Comparison

Star Document Reader vs Libra reader

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

Head to head
About

Star Document Reader

Features
Read full description

Star Readers is a smart, modern reading tool for people who want to read documents, e-books and text files with clarity and comfort. Use AI features to summarize texts and understand them even faster. Whether you open PDF, EPUB, MOBI, TXT, CSV, Markdown, JSON or log files, Star Reader brings many useful formats into one clean app and keeps the focus where it belongs: on your content. It turns your mobile device into a versatile, elegant reader for everyday use, study, work and personal reading journeys. Highlights: - Elegant, minimal reader design - EPUB chapter view with navigation - MOBI reading with chapter and section navigation for DRM-free files - PDF viewer with annotations and image export - Share PDF annotations as images - Read text, Markdown, JSON and log files - View CSV files as a table or raw text - Favorites and recently opened files - Automatic reading position saving - Adjustable text size, line height and font style - Light, dark and system theme modes - English and German language options - File explorer for supported local files on your device Star Readers is built for longer reading sessions, with calm colors, clear typography and an interface that stays out of the way. Open local files, return to important documents faster and read e-books, notes, logs or tables in one app. Ideal for: - E-books and long-form reading - PDFs with visual annotations - Local document collections - Markdown notes - CSV files - JSON and log files - Focused reading by day or night Supported file extensions: .txt .csv .md .markdown .json .log .epub .pdf .mobi

About

Libra reader

Features
Read full description

Libra is a modern ebook reader and library manager for iPhone and iPad. Read the books you already own — from your device, your cloud storage, or any OPDS catalog — and keep your reading progress, highlights and notes in sync across all your devices. Key features • All major ebook formats • Read from device, cloud storage and OPDS catalogs • Comfortable, fully customizable reading • Highlights, notes and bookmarks • On-device translation • Reading sync across your devices Ebook formats • EPUB • PDF • FictionBook (fb2, fb2.zip) • MobiPocket and Kindle (mobi, azw3) • Comic Book (cbz) • Word (docx) • Markdown, HTML and plain text (md, html, txt) Your books, your storage • Locally on the device • In cloud storage: iCloud Drive, Google Drive, OneDrive, Dropbox, Yandex Disk • From OPDS catalogs and online libraries you choose • Add your own catalog, for example a Calibre content server over OPDS Comfortable reading • Light, Sepia and Dark themes • Paginated (swipe) or continuous scroll • Serif, sans-serif and monospace fonts • Adjustable font size, line height, paragraph spacing, margins, letter spacing and text alignment • Device-independent reading position that transfers correctly across screens and devices • Table of contents navigation Highlights, notes and bookmarks • Highlight passages in four colors • Attach notes to your highlights • Bookmark any page • Share and export your notes and highlights as text Library management • Organize books into custom collections • Browse by folders across all your sources • Search your library • Automatic cover and metadata extraction • Track reading status and progress, and mark books finished • Rate and review your books • Back up and restore your library Translation • Translate selected text right in the reader • Translation runs on your device — nothing leaves it Sync across your devices (Pro) • Sync your library, reading position, progress, highlights, notes, bookmarks, reviews and collections • Syncs privately through your own iCloud account — we run no server and never hold your data ——— Support: support@libra-reader.com Privacy Policy: https://libra-reader.com/privacy Terms of Service: https://libra-reader.com/terms

Screenshots

Star Document Reader4 screens
Libra reader4 screens

Verdict

The call

The clearest difference is in-app purchases: Star Document Reader at none against Libra reader's 2. Star Document Reader also leads on update cadence (daily vs every 3 weeks) and iOS requirement (13.0 vs 18.2). On price, ads and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Libra reader sells 2 in-app purchases, starting at $1.99 per month. Star Document Reader asks for nothing beyond the download.

UpkeepUpdate frequency

Star Document Reader ships an update daily, Libra reader every 3 weeks. The most recent releases landed on September 30, 2026 and September 21, 2026 respectively.

Scorecard3 real differences Ā· 3 level
Star Document Reader versus Libra reader: the parameters behind the verdict, then further details
ParameterStar Document ReaderLibra reader
PriceFreeFree
Update frequencyDaily — betterEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better18.2
Further details — not scored
Size41 MB68 MB
Age rating4+4+
DeveloperMarkus StadiSergei Mikhailov

In-app purchases

None

Star Document Reader

No in-app purchases

2 purchases

Libra reader

Subscriptions2
  • Libra Pro – Monthly$1.991 Month
  • Libra Pro – Yearly$19.991 Year

Questions

Is Star Document Reader free?
Star Document Reader is free to download, with no in-app purchases.
Is Libra reader free?
Libra reader is free to download, with in-app purchases available.
Do Star Document Reader or Libra reader have ads?
Neither Star Document Reader nor Libra reader shows ads.
Which is updated more often, Star Document Reader or Libra reader?
Star Document Reader ships an update daily, and Libra reader every 3 weeks. Most recently, Star Document Reader was updated on September 30, 2026 and Libra reader on September 21, 2026.

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