Book Tracker vs readHD
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Book Tracker
Capture, organize, and revisit key passages from your books with advanced text recognition. Create collections, add tags and notes, and easily export your highlights. Stop forgetting what you read and make your reading more impactful.
- Text recognition
- Book collections
- Tags and notes
- Highlight export
- Page number detection
- Search functionality
- Photo highlighting
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Remember more of what you read. Turn the passages that matter into a personal library you can search, revisit, and share. Point your camera at a book page, select the text, and save it with your notes, tags, and page number. Keep your books organized, return to favorite ideas with reminders and widgets, and recap a book’s core ideas from your own highlights with Apple Intelligence. CAPTURE • Capture text with your camera or from photos in your library • Select sentences and paragraphs with smart text recognition • Automatically select text you’ve highlighted or underlined in a book • Save multiple highlights from a page at once • Detect page numbers and scan ISBN barcodes to add books • Import highlights from Kindle or CSV files • Import your book library from Goodreads or other CSV files • Drag and drop images to capture highlights on iPad ORGANIZE • Build your personal bookshelf with collections and reading status • Group highlights into chapters and browse them in reading order • Add notes, tags, page numbers, and favorites • Add emphasis with bold, italics, underline, and strikethrough • Find relevant tags faster with smart suggestions • Search your highlights and filter by book, collection, or tag REVISIT • Recap a book’s core ideas from your highlights with Apple Intelligence • Rediscover saved passages with recurring highlight reminders • Keep highlights on your Home Screen with widgets • Start highlighting with Siri Shortcuts • Capture and browse your highlights offline SHARE & EXPORT • Share highlights as beautiful quote cards • Publish a book’s highlights as a web page anyone can read • Export one book or your whole library • Choose PDF, Markdown, CSV, RTF, or plain text • Include notes, tags, and page numbers in your exports FREE TO START Capture and organize unlimited books and highlights for free. Highlighted+ adds automatic selection of marked text, Apple Intelligence recaps, Kindle and CSV highlight import, whole-library export, custom reminders, and more. Apple Intelligence features depend on device, language, and system availability. Selected as Apple’s App of the Day 6 times. Trusted by 160,000+ readers. ABOUT ME I'm Damir, an independent creator from Europe who loves to read. Say hello at damir.stuhec@gmail.com Privacy Policy: https://highlighted-app.webflow.io/terms-and-policies#privacy-policy-heading Terms: https://highlighted-app.webflow.io/terms-and-policies#terms-of-service-heading
readHD
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COGNITIVE READING TOOLS & FEATURES • BOLD LETTER FIXATION ANCHORING Automatically bold the opening letters of every word to establish high-contrast visual anchors. Your eyes lock onto the word root while your brain completes the meaning, reducing tracking fatigue and stopping involuntary line backtracking. • SPOTLIGHT READING RULER Isolate your line-by-line focus. The spotlight ruler softly dims surrounding text while keeping your active line sharp and illuminated, preventing peripheral distractions and accidental line skips. • COLOR GUIDE ZEBRA TINTING Alternate subtle background row tints to eliminate visual crowding, reduce pattern glare, and keep your gaze straight across wide displays. • PAPER-LIKE EYE COMFORT THEMES Replicate the glare-free feel of dedicated digital e-readers with our Paper-Like Grayscale theme. Also includes Warm Cream, Charcoal, Vintage Sepia, and Calm Green palettes designed to reduce blue-light eye strain. • RSVP PACED READING (UP TO 300 WPM) Stream text word-by-word at a comfortable, steady pace using Rapid Serial Visual Presentation. Eliminate eye movements entirely—ideal for rapid study reviews and low-fatigue reading. • SYNCHRONIZED AUDIO & TEXT (GHOST MODE) Listen along via natural text-to-speech while words highlight in real time. Switch on Ghost Mode to fade out inactive text behind the audio pacer, channeling complete visual focus directly onto the active sentence. • BRING-YOUR-OWN-KEY (BYOK) PRIVATE AI Connect your personal OpenAI or Anthropic API key to generate private chapter breakdowns, simplify dense academic passages, and create study flashcards directly inside your book. • 1,500+ BUILT-IN CLASSIC BOOKS Get instant, offline access to a curated library of over 1,500 public-domain literary classics across 19 genres—including Sci-Fi, Mystery, Philosophy, Romance, and Adventure. • IMPORT YOUR OWN EPUB & PDF FILES Import DRM-free EPUB books, research papers, lecture notes, and work documents. All reading progress, files, notes, and highlights remain stored 100% locally and privately on your device. ================================== TRANSPARENT MONETIZATION • FREE TIER: Enjoy complete access to the 1,500+ classic book library, standard fixation bolding, and basic document reading. • PREMIUM PASS (Monthly, 3-Month, Annual, or Lifetime): Unlock unlimited EPUB & PDF imports, the adjustable Spotlight Reading Ruler, Ghost Mode audio-sync, and BYOK AI study tools. Take control of dense text, retain more of what you read, and finish every book with readHD. Disclaimer: readHD is an assistive educational and productivity utility designed to aid reading comfort and focus. It is not a medical device or a clinical treatment for learning disabilities.
Screenshots
Verdict
The clearest difference is update cadence: readHD at every 4 days against Book Tracker's every 5 weeks. readHD also leads on iOS requirement (16.0 vs 18.4). On price, ads, in-app purchases and device support 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. Book Tracker sells 6 in-app purchases, starting at $2.99 per month and readHD sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
Book Tracker ships an update every 5 weeks, readHD every 4 days. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.
| Parameter | Book Tracker | readHD |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (751 ratings) — better | — |
| Positive reviews | 92.8% of reviews | — |
| Number of ratings | 751 — better | — |
| Update frequency | Every 5 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.4 | 16.0 — better |
| Further details — not scored | ||
| Size | 72 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | Damir Stuhec | Alwijar Mawallil |
Bugs and requests
Book Tracker
Reported bugs
3 issues- Occasional crashes or freezes
- Issues with recognizing text from curved pages
- Problems with losing previously saved highlights
Requested features
5 requests- Add ability to highlight and annotate PDFs
- Integrate with ebook readers like Kindle
- Implement cloud sync and backup
- Add more customization options for highlights
- Improve search and filtering functionality
readHD
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Book Tracker
- Highlighted Club Monthly$2.991 Month
- plus weekly$4.997 Days
- plus yearly3 Days trial$44.991 Year
- Small tip$9.00
- Medium tip$25.00
- Large tip$49.00
readHD
- Premium Monthly Focus$2.991 Month
- 3 - Month Premium Sprint Plan$5.993 Months
- One year premium subscription$24.991 Year
- Premium Lifetime Pass$69.99









