Star Document Reader vs Leruna
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Star Document Reader
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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
Leruna
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Read EPUB, PDF, and text books with an AI reading companion that understands what is on the page and helps you explore the rest of the book. Leruna is an AI book reader built for people who want to stay immersed while getting clear answers at the moment curiosity strikes. Import your own book or choose a free public-domain classic, then read in a calm, continuous interface designed around the text. ASK YOUR BOOK ⢠Ask questions aloud and hear concise, conversational answers. ⢠Leruna considers the passage on screen and any text you select. ⢠Ask about a character, event, theme, idea, or unfamiliar detail. ⢠When necessary, the assistant can research other parts of the book or search for broader information. UNDERSTAND IN CONTEXT ⢠Tap a word or select an expression for a contextual meaning. ⢠Discover cultural, literary, and historical references connected to passages. ⢠Expand references without leaving the reference list, or jump back to their place in the book. NAVIGATE LONG BOOKS ⢠Browse detected chapters and sections in the Reader Map. ⢠Find text across the full book and move between every result. ⢠Resume from your saved reading position. ⢠Scroll continuously with progressive loading, even in long books. MAKE READING VISUAL ⢠Generate an image of a selected character, place, object, or scene. ⢠Ask the assistant for a specific image while discussing the book. ⢠Save generated images to Photos or share them. ⢠Create an optional book-inspired reading backdrop for light or dark mode. YOUR READING SPACE ⢠Import EPUB, PDF, Markdown, HTML, and plain-text files. ⢠Explore free public-domain books from Project Gutenberg. ⢠Choose between five text sizes, light or dark mode, and assistant voices. ⢠Read and ask questions in the language of your book or conversation. New eligible accounts receive a 30-day Reader trial with a one-time usage pool. No subscription or payment method is required to begin. Optional Reader, Study, and Scholar subscriptions are available with monthly or annual billing and larger allowances for book processing, AI requests, conversational answer audio, and image generation. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. You can manage or cancel a subscription from your Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://energized-puffin-45.convex.site/legal/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Star Document Reader at none against Leruna's 6. Star Document Reader also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price and ads 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
Both are free to download. Leruna sells 6 in-app purchases, starting at $5.99 per month. Star Document Reader asks for nothing beyond the download.
| Parameter | Star Document Reader | Leruna |
|---|---|---|
| Price | Free | Free |
| Update frequency | Daily | ā |
| Ads | No | No |
| In-app purchases | No ā better | Yes |
| Devices | iPhone, iPad, iPod ā better | iPhone |
| Requires iOS | 13.0 ā better | 17.0 |
| Further details ā not scored | ||
| Size | 41 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Markus Stadi | Tuan Lima |
In-app purchases
Star Document Reader
No in-app purchases
Leruna
- Reader Monthly$5.991 Month
- Study Monthly$11.991 Month
- Scholar Monthly$23.991 Month
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- Reader Annual$59.991 Year
- Study Annual$119.991 Year
- Scholar Annual$239.991 Year









