Local TTS vs OpenVox Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Local TTS
This app converts text into lifelike speech using on-device processing. It supports various file formats, including PDFs and Word documents, and allows scanning printed pages. Enjoy offline playback with customizable voices and background audio controls.
- 100% offline text-to-speech
- Import PDF, EPUB, Word, TXT, Markdown
- Scan printed pages with camera (OCR)
- Background playback with lock screen controls
- iCloud sync across devices
- Adjustable playback speed
- Word-by-word highlighting
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Local TTS turns any text into natural speech with 38 neural voices, powered by the open-source Kokoro-82M and Supertonic 3 engines — 100% offline, right on your iPhone or iPad. Listen to PDFs, e-books, articles, scans, and notes with no internet, no account, and no tracking. Nothing ever leaves your device. TWO OPEN-SOURCE NEURAL ENGINES • Kokoro-82M: 28 natural American and British English voices • Supertonic 3: multilingual voices that read 31 languages, with automatic language detection • Every voice runs entirely on your device — it even works in airplane mode ALL 31 LANGUAGES English, Spanish, French, German, Italian, Portuguese, Dutch, Russian, Ukrainian, Polish, Czech, Slovak, Slovenian, Croatian, Bulgarian, Romanian, Hungarian, Greek, Swedish, Danish, Finnish, Lithuanian, Latvian, Estonian, Turkish, Arabic, Hindi, Indonesian, Vietnamese, Japanese, and Korean. READ FROM ALMOST ANYTHING • Files: import PDF, EPUB, Word (DOCX), TXT, and Markdown • Paper: scan a printed page with the camera, or read text from a photo — on-device OCR • Everything else: paste text or type your own notes A READING VIEW THAT FOLLOWS ALONG • Word-by-word highlighting synced to the audio • Immersive mode: the toolbar and player tuck away while you listen — or pin the player • Make it yours: choose the reading font and text size • Search inside a document, jump from the PDF table of contents, and pick up right where you left off • Natural delivery: dates, units, and Roman numerals are read the way people actually say them MADE FOR LISTENING • Background playback with lock screen and Control Center controls • Adjustable playback speed • A different voice for each note, plus tags to keep things organized • Private iCloud sync across iPhone and iPad FREE PLAN • One Supertonic 3 multilingual voice that reads all 31 languages • Three premium Kokoro-82M English voices • Read up to 500 characters per note • No account required — and no ads, ever GO PRO — UNLOCK EVERYTHING • Unlimited text: paste or import with no 500-character cap • The full catalog of all 38 neural voices • Export speech as M4A audio files to play anywhere, on any device • Full multi-page PDF import • Still 100% offline and private, even with Pro SUPPORTED DEVICES On-device neural speech needs a recent chip, so Local TTS requires: • iPhone 12 or later • iPad (10th generation) or later • iPad Air (4th generation) or later • iPad mini (6th generation) or later • iPad Pro (M1, 2021) or later • iOS / iPadOS 18.6 or later Download Local TTS and turn every screen into your personal narrator. • Contact: support@richsoft.app • Privacy Policy: https://richsoft.app/tts/privacy • Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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 monetization model: OpenVox Reader at free against Local TTS's freemium. OpenVox Reader also leads on review sentiment (100% vs 80%). Local TTS's advantage is ratings volume (9 vs 3). On price, rating, update cadence and ads 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. Local TTS sells 1 one-off in-app purchase and OpenVox Reader sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.6 for Local TTS against 4.7 for OpenVox Reader. Both are backed by a comparable volume of ratings — 9 and 3 respectively. Written reviews are what separate them: 80% of Local TTS's written reviews are positive against 100% of OpenVox Reader's.
Local TTS ships an update weekly, OpenVox Reader every 6 days. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.
| Parameter | Local TTS | OpenVox Reader |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (9 ratings) | 4.7 (3 ratings) — better |
| Positive reviews | 80.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 9 — better | 3 |
| Update frequency | Weekly | Every 6 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 529 MB | 200 MB |
| Age rating | 4+ | 4+ |
| Developer | Rich Soft Co., Ltd | Nitesh Kumar Sharma |
Customer experience
Local TTS
OpenVox Reader
In-app purchases
Local TTS
- Local TTS Pro Lifetime$9.99
OpenVox Reader
- OpenVox Reader Pro Lifetime$14.99









