WebDuo Pro
64
Quality Score
Solid
WebDuo Pro
Low confidence
✍️ bumetric analysis
“
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.
Quality Score is 64: Solid (established niche player). For a Productivity app, that means established niche player. 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
$1.0K
per month
→
12-mo forecast
$901 – $3249
per month
→
24-mo forecast
$835 – $7516
per month
INDIE 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
Loading…
Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
ONE-TIME · BUILD
💰 Estimated build cost
$55K
↳ What it cost to build · not monthly revenue
Likely range $40K – $75K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~2 months 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 |
| ⚙ Productivity complexity ×1.10 | +$5K |
Total estimate
$55K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$425K
↳ What it would sell for · not monthly revenue
Marketplace range $325K – $600K · 16× MRR multiple
💸
~7.7× return on build cost
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 |
| ⭐ ★ rating ≥ 4.4 (solid) | +8% |
| 🏷 Productivity category multiple | +8% |
| ⭐ Small user base (<1K ratings) | -8% |
Final multiple
16× MRR
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$1.0K/mo · ML-estimated from 234 triggers
Growth rate
+6.0% MoM · INDIE tier baseline (compound monthly)
Direction
Headwinds: rating drift may slow acquisition
6 months
$878 – $2.0K
12 months
$901 – $3.2K
24 months
$835 – $7.5K
Compound growth at +6.0% MoM (tier baseline for INDIE). Range widens with horizon — typical noise band ±40% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Pre-traction · 39/100INDIE TIERlimited signalGrowth Velocity
5.0
Founder Strength
5.4
Product Quality
3.6
Revenue Strength
3.0
Monetization Maturity
1.0
Defensibility
4.5
Market Position
2.0
Operational Safety
7.0
- 💰 Revenue: Modest — $412 - $2578/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.44★ across 77 reviews — weak — significant quality concerns.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 1953d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (1953d since update).
🎯 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 = $18K-$33K. Portfolio play ($27K/mo combined) commands premium.
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 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.
🆕 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
- Not found
- 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
- Available
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
- x.com/github
- linkedin.com/company/github
- GitHub
- docs.github.com
- X followers
- Not found
- Public statements
- Not found
Funding
Funding data not yet collected for this app.
Press & Links
Press & Links data not yet collected for this app.
Contacts & Socials
- Socials
- github docs.github.com · instagram instagram.com/github · linkedin linkedin.com/company/github · tiktok tiktok.com/@github · twitter x.com/github · youtube youtube.com/github
- Not found
- Phone
- Not found
- Contact page
- github.com/premium-support
- About page
- github.com/team
📈Ratings growth77 ratings+7600% lifetimeShow 3-year history estimate ▾
Tracked (26 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.
💰Pricing History$0.00 → $1.99 (+0%)
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
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!!
App Specs
🔐 Own this app? Claim & verify MRR →💾 18 MB🔞 17+📱 iOS 9.0+🔖 v1.8.2🔄 updated 0d ago🌐 EN, ES📂 Productivity💰 Paid
📅
What Worked™ · Development Pipeline
7 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 →
2026-05
⭐
Rating ↑ 3.00 → 4.44 (improved 1.44★)
2026-05
📈
Crossed 10 ratings — social-proof flywheel kicking in
2026-05
💲
Went paid — introduced $1.99 price point
2026-03
⭐
Rating ↓ 3.76 → 3.00 (dropped 0.76★)
2019-05
📈
Crossed 10 ratings — social-proof flywheel kicking in
2016-04
⭐
Rating ↓ 5.00 → 4.50 (dropped 0.50★)
2016-01
🚀
First tracked snapshot — initial data captured
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 4.33333★ | 3 | 4.33333★ this version |
| 🇧🇷 BR | 3★ | 2 | 3★ this version |
| 🇨🇦 CA | 3.2★ | 5 | 3.2★ this version |
| 🇩🇪 DE | 2.33333★ | 3 | 2.33333★ this version |
| 🇫🇷 FR | 4.33333★ | 3 | 4.33333★ this version |
| 🇬🇧 GB | 4.53846★ | 13 | 4.53846★ this version |
| 🇮🇳 IN | 4.3★ | 10 | 4.3★ this version |
| 🇯🇵 JP | 2.33333★ | 3 | 2.33333★ this version |
| 🇺🇸 US | 4.44156★ | 77 | 4.44156★ this version |
🔔
Track this app’s revenue
FREEGet an email when revenue moves by your threshold. No spam, unsubscribe in one click.
📝 Description
95
BU Score · Transcendent
Similar apps in Productivity
About this analysis
Why low confidence: only 77 ratings · no founder-verified revenue (model estimate only) · revenue figure is directional only.
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does WebDuo Pro make per month?▴
Based on our ML-calibrated revenue forecast, WebDuo Pro earns approximately $27K/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 WebDuo Pro?▴
Browse the full Productivity 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 WebDuo Pro?▴
WebDuo Pro is published by Michael Sacks on the Apple App 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 WebDuo Pro's BU Score?▴
WebDuo Pro has a BU Score of 64/100 (Solid). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.