Knowuro reader vs Lumid
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Knowuro reader
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Knowuro Reader gives you access to our whole library of books and flowcharts, anywhere, anytime. * Full access to our library * Interactive Quiz with questions from all our books * Full-text search in each book * Early access to future Knowuro releases * Always up-to-date text * Exclusive digital features and extra content * Works without internet connection after the first login — no connection in the ER? Airplane? No problem! * Roadmap with more exciting features to aid you studying Urology, or during your practice
Lumid
Convert text from documents, webpages, and photos into natural-sounding speech. Enjoy offline listening with customizable voices and playback speeds. Unlock premium features like unlimited word count and ePub support through a subscription.
- Text-to-speech conversion
- Offline audio generation
- Supports PDFs, documents, webpages, photos
- Natural-sounding voices
- Customizable playback speed
- Unlimited word count (premium)
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Lumid is a text-to-speech app that transforms your reading into an effortless listening experience—all offline and without word limits. Easily convert PDFs, documents, webpages, or photos into natural-sounding speech. Import content using your camera, file uploads, or direct text entry, and enjoy listening with a selection of high-quality voices at customizable speeds. Premium Features (available via in-app subscription): - Access to the full app - Access to all premium voices - Import ePubs, PDFs, webpages, and images - Unlimited word count - Offline audio generation - Adjustable playback speed Privacy Policy: https://www.lumid.app/privacy Terms & Conditions: https://www.lumid.app/terms
Screenshots
Verdict
The clearest difference is in-app purchases: Knowuro reader at none against Lumid's 3. Knowuro reader also leads on iOS requirement (14.0 vs 18.0). On price, update cadence, 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. Lumid sells 3 in-app purchases, starting at $4.99 per month. Knowuro reader asks for nothing beyond the download.
Knowuro reader ships an update every 4 weeks, Lumid monthly. The most recent releases landed on September 17, 2026 and June 4, 2026 respectively.
| Parameter | Knowuro reader | Lumid |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (6 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 6 — better |
| Update frequency | Every 4 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 24 MB | 393 MB |
| Age rating | 17+ | 4+ |
| Developer | Knowuro | Lumid Labs, LLC |
In-app purchases
Knowuro reader
No in-app purchases
Lumid
- Premium$4.991 Month
- Premium$44.991 Year
- Premium$99.99
Questions
Is Knowuro reader free?
Is Lumid free?
Do Knowuro reader or Lumid have ads?
Which is updated more often, Knowuro reader or Lumid?
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