PDF Reader vs LensDoc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Reader
This app is a fast and lightweight document viewer for PDF, Word, Excel, and PowerPoint files. It offers smart file management, offline access, and easy sharing, making it ideal for students and professionals. Enjoy a seamless reading experience with features like search, bookmarks, and dark mode.
- All-in-one document viewer (PDF, DOCX, XLSX, PPTX, TXT)
- Smart file manager
- Offline document access
- Fast and smooth performance
- Search and bookmarking
- Dark mode support
- Easy document sharing
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PDF Reader - Smart Reader is a fast, lightweight, and powerful document viewer that allows you to read PDF, Word, Excel, and PowerPoint files all in one place. Designed for efficiency, it helps you manage and view your documents seamlessly without needing an internet connection. Key Features: All-in-One Viewer: Open and read PDF, DOCX, XLSX, PPTX, and TXT files instantly. Smart File Manager: Automatically scans and organizes all documents stored on your device. Fast & Smooth: Optimized for large files, ensuring quick page loading and smooth scrolling. Privacy Focused: Your documents remain on your device. We process everything locally and never upload your files to any server. Search & Bookmark: Easily find your documents with a powerful search tool and save important pages for later. Dark Mode Support: Comfortable reading experience in any lighting condition. Share Easily: Share your documents via email or social media with just one tap. Whether you are a student or a professional, PDF Reader - Smart Reader is the perfect tool for your daily document needs. Download now and simplify your digital life!
LensDoc
Effortlessly remove unwanted handwriting and annotations from documents using AI. Scan, clean, and share professional-looking documents instantly. Perfect for students, teachers, and professionals needing pristine forms.
- AI handwriting removal
- Smart document scanning
- Export and print cleaned documents
- Free daily document cleans
- Ad-free premium option
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Tired of manually erasing notes, scribbles, or handwriting from your documents, worksheets, and forms? LensDoc is your ultimate AI-powered document cleaning assistant! With just a single tap, LensDoc uses advanced artificial intelligence to scan your documents and seamlessly remove unwanted handwriting. Whether you are a student reusing a worksheet, a teacher cleaning up an old test, or a professional needing a blank form, LensDoc gives you a crisp, professional version ready to print or share. Key Features: • Smart Scanning: Snap a photo using your camera or import existing images from your photo library. • AI Handwriting Removal: Magically and completely erase pen, pencil, and marker annotations from any paper. • Export & Print: Save your pristine, cleaned documents directly to your camera roll. Ready to be printed, emailed, or shared instantly. • Generous Free Tier: Enjoy free daily document cleans on us! LensDoc Premium: Need to clean more documents? Upgrade to LensDoc Unlimited for just $2.99/month and get: • Unlimited daily document cleaning • Ad-free experience • Priority AI processing Stop retyping forms or struggling with messy whiteout. Download LensDoc today and experience the magic of perfectly clean documents! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: LensDoc at 5.0 against PDF Reader's 4.0. LensDoc also leads on update cadence (daily vs every 4 days). PDF Reader's advantage is monetization model (ad-supported vs free with in-app purchases) and ratings volume (4 vs 1). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. PDF Reader sells 1 in-app purchase, starting at $19.99 per 7 days and LensDoc sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
LensDoc holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.
PDF Reader ships an update every 4 days, LensDoc daily. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.
| Parameter | PDF Reader | LensDoc |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 4 days | Daily — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 85 MB | 280 MB |
| Age rating | 4+ | 4+ |
| Developer | truong nguyen xuan | Lens Life Tech LLC |
Customer experience
PDF Reader
LensDoc
In-app purchases
PDF Reader
- Premium Subscription - 1 week$19.997 Days
LensDoc
- LensDoc Unlimited$0.991 Month
- LensDoc Unlimited (Yearly)$7.991 Year
