Vox libri vs Listen 2 Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Vox libri
This app offers a flexible and personalized reading experience for books and documents. It supports various reading methods including text-to-speech, braille displays, and customizable on-screen options. Enjoy your content comfortably and accessibly, with features like AI translation and smart navigation.
- High-quality text-to-speech
- Braille display compatibility
- Customizable reading screen
- Support for multiple document formats
- Fully accessible interface
- Smart navigation
- On-device AI translation and summarization
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Read your way: accessible, comfortable, and without barriers. Vox Libri is designed to help anyone read books and documents in a flexible, personalized, and fully accessible way. Whether you prefer reading on screen, using a braille display, or listening with high-quality text-to-speech, enjoying your content has never been easier. Lightweight, fast, and built for readers who want a comfortable, distraction-free, and inclusive reading experience. Key Features • High-quality text-to-speech for natural and expressive read-aloud. This application uses the voices installed on your device. • Braille reading mode, fully compatible with braille displays. • Customizable reading screen with adjustable font, size, colors, spacing, and themes. • Support for major document formats, including TXT, PDF, DOCX, RTF, HTML, Markdown, and EPUB. • Fully accessible interface, optimized for blind users, low-vision users, and people with reading difficulties. • Smart navigation through chapters, headings, pages, bookmarks, and document sections. • Hands-free reading via headphone controls. • On-device AI translation, summarization, and simplification when supported by the device. • Full Spanish, English, Italian, French and Greek support across the interface and reading experience. Vox Libri is perfect for people with dyslexia, low vision, braille users, students, professionals, or anyone who wants a more comfortable and customizable reading experience. Carry your entire library with you and read however you prefer.
Listen 2 Reader
This app converts text to natural-sounding speech using on-device neural TTS engines. It supports various document formats and offers advanced voice tuning and word-level highlighting for an immersive reading experience without cloud reliance or subscriptions.
- On-device neural text-to-speech
- 100+ voices in 13 languages
- Voice tuning and presets
- Import PDF, EPUB, DOCX, and more
- Word-by-word highlighting
- AI figure descriptions
- True offline privacy
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Listen2 runs neural text-to-speech directly on your iPhone or iPad without connecting to cloud services. No subscription or accounts — just a 7 day free trial and then a one-time purchase. Most text-to-speech apps either use the tried and true system voices or require monthly payments for cloud processing. Listen2 runs neural voice models locally using your iOS device's CPU and Apple Neural Engine, giving you natural-sounding speech without ongoing costs or privacy tradeoffs. WHAT MAKES LISTEN2 DIFFERENT Multi-Voice Engines, One App Piper provides reliable neural voices across 13 languages. Supertonic offers a fresh take on a voice engine — flow-matching models running on Apple's Neural Engine via CoreML for natural rhythm and expressive speech. Choose from 100+ voices in English, Spanish, French, German, Italian, Portuguese, Russian, Turkish, Greek, Hindi, Vietnamese, Swedish and Hungarian. More coming. Voice Tuning Adjust the model parameters of any voice to suit your preferences. Save presets to switch between profiles. Preview pronunciation rules before saving them. Import Anything PDF, EPUB, DOCX, DAISY, markdown, plain text, clipboard, or web articles. Share from Safari and Listen2 extracts the article text. Paywalled content works (even sites on which other major TTS apps fail) when shared from a browser where you are logged in. Machine Learning Word Sync CTC forced alignment matches audio to text at the word level. Watch each word highlight as it is spoken — across Latin and non-Latin scripts alike. Highlighting engine newly re-build to be lean and efficient that's dramatically easier on your battery life. Smart Document Reading Multi-column layout handling, footnote filtering (for PDF files), hyphenated word rejoining. AI Vision for scanned PDFs. Full EPUB, DOCX, and DAISY support. Figure Descriptions On-device AI vision generates spoken descriptions of figures, charts, and photos as you listen. For non-English documents, descriptions translate automatically via Apple's on-device Translation framework. (Works with EPUB and PDF as a first roll-out) Pronunciation Rules Fix how any word is spoken without changing display text. Rules for names, terms, or abbreviations. Live preview before saving. Built-in presets for footnote markers. Global or per-document. Doesn't break highlighting. True Offline Privacy Processing, normalization, and synthesis all happen on-device. Documents never leave your phone. No uploads, account, or tracking. FEATURES - 100+ neural voices across 13 languages, plus dozens of Apple system voices - 3+ engines: Piper (broad language support), Supertonic (high-fidelity CoreML, flow-matching models), and Kokoro. Apple system voices offer efficient, quality options if using enhanced or premium models. - Voice tuning with saveable presets - Word-by-word or sentence highlighting - PDF, EPUB, DOCX, DAISY, TXT, Markdown support - AI figure descriptions with auto-translation (PDF and EPUB support) - Collections with intros, cover art, and auto-advance - Web Article Collections — batch articles into an auto-playing queue - Clipboard import and Siri shortcut support - 0.5x to 2.5x playback speed (Kokoro supports up to 1.4x because of real-time constraint) - Background playback with lock screen controls - Import from Files, links, Share Extension, or other apps - Export any document as a plain-text file from the library - Pronunciation rules with live preview - Atkinson Hyperlegible and OpenDyslexic fonts - Full VoiceOver support with rotor navigation and Magic Tap - Elapsed and remaining time in now playing & reader view. WHO IT'S FOR - Commuters turning drive time into learning time - Students reviewing papers and textbooks - Professionals handling confidential documents privately - VoiceOver users looking for a fully accessible TTS reader - Readers with dyslexia who benefit from audio-visual sync - Anyone tired of TTS subscriptions One-time purchase. 7-day free trial. No subscriptions.
Screenshots
Verdict
The clearest difference is price: Listen 2 Reader at Free against Vox libri's $4.99. Listen 2 Reader also leads on ratings volume (12 vs 2). Vox libri's advantage is in-app purchases (none vs 1) and rating (5.0 vs 4.8). On review sentiment, update cadence, ads and iOS requirement 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
Listen 2 Reader is free to download; Vox libri costs $4.99 up front. Listen 2 Reader sells 1 one-off in-app purchase. Vox libri asks for nothing beyond the download.
Vox libri holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Listen 2 Reader has 12 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.
Vox libri ships an update every 11 days, Listen 2 Reader every 10 days. The most recent releases landed on September 19, 2026 and September 25, 2026 respectively.
| Parameter | Vox libri | Listen 2 Reader |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 5.0 (2 ratings) — better | 4.8 (12 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 2 | 12 — better |
| Update frequency | Every 11 days | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Best chart rank | #109 — better | — |
| Devices | iPhone, iPad, Mac, Apple Watch — better | iPhone, iPad |
| Requires iOS | 18.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 38 MB | 182 MB |
| Age rating | 4+ | 4+ |
| Developer | Jonathan Chacon Barbero | Zach Swift |
Customer experience
Vox libri
Listen 2 Reader
In-app purchases
Vox libri
No in-app purchases
Listen 2 Reader
- Listen2 Full Access$19.99





