Comparison

Light PDF vs Shelves Book Tracker

Price, ratings, monetisation and update history for both apps, side by side β€” 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

Shelves Book Tracker

Features
Read full description

Shelves turns your phone into a living library. Scan a book, organize your shelves, save your favorite quotes, and finally watch your reading stack up over the year. What you can do Scan an ISBN and add a book in two seconds Build as many shelves as you want: reading, to read, finished, favorites, by genre Capture a quote with the camera or type it, with author and page, and find it again anytime Set a yearly reading challenge with your own goal Track your stats: pages read, books finished, reading streaks Get a daily quote each morning, picked from your own library Show your quotes and your shelf as a widget on the iOS home screen Shelves Pro If you want more, the Pro subscription unlocks an unlimited library, exports, premium themes, and every future feature. No commitment, cancel anytime from the App Store. Made for heavy readers and for people who just want to get back into reading without pressure. No social feed, no aggressive notifications, just your books and your favorite words. Your data stays yours, synced securely to your account. Works offline too. Available in English and French. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula

Screenshots

Light PDF4 screens
Shelves Book Tracker4 screens

Verdict

The call

The clearest difference is in-app purchases: Light PDF at none against Shelves Book Tracker's 2. Light PDF also leads on update cadence (every 5 days vs every 3 weeks). Shelves Book Tracker's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Shelves Book Tracker sells 2 in-app purchases, starting at $0.99 per 7 days. Light PDF asks for nothing beyond the download.

UpkeepUpdate frequency

Light PDF ships an update every 5 days, Shelves Book Tracker every 3 weeks. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.

Scorecard3 real differences Β· 3 level
Light PDF versus Shelves Book Tracker: the parameters behind the verdict, then further details
ParameterLight PDFShelves Book Tracker
PriceFreeFree
Update frequencyEvery 5 days β€” betterEvery 3 weeks
AdsYesNo β€” better
In-app purchasesNo β€” betterYes
DevicesiPhone, iPod β€” betteriPhone
Requires iOS15.0 β€” better16.0
Further details β€” not scored
Size33 MB50 MB
Age rating4+4+
Developerε…ΆθΎΎ ζž—Francis KOUAHO

In-app purchases

None

Light PDF

No in-app purchases

2 purchases

Shelves Book Tracker

Subscriptions2
  • Shelves Pro Hebdomadaire3 Days trial$0.997 Days
  • Shelves Pro Annuel3 Days trial$24.991 Year

Questions

Is Light PDF free?
Light PDF is free to download, with no in-app purchases.
Is Shelves Book Tracker free?
Shelves Book Tracker is free to download, with in-app purchases available.
Do Light PDF or Shelves Book Tracker have ads?
Light PDF shows ads; Shelves Book Tracker does not.
Which is updated more often, Light PDF or Shelves Book Tracker?
Light PDF ships an update every 5 days, and Shelves Book Tracker every 3 weeks. Most recently, Light PDF was updated on October 2, 2026 and Shelves Book Tracker on October 10, 2026.

Other comparisons