Noctua vs Star Document Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Noctua
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Noctua is a calm reading companion designed to help you focus, track your progress, and build a lasting reading habit. Instead of rushing through pages, Noctua encourages focused reading sessions. Start a session, read at your own pace, and finish when you’re done. Based on how much you read and how long you stay focused, Noctua estimates when you’ll finish your book — using your real reading rhythm, not guesses. When you’re unsure what to read next, Noctua helps you decide with thoughtful guidance, turning choice into clarity instead of noise. You can track your reading progress, understand your habits over time, and stay present with tools designed to reduce distractions. Everything is built with simplicity, intention, and privacy in mind. Noctua isn’t about reading more books. It’s about reading better.
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
Screenshots
Verdict
The clearest difference is update cadence: Star Document Reader at daily against Noctua's every 5 days. Star Document Reader also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.6). On price, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Noctua ships an update every 5 days, Star Document Reader daily. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.
| Parameter | Noctua | Star Document Reader |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 18.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 37 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Leonardo Melegari | Markus Stadi |
In-app purchases
Noctua
No in-app purchases
Star Document Reader
No in-app purchases
