Comparison

PDF Reader vs KantanPDF

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

Head to head
About

PDF Reader

Features
Read full description

PDF Reader-view is your indispensable, all-in-one tool for handling critical documents and files on iOS. Simplify the way you view, manage, and process every PDF on your iPhone and iPad. Designed for speed, reliability, and professional use. High-Impact Features for File Handling: β€’ Instant E-Signatures: Securely e-sign any PDF document, form, or contract directly on your device using your finger or stylus. Fast, secure, and legally capable. β€’ Easy Form Filling: Quickly fill out PDF forms and save the completed document with minimal effort. β€’ Universal File Viewer: Open and view all your essential files in one powerful reader: β€’ PDFs n eBooks: Seamlessly read all your digital books and documents. β€’ Office Compatibility: View common Microsoft Office file types, including .doc, .xls, and .ppt. β€’ Images n Web: Easily open and view .png, .jpg images, and .html web pages. β€’ Reliable Speed: Experience rapid file opening and a clean, clear interface designed for maximum productivity. Download PDF Reader-view to streamline your document processing and file management.

About

KantanPDF

Features
Read full description

Turn everyday photos into professional PDF reports. Choose a contact sheet, construction, before-and-after, property, vehicle, or insurance template; add captions and notes; include photo dates and locations; and customize the title, logo, footer, and page numbers. The original photo-and-scan PDF maker is still included with precise paper, margin, and layout controls. Everything is processed locally without uploading your documents. Free includes one lifetime PDF creation with up to 10 source photos; Premium is a one-time purchase for unlimited creation, every report template and grid, branding, and advanced PDF layouts.

Screenshots

PDF Reader4 screens
KantanPDF4 screens

Verdict

The call

The clearest difference is in-app purchases: PDF Reader at none against KantanPDF's 1. KantanPDF's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 113 months). 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. KantanPDF sells 1 one-off in-app purchase. PDF Reader asks for nothing beyond the download.

UpkeepUpdate frequency

PDF Reader ships an update every 113 months, KantanPDF every 3 weeks. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

Scorecard3 real differences Β· 3 level
PDF Reader versus KantanPDF: the parameters behind the verdict, then further details
ParameterPDF ReaderKantanPDF
PriceFreeFree
Update frequencyEvery 113 monthsEvery 3 weeks β€” better
AdsYesNo β€” better
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad, iPod β€” betteriPhone, iPod
Requires iOS14.0 β€” better15.1
Further details β€” not scored
Size9 MB22 MB
Age rating4+4+
DeveloperAishvarya SadasivamNOH HIYEONG

In-app purchases

None

PDF Reader

No in-app purchases

1 purchases

KantanPDF

One-time1
  • Premium Upgrade$1.99

Questions

Is PDF Reader free?
PDF Reader is free to download, with no in-app purchases.
Is KantanPDF free?
KantanPDF is free to download, with in-app purchases available.
Do PDF Reader or KantanPDF have ads?
PDF Reader shows ads; KantanPDF does not.
Which is updated more often, PDF Reader or KantanPDF?
PDF Reader ships an update every 113 months, and KantanPDF every 3 weeks. Most recently, PDF Reader was updated on October 21, 2026 and KantanPDF on October 25, 2026.

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