51
BU Score
Solid
Universal PDF
✍️ BU Analytics Review
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Universal PDF is an iOS app from GRAND CHALLENGE NETWORK TECHNOLOGY LIMITED in the Business category, currently rated 3.7★ across 897 ratings. Initial signal reads as mixed reviews — supporters praise core features while critics cite stability/value gaps.
Our BU Score puts it at 51 — Solid (established niche player). For a Business 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 4 of 4 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Ad-supported / freemiumMETRIC | +$600 | |
| Early-stage install base (897 ratings)METRIC | +$400 | |
| Single-language (English only)METRIC | −$400 | |
| Growing app (2y old)METRIC | +$200 |
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.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Jan 25
Apr 25
Jun 25
Jul 25
Aug 25
Sep 25
Oct 25
Nov 25
Dec 25
Jan 26
Feb 26
Mar 26
⭐ 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 →💾 41 MB🔞 4+📱 iOS 13.0+🔖 v1.3.0🔄 updated 2mo ago🌐 EN📂 Business💰 Paid🚀 Launched 2023 (2y old)
📝 About this app
Scan with Ease
Turn your iPhone into a powerful scanner. Capture clear images of paper documents. Our advanced technology helps reduce the impact of angled shots and low - light conditions, providing you with legible scans.
Merge Function
Effortlessly combine multiple images into a single PDF file. Whether it's photos of important notes or scanned receipts, merge them into one organized document for easy storage and sharing.
Split PDFs
Need to separate pages from a PDF? Universal PDF allows you to split a single PDF file into multiple pages. Perfect for when you only need specific sections of a larger document.
Compress PDF Files
Reduce the file size of your PDFs without sacrificing too much on quality. This is great for saving storage space on your device or making it easier to send large PDF files via email.
Convert Images to PDF
Quickly convert your images into the PDF format. It's a convenient way to keep your digital files in a more organized and widely - compatible format.
Universal PDF is designed to simplify your PDF - related tasks. Download now and experience a more efficient way to manage your documents.
Privacy Policy: https://vogue.lukepdf.com/privacyPolicy.html
Terms of Service: https://vogue.lukepdf.com/termsOfService.html
Turn your iPhone into a powerful scanner. Capture clear images of paper documents. Our advanced technology helps reduce the impact of angled shots and low - light conditions, providing you with legible scans.
Merge Function
Effortlessly combine multiple images into a single PDF file. Whether it's photos of important notes or scanned receipts, merge them into one organized document for easy storage and sharing.
Split PDFs
Need to separate pages from a PDF? Universal PDF allows you to split a single PDF file into multiple pages. Perfect for when you only need specific sections of a larger document.
Compress PDF Files
Reduce the file size of your PDFs without sacrificing too much on quality. This is great for saving storage space on your device or making it easier to send large PDF files via email.
Convert Images to PDF
Quickly convert your images into the PDF format. It's a convenient way to keep your digital files in a more organized and widely - compatible format.
Universal PDF is designed to simplify your PDF - related tasks. Download now and experience a more efficient way to manage your documents.
Privacy Policy: https://vogue.lukepdf.com/privacyPolicy.html
Terms of Service: https://vogue.lukepdf.com/termsOfService.html
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Universal PDF
- Developer
- GRAND CHALLENGE NETWORK TECHNOLOGY LIMITED
- Bundle ID
- com.lukepdf
- App Store URL
- Open in App Store
- Category
- Business
- Content rating
- 4+
- Languages
- EN
Company
- Website
- vogue.lukepdf.com
- 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
- $201/mo
- Top-grossing rank
- Outside top 100 in US Business
- 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 growth897 ratings+3800% lifetimeShow 3-year history estimate ▾
Tracked (50 weeks) Pre-tracking estimate (33 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.
