Comparison

Instant Reader vs PlotReader

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

Head to head
About

Instant Reader

Features
Read full description

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

About

PlotReader

Features
Read full description

PlotReader is a private ebook reader for macOS. Import TXT, EPUB, PDF, and MOBI books, keep reading progress locally, add bookmarks and notes, and customize your reading experience with themes, font size, line spacing, scroll mode, and system read-aloud voices. When you want a faster overview of a chapter, PlotReader offers optional AI reading tools, including plot summaries and relationship maps. AI features are not enabled by default. You provide your own API key and model service endpoint, and chapter content is sent only when you request generation and allow chapter sharing in Settings. PlotReader also supports optional iCloud backup and restore. Backup data is stored in your private iCloud database. API keys are stored in macOS Keychain and are never included in iCloud backups. Key Features: - Import local TXT, EPUB, PDF, and MOBI books - Local bookshelf, reading progress, bookmarks, notes, and reading statistics - Custom font size, line spacing, themes, and scroll mode - Optional AI plot summaries - Optional AI relationship maps - Read aloud with system voices - Optional on Mac, iPhone, and iPad, with reading progress and your library synced across devices via iCloud. - No app account system

Screenshots

Instant Reader4 screens
PlotReader4 screens

Verdict

The call

The clearest difference is in-app purchases: PlotReader at none against Instant Reader's 1. PlotReader also leads on device support (4 vs 2) and iOS requirement (13.0 vs 17.0). On price, update cadence and ads 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. Instant Reader sells 1 in-app purchase, starting at $2.99 per month. PlotReader asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 26, 2026 and September 24, 2026 respectively.

Scorecard3 real differences Β· 3 level
Instant Reader versus PlotReader: the parameters behind the verdict, then further details
ParameterInstant ReaderPlotReader
PriceFreeFree
Update frequencyEvery 2 weeksEvery 2 weeks
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPadiPhone, iPad, iPod, Mac β€” better
Requires iOS17.013.0 β€” better
Further details β€” not scored
Size3 MB29 MB
Age rating17+4+
DeveloperRoman Vygnich伟 叢

In-app purchases

1 purchases

Instant Reader

Subscriptions1
  • Unlimited Actions$2.991 Month
None

PlotReader

No in-app purchases

Questions

Is Instant Reader free?
Instant Reader is free to download, with in-app purchases available.
Is PlotReader free?
PlotReader is free to download, with no in-app purchases.
Do Instant Reader or PlotReader have ads?
Neither Instant Reader nor PlotReader shows ads.
Which is updated more often, Instant Reader or PlotReader?
Instant Reader ships an update every 2 weeks, and PlotReader every 2 weeks. Most recently, Instant Reader was updated on September 26, 2026 and PlotReader on September 24, 2026.

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