Comparison

PDF Book Reader vs Lector

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

Head to head
About

PDF Book Reader

Easily read, manage, and annotate PDF books and documents. This app offers a smooth reading experience, powerful annotation tools, and seamless cloud integration. Organize, search, and share your PDFs with ease.

Highlights
  • Natural PDF reading and navigation
  • PDF bookmarking and annotation
  • Text search and OCR extraction
  • PDF merging and page rearrangement
  • Cloud storage integration (Google Drive, Dropbox, iCloud)
  • File import and export via cloud and Files app
  • PDF sharing and printing
Features
Read full description

PDF Book Reader app helps you easily and naturally read PDF books and documents. It works as smooth as reading web pages in web browsers. PDF Book Reader is the best app to read, manage and annotate PDF Books and it works beautifully on iOS 14. The most powerful PDF Book reader, carefully designed and optimized specially for the iPhone & iPad. [ KEY FEATURES ] • Naturally read and navigate PDF books • Bookmark PDF e-Books • Annotate PDF e-Books • Search texts in entire PDF files • Extract texts by using OCR • Merge PDF files • Rearrange PDF pages by drag & drop • Connect with Google Drive, Dropbox, iCloud, Photos • Import files from Files, Photos, Google Drive, Dropbox • Automatically and securely save PDF files in Files app • Share PDF files via email, text (sms), cloud solutions • Print PDF files [ Upgrade to subscription version ] Upgrading to subscription version requires auto-renewal subscription. Payment will be charged to your Apple ID account at the confirmation of purchase. The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase. Links to Your Privacy Policy and Terms of Use: http://www.btoj.com.au/privacy.html http://www.btoj.com.au/terms.html Please feel free to contact us for anything.

About

Lector

Features
Read full description

Lector is a clean and minimal reading app designed for people who want to focus. Upload your PDFs and read without distractions. No feeds, no noise, no clutter. Features: • Clean and distraction-free reading experience • Support for PDF documents • Simple navigation based on the original document pages • Dark mode support • Offline access to your files Lector is built for readers who value simplicity and clarity. More features coming soon (AI, VoiceReader, and more) Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://lector.thefndrs.com/privacy

Screenshots

PDF Book Reader4 screens
Lector4 screens

Verdict

The call

The clearest difference is update cadence: PDF Book Reader at every 5 days against Lector's every 3 weeks. PDF Book Reader also leads on iOS requirement (13.0 vs 26.1). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PDF Book Reader sells 2 in-app purchases, starting at $3.99 per month and Lector sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PDF Book Reader ships an update every 5 days, Lector every 3 weeks. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.

Scorecard2 real differences · 8 level
PDF Book Reader versus Lector: the parameters behind the verdict, then further details
ParameterPDF Book ReaderLector
PriceFreeFree
Rating3.9 (32 ratings) — better—
Positive reviews63.2% of reviews—
Number of ratings32 — better—
Update frequencyEvery 5 days — betterEvery 3 weeks
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better26.1
Further details — not scored
Size46 MB10 MB
Age rating4+4+
DeveloperB TO J PTY LTDMarlon Geovany Castro Mejia

In-app purchases

2 purchases

PDF Book Reader

Subscriptions2
  • 1 Month Subscription$3.991 Month
  • 1 Year Subscription$28.991 Year
3 purchases

Lector

Subscriptions2
  • Lector Pro Access (Monthly)1 Month trial$5.991 Month
  • Lectro Pro Access (Yearly)$59.991 Year
One-time1
  • Early Founder Access$99.99

Questions

Is PDF Book Reader free?
PDF Book Reader is free to download, with in-app purchases available.
Is Lector free?
Lector is free to download, with in-app purchases available.
Do PDF Book Reader or Lector have ads?
Both PDF Book Reader and Lector show ads.
Which is updated more often, PDF Book Reader or Lector?
PDF Book Reader ships an update every 5 days, and Lector every 3 weeks. Most recently, PDF Book Reader was updated on October 15, 2026 and Lector on October 8, 2026.

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