AI Reader vs OpenVox Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AI Reader
Transform any text, PDF, or eBook into an audiobook with realistic, human-like AI voices. Enjoy your entire library as a personal audio collection without ads or sign-up. Listen while multitasking or relaxing.
- Realistic AI text-to-speech voices
- Convert eBooks, PDFs, and documents to audio
- Highlight and replay sentences/words
- Listen while commuting or working
- No ads or sign-up required
- Multiple human-sounding voice options
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ReaderAI lets you read and listen to books for free, with realistic text-to-speech (TTS) that sounds truly human. Enjoy your favorite eBooks, PDFs, and documents anytime, anywhere. Turn every book into an audiobook with lifelike AI voices. AI Text-to-Speech (TTS) – Human-like Voices Experience next-generation reading with natural AI voices that bring your books to life. Just tap “Read Aloud” to instantly turn any text, PDF, or eBook into an audiobook. Choose from multiple human-sounding voices Highlight and replay any sentence or word Listen while commuting, working out, cooking, or falling asleep Your entire library becomes a personal AI audiobook collection. No Ads. No Sign-Up. 100% Free. ReaderAI is designed for focus and comfort — no ads, no registration, and no interruptions. Just open your book, choose your voice, and start reading or listening. Your Books. Your Voices. Your Freedom. Whether you love reading, prefer listening, or both — ReaderAI transforms your books into an immersive, human-like audio experience. Perfect for readers, students, language learners, and audiobook fans. Download ReaderAI – Read and Listen Smarter, with Human AI Voices.
OpenVox Reader
Transform any text into natural-sounding audio for offline listening. Import books, PDFs, documents, and web links. Choose from hundreds of voices, adjust playback speed, and save important sentences. Keep your documents private with local processing.
- Text to audio conversion
- Offline listening
- Import ebooks, PDFs, documents, web links
- Hundreds of natural voices
- Custom voice creation
- Adjustable playback speed
- Save important sentences
- In-document search
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Turn Reading Time into Listening Time OpenVox Reader transforms books, PDFs, documents, web links and text into natural-sounding audio, so you can keep reading while commuting, walking, exercising, resting or working. Import your content, choose from hundreds of voices, create your own custom voice, and listen at your preferred speed without sending your private documents to an online speech service. Listen to Almost Anything Bring all your reading into one simple library: • Import ebooks and PDFs • Add documents and text files • Save web links for listening • Scan printed pages • Paste or type text directly • Organize everything in one place OpenVox Reader can generate and play speech locally on your device, so once the required voices are downloaded, you can listen without an internet connection. Natural Voices You’ll Enjoy Choose from more than 200 voices across 30+ languages and find the voice that best suits your book, article or document. You can also create custom voices for English, German, Italian, Portuguese, and Spanish from a short voice sample using Pocket TTS and listen to your content in a voice you choose. Listen at Your Own Pace Adjust playback from 0.5x all the way to 2.5x with smooth, pitch-preserving audio. Choose convenient presets including: • 0.5x • 1.0x • 1.5x • 2.0x • 2.5x Faster playback is supported with optimized buffering and accurate elapsed and remaining-time calculations. Save Important Sentences Found something worth coming back to? Bookmark the sentence you are currently reading and access it anytime from Saved Sentences. You can: • Save or remove sentences instantly • Browse all saved passages • Filter your saved sentences • Jump directly back to the original location • Delete bookmarks you no longer need Search Inside Your Documents Quickly find words, phrases or sections without scrolling through an entire book or document. Search in Document provides result previews and lets you jump directly to each matching location. EPUB search is optimized chapter by chapter to keep memory usage efficient even with larger books. Listen Without an Internet Connection Keep listening on flights, trains, commutes or anywhere without reliable internet access. Speech generation happens locally, allowing downloaded voices and imported content to remain available when you need them. Private by Design Your documents are processed locally for speech generation rather than being uploaded to a cloud TTS service. OpenVox Reader is built for people who want convenient AI-powered reading while keeping control of their content. Track Your Reading Journey See how much you have actually listened and keep your reading momentum going with: • Listening time • Daily and weekly progress • Reading streaks • Recently opened content • Personal listening statistics Reading time is calculated from audio that was actually spoken, giving you a accurate picture of your listening activity. Made for iPhone and iPad Use OpenVox Reader across iPhone and iPad with iCloud sync for your library. Your content stays organized across your Apple devices, and one purchase unlocks the app on both iPhone and iPad. Read More, Even When You’re Offline Whether you’re travelling, exercising, relaxing, commuting or getting work done, OpenVox Reader helps turn spare moments into meaningful reading time. Download OpenVox Reader and start listening to your reading today.
Screenshots
Verdict
The clearest difference is in-app purchases: AI Reader at none against OpenVox Reader's 1. AI Reader also leads on ratings volume (143 vs 3) and iOS requirement (15.1 vs 17.0). OpenVox Reader's advantage is ads (none vs shown) and review sentiment (100% vs 76%). On price, rating, update cadence 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. OpenVox Reader sells 1 one-off in-app purchase. AI Reader asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.7 for AI Reader against 4.7 for OpenVox Reader. That said, the two scores are not equally well evidenced: AI Reader has 143 ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 76% of AI Reader's written reviews are positive against 100% of OpenVox Reader's.
AI Reader ships an update every 10 days, OpenVox Reader every 6 days. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.
| Parameter | AI Reader | OpenVox Reader |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (143 ratings) | 4.7 (3 ratings) |
| Positive reviews | 76.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 143 — better | 3 |
| Update frequency | Every 10 days | Every 6 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 45 MB | 200 MB |
| Age rating | 4+ | 4+ |
| Developer | Nguyen Hong Phuc | Nitesh Kumar Sharma |
Customer experience
AI Reader
OpenVox Reader
In-app purchases
AI Reader
No in-app purchases
OpenVox Reader
- OpenVox Reader Pro Lifetime$14.99









