64
BU Score
Solid
Letter Opener - πWinmail.dat, MSG, EML&MHT Viewer
βοΈ BU Analytics Review
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Letter Opener - πWinmail.dat, MSG, EML&MHT Viewer is an Android app from Letter Opener GmbH in the Productivity category, currently rated 4.5β across 5,559 ratings. Initial signal reads as no scraped reviews yet β judgment based on metadata only.
Our BU Score puts it at 64 β Solid (established niche player). For a Productivity app, that means established niche player.
Track changes month-over-month in the Performance section below β live snapshot history and revenue forecast included.
π Performance Tracking LIVE
Loadingβ¦
Rating
β
Reviews
β
Forecast Revenue / mo
β
Snapshots tracked
0
since first record
Range:
π° Forecast Revenue / mo
MODELRevenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
π¬Forecast Breakdown β 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:
| Excellent rating (4.5β )METRIC | +$2,200 | |
| Low install base (5,559 ratings)METRIC | +$1,500 | |
| Ad-supported / freemiumMETRIC | +$600 |
METRIC = structural app data Β· REVIEW = mined from user reviews Β· β VERIFIED = Stripe-verified anchor (TrustMRR)
π Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
β Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
ποΈ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
π Productivityπ° Free
Profile & Insights
Everything we know β and don't β about this app and its company.
Identification
- App name
- Letter Opener - πWinmail.dat, MSG, EML&MHT Viewer
- Developer
- Letter Opener GmbH
- Bundle ID
- app.letteropener
- App Store URL
- Open in App Store
- Category
- Productivity
- 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
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $848/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- Not found
- Not found
- GitHub
- Not found
- X followers
- Not found
- Public statements
- Not found
Funding
- Total raised
- Not found
- Last round
- Not found
- Investors
- Not found
- Crunchbase
- Not found
- AngelList
- Not found
Press & Links
- Articles found
- Not found
- Listed on
- Not found
- Blog
- Not found
- Press / News
- Not found
Contacts & Socials
- Socials
- Not found
- Not found
- Phone
- Not found
- Contact page
- Not found
- About page
- Not found
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" β additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
