44
BU Score
Emerging
Winmail.dat Opener
✍️ bumetric analysis
“
Winmail.dat Opener is an Android app from Tobias Reinhardt in the Tools category, currently rated 2.6★ across 4,244 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Our BU Score puts it at 44: Emerging (early traction worth watching). For a Tools app, that means early traction worth watching.
Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.
📊 Performance Tracking LIVE
Loading…
Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
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:
| Low install base (4,244 ratings)METRIC | +$1,500 | |
| Below-average rating (2.6★)METRIC | −$1,500 | |
| Mature app (13y old)METRIC | +$1,500 | |
| 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.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v4.0.1🔄 updated 2y ago📂 Tools💰 Free📺 Ad-supported🚀 Launched 2012 (13y old)
📝 About this app
Do you sometimes get "Winmail.dat" files containing important documents? Winmail.dat Opener is a free app that allows you to open these files and view, save or share their contents.
This app is free of charge and fully functional, without the need for further in-app purchases.
The app requires only about 3mb space and no unnecessary permissions.
Your files are processed on your phone and not sent to any external servers. This ensures that your information stays private and the app will still work when you are offline.
The app is supported by unobtrusive ads -- no overlays, pop-ups or the like.
This app is free of charge and fully functional, without the need for further in-app purchases.
The app requires only about 3mb space and no unnecessary permissions.
Your files are processed on your phone and not sent to any external servers. This ensures that your information stays private and the app will still work when you are offline.
The app is supported by unobtrusive ads -- no overlays, pop-ups or the like.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Winmail.dat Opener
- Developer
- Tobias Reinhardt
- Bundle ID
- com.treinhardt.android.winmaildat
- App Store URL
- Open in App Store
- Category
- Tools
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- www.winmailopener.app
- 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
- $793/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
📈Ratings growth4,244 ratings+69% lifetimeShow 3-year history estimate ▾
Tracked (1 weeks) Pre-tracking estimate (37 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 Tobias Reinhardt
View all →
Full revenue analysis
Read the article-style breakdown for Winmail.dat Opener: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.