Instant Reader vs PDF Reader
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Instant Reader
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This app allows users to work with selected text from PDF documents and web pages using customizable actions and parameters. Key Features & Use Cases Select any word or phrase in English or other languages and request a translation (e.g., Japanese, Chinese, etc.) Select a sentence and request a grammar breakdown or explanation Select a word to open its Wikipedia page for additional context Search images related to selected text using Google Image results Users can define and customize their own parameters to extend functionality and create personalized workflows. AI Integration The app supports connecting to external AI services to generate responses based on selected text. Supported Content: - PDF documents - TXT files - Web pages - Notes More content types and features are planned in future updates. Terms of use: https://app.notion.com/p/Instant-Reader-Terms-of-Use-35315d340c0580ef8459d581696c3e5e Policy: https://app.notion.com/p/Instant-Reader-Policy-34015d340c05800ea627e951926c33cd
PDF Reader
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PDF Reader โ 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 โ not just scroll through them. POWERFUL ANNOTATIONS - Highlight text in 6 colors โ 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 โ 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
Verdict
The clearest difference is in-app purchases: PDF Reader at none against Instant Reader's 1. PDF Reader also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Instant Reader sells 1 in-app purchase, starting at $2.99 per month. PDF Reader asks for nothing beyond the download.
Instant Reader ships an update every 2 weeks, PDF Reader weekly. The most recent releases landed on September 26, 2026 and October 5, 2026 respectively.
| Parameter | Instant Reader | PDF Reader |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Weekly โ better |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Devices | iPhone, iPad | iPhone, iPad, iPod โ better |
| Requires iOS | 17.0 | 15.1 โ better |
| Further details โ not scored | ||
| Size | 3 MB | 35 MB |
| Age rating | 17+ | 4+ |
| Developer | Roman Vygnich | Mehmet Tark Ozdemir |
In-app purchases
Instant Reader
- Unlimited Actions$2.991 Month
PDF Reader
No in-app purchases
Questions
Is Instant Reader free?
Is PDF Reader free?
Do Instant Reader or PDF Reader have ads?
Which is updated more often, Instant Reader or PDF Reader?
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