Comparison

Light PDF vs Lens

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Light PDF

Features
Read full description

Light PDF is a powerful PDF processing tool designed to provide users with a convenient PDF reading and management experience. Whether it is viewing documents, splitting files, merging multiple PDFs, or even converting photos and pictures to PDF format, our application can easily meet your needs. Key functions: PDF reading: Supports fast reading of PDF documents and provides a smooth reading experience. PDF splitting: Can quickly split large PDF files into multiple small files for easy sharing and storage. You can choose the page number of the split as needed. PDF merging: Easily merge multiple PDF files into one, keeping the original format, suitable for organizing and archiving files. Photo to PDF: Use the mobile phone camera to take pictures of documents or paper materials, the application will automatically recognize and generate high-quality PDF files, convenient for recording and saving important information at any time. Image to PDF: Supports converting various image formats to PDF files, ensuring that the image quality is not affected, suitable for making electronic photo albums or graphic materials. There are many other features for you to explore. Privacy Policy: https://lightpdfai.com/publish/Notice.pdf

About

Lens

Transform paper documents into high-quality PDFs with smart scanning and OCR. Edit scanned files by adding notes, highlighting, or making corrections. Organize documents with folders and export them as PDFs or images.

Highlights
  • Scan documents to PDF
  • Smart border detection
  • Image quality enhancement
  • OCR text extraction
  • Edit PDFs
  • Organize with folders
  • Combine pages
Read full description

Our app is an all-in-one tool for scanning, editing, and organizing documents effortlessly. Turn paper documents such as receipts, contracts, notes, forms, or ID cards into sharp, professional-quality PDFs in just a few taps. Smart scanning automatically detects borders, enhances image quality, and uses OCR to extract text, making your documents searchable and ready to share. Once scanned, you can easily edit your PDFs — add notes, highlight important sections, draw, or make quick corrections directly within the app. Keep everything organized with folders, combine multiple pages into a single file, and export documents as PDFs or images whenever needed. Subscription Information: Full access to all features requires an active subscription, which you can manage or cancel anytime through your device’s subscription settings. Privacy Policy Link: https://docs.google.com/document/d/1WhJaBYHEX0TYLcOUB8SG9sqbaiGSoEZrh5JtwkalIKc/edit?usp=sharing Terms of Use Link: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Light PDF4 screens
Lens4 screens

Verdict

The call

The clearest difference is in-app purchases: Light PDF at none against Lens's 13. On price, update cadence, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Lens sells 11 in-app purchases, starting at $4.99 per 7 days. Light PDF asks for nothing beyond the download.

UpkeepUpdate frequency

Light PDF ships an update every 5 days, Lens weekly. The most recent releases landed on October 18, 2026 and October 20, 2026 respectively.

Scorecard1 real difference · 9 level
Light PDF versus Lens: the parameters behind the verdict, then further details
ParameterLight PDFLens
PriceFreeFree
Rating—4.4 (850 ratings) — better
Positive reviews—19.8% of reviews
Number of ratings—850 — better
Update frequencyEvery 5 days — betterWeekly
AdsYesYes
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size33 MB244 MB
Age rating4+4+
Developer其达 林Colleen Williamson

In-app purchases

None

Light PDF

No in-app purchases

11 purchases

Lens

Subscriptions10
  • Weekly2 variants$4.997 Days
  • Weekly3 Days trial2 variants$4.997 Days
  • Week-Trial3 Days trial$4.997 Days
Show 7 more
  • Weekly-Trial3 Days trial$4.997 Days
  • Weekly3 Days trial$5.997 Days
  • Weekly$5.997 Days
  • Monthly$12.991 Month
  • Yearly$19.991 Year
  • Yearly3 Days trial$39.991 Year
  • Yearly$39.991 Year
One-time1
  • Lifetime$59.99

Questions

Is Light PDF free?
Light PDF is free to download, with no in-app purchases.
Is Lens free?
Lens is free to download, with in-app purchases available.
Do Light PDF or Lens have ads?
Both Light PDF and Lens show ads.
Which is updated more often, Light PDF or Lens?
Light PDF ships an update every 5 days, and Lens weekly. Most recently, Light PDF was updated on October 18, 2026 and Lens on October 20, 2026.

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