64
BU Score
Solid
WebDuo Pro
✍️ bumetric analysis
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WebDuo Pro is an iOS app from Michael Sacks in the Productivity category, currently rated 4.4★ across 77 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Our BU Score puts it at 64: Solid (established niche player). For a Productivity app, that means established niche player.
Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.
📊 Performance Tracking LIVE
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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 7 of 7 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Paid app ($0.00)METRIC | +$2,800 | |
| 5 starREVIEW | +$1,800 | |
| excellent appREVIEW | +$1,500 | |
| Mature app (10y old)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| Good rating (4.4★)METRIC | +$800 | |
| Pre-traction phase (77 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.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →💾 18 MB🔞 17+📱 iOS 9.0+🔖 v1.8.2🔄 updated 5y ago🌐 EN, ES📂 Productivity💰 Paid🚀 Launched 2016 (10y old)
📝 About this app
WebDuo is the only app that allows you to browse two websites at the same time (side by side) on any iOS device.
Take WebDuo Pro for a spin and let us know what you think!
P.S. Get THREE browsers side by side by side if you have the iPad Air 2 , iPad Mini 4, iPad Pro by using multitasking!!
Take WebDuo Pro for a spin and let us know what you think!
P.S. Get THREE browsers side by side by side if you have the iPad Air 2 , iPad Mini 4, iPad Pro by using multitasking!!
🆕 What's New · v1.8.2
Bug fixes and improvements.
Reduces iPad specific crashes.
Reduces iPad specific crashes.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- WebDuo Pro
- Developer
- Michael Sacks
- Bundle ID
- com.DevMountain.Sidefari
- App Store URL
- Open in App Store
- Category
- Productivity
- Content rating
- 17+
- Languages
- EN, ES
Company
- Website
- github.com
- Tagline
- Search code, repositories, users, issues, pull requests...
- Description
- Join the world's most widely adopted, AI-powered developer platform where millions of developers, businesses, and the largest open source community build software that advances humanity.
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- OG image
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $27.1K/mo
- Top-grossing rank
- Outside top 100 in US Productivity
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- https://x.com/github
- https://www.linkedin.com/company/github
- GitHub
- https://docs.github.com
- 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
- https://github.com/resources/articles?topic=ai
- Press / News
- Not found
Contacts & Socials
- Socials
- github · instagram · linkedin · tiktok · twitter · youtube
- Not found
- Phone
- Not found
- Contact page
- https://github.com/premium-support
- About page
- https://github.com/team
⭐Recent App Store Reviews24 latest · avg 3.88★ · 54.2% 5★ · 12.5% 1★
5★13 (54%)
4★2 (8%)
3★5 (21%)
2★1 (4%)
1★3 (12%)
+0 ratings/week
Praise: great ×5 excellent ×3 recommend ×3 amazing ×2Complaints: crash ×3 bug ×1
Top positive
★★★★★ AMAZING!!
Such an incredible app. This is so helpful and I'm so glad I bought it. Would recommend to everyone-- the $1 I spent has saved me so much time already and I just recently bought it. Thank you for inventing such a great app!!…
★★★★★ Solution to Apple's Error
The app functions exactly as it says it does, but the second browser window can be small. However, it is still usable. I cannot make all of them exactly equal in size, but the app is still worth purchasing.…
Top negative
★☆☆☆☆ No sound
Screen splits but there is no sound. I want to listen to news while looking at another app. NO SOUND!…
★☆☆☆☆ Poor performance
Every time I use this app, I never get what I want or need. I am being rerouted and controlled and this is annoying time stealing and wasted space.…
📈Ratings growth77 ratings+7600% lifetimeShow 3-year history estimate ▾
Tracked (25 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
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.
Full revenue analysis
Read the article-style breakdown for WebDuo Pro: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.