Comparison

Slurp vs OpenVox Reader

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Slurp

Features
Read full description

Read it later. Hear it now. Slurp reads anything aloud and lights up every word as it is spoken. Articles, PDFs, Word documents, newsletters, feeds, podcasts and video live in one library that syncs through your own iCloud. Free, with no account and no tracking. SAVE IT FROM ANYWHERE • Share a link, text, an email or a file from any app: Slurp sits in the share sheet • Web links become a clean article, pictures and all • PDF, Word, OpenDocument, RTF, TXT, Markdown and HTML files keep their formatting • Posts from X and Bluesky arrive complete A READING LIST THAT STAYS TIDY • Collections and sub-collections, in the order you drag them into • Want to Read and Finished lists, and filters for articles, PDFs, posts, podcasts and video • Search runs over the full saved text, not just titles • Items, collections and reading position sync through your own iCloud A READER WORTH STAYING IN • Clean typography with the article's real images, kept for offline reading • The highlighted word stays in view as the page scrolls with the voice • PDFs read page for page, with headers and footers left unspoken • Pick up exactly where you stopped, on whichever device is in your hand FIVE VOICES, FOUR ON YOUR DEVICE • Kokoro, KittenTTS and Inflect: neural voices that run on your iPhone, with no key and no network • Apple: every voice installed on your device, Siri voices included • ElevenLabs: optional, with your own key • Read at 0.75× to 2×, and switch voice for a single item GENERATE ONCE, LISTEN EVERYWHERE New saves are narrated in the background and the finished audio syncs to your other devices, so playback starts at once, even with no signal. PODCASTS AND VIDEO, SAME LIBRARY YouTube, Vimeo, Apple Podcasts and Spotify episodes play beside your articles, with the same player and Lock Screen controls. Podcasts download when you add them. YOUR SUBSCRIPTIONS, SPOKEN Follow any RSS or Atom feed, play a new entry on the spot or file it away for later. PRIVATE BY CONSTRUCTION No account, no analytics, no server of ours that holds what you read. Your library lives on your devices and in your own iCloud. A bug report is sent only when you send one. Slurp is also on the Mac, with browser extensions and a shortcut that reads whatever you select in any app: slop.ee/goodies/slurp Made by Slop Agency.

About

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.

Highlights
  • 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
Features
Read full description

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

Slurp4 screens
OpenVox Reader4 screens

Verdict

The call

The clearest difference is in-app purchases: Slurp at none against OpenVox Reader's 1. OpenVox Reader's advantage is update cadence (weekly vs every 4 months). On price, ads, device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. OpenVox Reader sells 1 one-off in-app purchase. Slurp asks for nothing beyond the download.

UpkeepUpdate frequency

Slurp ships an update every 4 months, OpenVox Reader weekly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
Slurp versus OpenVox Reader: the parameters behind the verdict, then further details
ParameterSlurpOpenVox Reader
PriceFreeFree
Rating—4.8 (6 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—6 — better
Update frequencyEvery 4 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free
DevicesiPhoneiPhone, iPad — better
Requires iOS18.017.0 — better
Further details — not scored
Size71 MB172 MB
Age rating4+4+
DeveloperKempu OUNitesh Kumar Sharma

In-app purchases

None

Slurp

No in-app purchases

1 purchases

OpenVox Reader

One-time1
  • OpenVox Reader Pro Lifetime$14.99

Questions

Is Slurp free?
Slurp is free to download, with no in-app purchases.
Is OpenVox Reader free?
OpenVox Reader is free to download, with in-app purchases available.
Do Slurp or OpenVox Reader have ads?
Neither Slurp nor OpenVox Reader shows ads.
Which is updated more often, Slurp or OpenVox Reader?
Slurp ships an update every 4 months, and OpenVox Reader weekly. Most recently, Slurp was updated on November 5, 2026 and OpenVox Reader on October 31, 2026.

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