BookVoice vs Unison Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BookVoice
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BookVoice is a free app for anyone who finds reading difficult or can’t spare the time, yet still wants to enjoy books: - Enjoy thousands of free classic and public domain books, easily search by category or title, and read or listen anytime with built-in audio support. - Scan pages with your iPhone’s camera and let BookVoice read them aloud for you. - Create audio books, pick up where you left off, with full pause and resume support. - Build your own library of famous classics, read or listen anywhere, and pick up right where you left off. - BookVoice is also helpful for individuals with dyslexia and those pursuing their education, while also offering an enjoyable and productive experience for older adults and for those who love keeping books in their libraries as a nostalgic treasure. Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Additional terms: https://erdemaksakal.github.io/bookvoice/terms
Unison Reader
This app allows you to seamlessly switch between reading an ebook and listening to its audiobook. It synchronizes narration with text, offers generated voices for ebooks without audiobooks, and supports various file formats. Customize your reading experience with adjustable layouts, speeds, and appearance settings.
- Read and listen in sync
- Generated voices for ebooks
- Text generation from audiobooks
- Import various file formats (EPUB, PDF, DOCX)
- Customizable reading layouts and appearance
- Highlighting, bookmarking, and word lookup
- iCloud library synchronization
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Your ebook. Your audiobook. One place in the story. Bring both versions of a book to Unison Reader and move seamlessly between reading and listening. Follow your audiobook's narrator in the text, word by word, then pick up reading where you left off. READ AND LISTEN TOGETHER Add your audiobook to its matching ebook. Unison Reader aligns the narration with the text on your device, so you can listen, read along, or switch between the two without hunting for your place. START WITH WHAT YOU HAVE Only have the ebook? Choose a voice generated on your device to read it aloud. Only have the audiobook? Unison Reader can generate text from its narration. These options help you read and listen even when you do not have both versions. YOUR BOOKS, YOUR LIBRARY Import EPUBs, PDFs, Word documents, plain text, Markdown, HTML, and other supported book files. Browse Project Gutenberg and Standard Ebooks, or download books and audiobooks from your own supported library server. MAKE READING COMFORTABLE Choose a paged, scrolling, or caption layout. Adjust appearance, listening speed, word emphasis, and how the text follows the voice. Save highlights and bookmarks, look up words, and adjust pronunciations. AT HOME ON YOUR DEVICES Sync your library through your own iCloud account when iCloud Drive is available. Speech generation and audiobook alignment happen on your device. Generated audio is prepared while Unison Reader is open; prepared audio continues playing with the screen locked. TRY LISTENING Reading is free. One hour of listening in step with the text is included. A one-time in-app purchase unlocks continued listening with your own audiobook or a generated voice. No subscription. Bring your own book and audiobook files; commercial titles are not included.
Screenshots
Verdict
BookVoice and Unison Reader are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. BookVoice sells 2 in-app purchases, starting at $3.99 per month and Unison Reader sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
| Parameter | BookVoice | Unison Reader |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | — | Every 2 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 26.0 | 26.0 |
| Further details — not scored | ||
| Size | 7 MB | 223 MB |
| Age rating | 17+ | 12+ |
| Developer | ERDEM AKSAKAL | Magrathea Software, LLC |
In-app purchases
BookVoice
- Unlock Pro Features$3.991 Month
- Unlock Pro Features$24.991 Year
Unison Reader
- Listening unlock$4.99









