Comparison

BookPDF vs PDF Reader

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

Head to head
About

BookPDF

Features
Read full description

このアプリは、PDFを“本のように”快適に読むためのシンプルなリーダーです。 右から左へのページめくり表示に対応し、読書の流れを邪魔しない設計にしてあります。 主な機能 ・右から左へ進むページめくり(読書向け表示) ・しおり(現在ページをワンタップで登録/解除) ・しおり一覧からページへジャンプ ・続きから再開(前回の読書位置を保存) ・PDFの取り込みとライブラリ管理(名前変更・削除) こんな人におすすめ ・PDF小説や資料を“読むために”使いたい ・余計な機能より、見やすさと操作の迷いの少なさを重視したい ※本アプリは、ユーザーが用意したPDFファイルを端末内で閲覧するためのアプリです。

About

PDF Reader

Features
Read full description

PDF Reader — your clean, distraction-free companion for reading and annotating PDF documents on iPhone and iPad. Whether you're studying, reviewing contracts, or reading books, PDF Reader gives you the tools to engage with your documents — not just scroll through them. POWERFUL ANNOTATIONS - Highlight text in 6 colors — yellow, green, blue, orange, purple, and teal - Add notes anywhere on the page, with or without a text selection - Drop bookmarks to mark important pages instantly - Tap any annotation to view, edit, or delete it SMART LIBRARY - All your PDFs in one organized library - Automatic cover thumbnails generated from each document - See your last reading position at a glance - Swipe to remove documents you no longer need CLEAN READING EXPERIENCE - Smooth page-by-page navigation with swipe gestures - Full dark mode support — easy on the eyes at night - Remembers exactly where you left off in every document - Fast loading even for large PDF files PRIVATE BY DESIGN - All documents and annotations are stored locally on your device - No account required, no sign-in, no cloud uploads - Your reading data never leaves your phone BUILT FOR iOS - Optimized for iPhone and iPad - Supports iOS safe areas and dynamic text sizes - Available in English and Turkish PDF Reader is perfect for students, professionals, and anyone who works with documents every day.

Screenshots

BookPDF4 screens
PDF Reader3 screens

Verdict

The call

The clearest difference is update cadence: BookPDF at every 2 days against PDF Reader's weekly. PDF Reader's advantage is iOS requirement (15.1 vs 18). 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

BookPDF ships an update every 2 days, PDF Reader weekly. The most recent releases landed on September 25, 2026 and September 17, 2026 respectively.

Scorecard2 real differences · 4 level
BookPDF versus PDF Reader: the parameters behind the verdict, then further details
ParameterBookPDFPDF Reader
PriceFreeFree
Update frequencyEvery 2 days — betterWeekly
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS1815.1 — better
Further details — not scored
Size2 MB35 MB
Age rating4+4+
DeveloperYuta SugawaraMehmet Tark Ozdemir

In-app purchases

None

BookPDF

No in-app purchases

None

PDF Reader

No in-app purchases

Questions

Is BookPDF free?
BookPDF is free to download, with no in-app purchases.
Is PDF Reader free?
PDF Reader is free to download, with no in-app purchases.
Do BookPDF or PDF Reader have ads?
Neither BookPDF nor PDF Reader shows ads.
Which is updated more often, BookPDF or PDF Reader?
BookPDF ships an update every 2 days, and PDF Reader weekly. Most recently, BookPDF was updated on September 25, 2026 and PDF Reader on September 17, 2026.

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