LeafWave vs Unison Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LeafWave
This app allows you to read and listen to books and documents, offering customizable reading experiences and on-device narration. It supports various file formats and provides tools for annotation and sharing, with a strong focus on user privacy.
- Import EPUB, PDF, text, and more
- Switch between visual reading and narration
- On-device narration for privacy and offline use
- Adjustable text size, spacing, and themes
- Add bookmarks and highlights
- Export annotated documents
- Access free public-domain titles
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LeafWave helps you read with your eyes, listen at your pace, and keep your place across long books and documents. Import EPUB, PDF, text, RTF, HTML, and Markdown files, then switch naturally between visual reading and narration. LeafWave’s bundled neural voices run on your iPhone or iPad, so your document text stays private and narration works offline. Apple system voices remain available too. READ YOUR WAY • Adjust text size, spacing, theme, and reading layout • Move by chapter, page, paragraph, or book progress • Resume from your saved reading or listening position • Browse more than 75,000 free public-domain titles from Project Gutenberg LISTEN ANYWHERE • Expressive on-device narration with multiple voice styles • Automatic language detection and narration across 31 languages with Premium • Background and lock-screen playback with system media controls • Adjustable narration speed and generated-audio continuity • Teach LeafWave how to pronounce names and tricky words with Premium MARK UP AND SHARE • Add bookmarks and highlights • Attach comments to exact passages • Export annotated PDFs, embedded PDF annotations, or an editable LeafWave Review Package PRIVATE BY DESIGN • No LeafWave account, advertising, analytics, or tracking • Narration and document analysis happen on-device • Optional iCloud sync is off by default and uses your private iCloud account • Imported documents remain local unless you enable sync or share an export LeafWave includes a 14-day Premium trial. After the trial, visual reading, bookmarks, Apple system narration, two natural voice styles, five narration languages (English, Spanish, French, Portuguese, and German), and a five-book library remain available. Premium unlocks all ten natural voice styles, all 31 narration languages, unlimited books, Teach LeafWave, highlights, comments, annotated exports, and optional iCloud sync. Subscriptions renew automatically unless cancelled in App Store account settings. Lifetime Premium is a one-time purchase. Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Unison Reader
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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
The clearest difference is in-app purchases: LeafWave at none against Unison Reader's 1. LeafWave also leads on iOS requirement (17.0 vs 26.0). On price, ads 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. Unison Reader sells 1 one-off in-app purchase. LeafWave asks for nothing beyond the download.
| Parameter | LeafWave | Unison Reader |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 4 days | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 266 MB | 217 MB |
| Age rating | 4+ | 12+ |
| Developer | Samik Banerjee | Magrathea Software, LLC |
In-app purchases
LeafWave
No in-app purchases
Unison Reader
- Listening unlock$4.99





