
2026-10
📸
Refreshed store screenshots — 8 of 8 updated
2026-10
🔧
Shipped update — vVaries with device → vVaries with device
→ 30 days after: reviews +5,067 high confidence
2026-09
🔧
Shipped update — vVaries with device → vVaries with device
→ 30 days after: reviews +9,404 medium · co-occurring
2026-08
🔧
Shipped update — vVaries with device → vVaries with device
→ 30 days after: reviews +8,905 high confidence
2026-07
📸
Refreshed store screenshots — 8 of 8 updated
→ 30 days after: reviews +4,568 medium · co-occurring
2026-07
🔧
Shipped update — vVaries with device → vVaries with device
→ 30 days after: reviews +9,237 medium · co-occurring
2026-06
🔧
Shipped update — vVaries with device → vVaries with device
→ 30 days after: reviews +11,203 medium · co-occurring
2026-05
🚀
First tracked snapshot — initial data captured
→ 30 days after: reviews +6,534 high confidence
📸
Store Page History
16 SCREENSHOT CHANGESEvery time a developer swaps a store screenshot we archive both versions. Compare side-by-side to see what messaging / visuals changed.
iPhone screenshots
Slot 1
3 ver.
3 ver.
2026-05-06
2026-07-11
2026-10-10
Slot 2
3 ver.
3 ver.
2026-05-06
2026-07-11
2026-10-10
Slot 3
3 ver.
3 ver.
2026-05-06
2026-07-11
2026-10-10
Slot 4
3 ver.
3 ver.
2026-05-06
2026-07-11
2026-10-10
Slot 5
3 ver.
3 ver.
2026-05-06
2026-07-11
2026-10-10
Slot 6
3 ver.
3 ver.
2026-05-06
2026-07-11
2026-10-10
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for GMX - Mail & Cloud: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by GMX
View all →📦 Portfolio summaryMID studio
4apps·$705K/mocombined
⚠ Concentrated — top app contributes 99% of combined revenue (single-app dependency)
Similar apps in Communication
About this analysis
Why high confidence: 842,100 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
10 answers · auto-generated from this app's public dataHow much does GMX - Mail & Cloud make per month?▴
Based on our ML-calibrated revenue forecast, GMX - Mail & Cloud earns approximately $700K/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 GMX - Mail & Cloud profitable?▴
With estimated build cost $250K and monthly revenue $700K, GMX - Mail & Cloud looks highly profitable — pays back its build investment in under a month at the current run-rate. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does GMX - Mail & Cloud have?▴
Estimated audience: ~55.5M lifetime downloads, ~3.3M monthly active users, and ~1.9M 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 GMX - Mail & Cloud?▴
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.
What is GMX - Mail & Cloud built with?▴
Our heuristic places GMX - Mail & Cloud 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 GMX - Mail & Cloud still actively maintained?▴
Maintenance status: Active (5% abandonment risk). Last shipped version was 13 days ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
How much would GMX - Mail & Cloud sell for?▴
Estimated acquisition value: $28.0M (marketplace range $21.0M – $36.5M). Calculated as 40× monthly revenue using the standard multiple for the detected monetization model + adjustments for age, rating quality and category demand. Calibrated against 2024-2026 Flippa / Acquire.com / MicroAcquire closed-deal medians.
When was GMX - Mail & Cloud last updated?▴
GMX - Mail & Cloud last shipped a new version on 2026-10-02 — less than a month ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes GMX - Mail & Cloud?▴
GMX - Mail & Cloud is published by GMX 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 GMX - Mail & Cloud's BU Score?▴
GMX - Mail & Cloud 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.