# Knowuro reader vs Lumid

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.

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 October 23, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Knowuro reader | Lumid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/lumid-text-to-speech/id6742039590/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 24 MB | 393 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Knowuro](https://appshunter.io/developer/1728721237) | [Lumid Labs, LLC](https://appshunter.io/developer/1796496660) |

## What reviewers say

### Knowuro reader

[App page](https://appshunter.io/ios/app/knowuro-reader/id6477208617)

**In-app purchases:** none


### Lumid

[App page](https://appshunter.io/ios/app/lumid-text-to-speech/id6742039590)

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.

**Highlights:** Text-to-speech conversion, Offline audio generation, Supports PDFs, documents, webpages, photos, Natural-sounding voices, Customizable playback speed, Unlimited word count (premium)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per month |
| Premium | $44.99 | per year |
| Premium | $99.99 | one-time |


## Frequently asked questions

### Is Knowuro reader free?

Knowuro reader is free to download, with no in-app purchases.

### Is Lumid free?

Lumid is free to download, with in-app purchases available.

### Do Knowuro reader or Lumid have ads?

Neither Knowuro reader nor Lumid shows ads.

### Which is updated more often, Knowuro reader or Lumid?

Knowuro reader ships an update every 4 weeks, and Lumid monthly. Most recently, Knowuro reader was updated on October 23, 2026 and Lumid on September 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*