# AI Reader vs Redd

The clearest difference is in-app purchases: AI Reader at none against Redd's 3. AI Reader also leads on rating (4.7 vs 4.3) and ratings volume (143 vs 4). Redd's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.1). On price, review sentiment, update cadence and device support there is nothing between them.

Both are free to download. Redd sells 3 one-off in-app purchases. AI Reader asks for nothing beyond the download.

AI Reader holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: AI Reader has 143 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 79% of AI Reader's written reviews are positive against 75% of Redd's.

AI Reader ships an update every 10 days, Redd weekly. The most recent releases landed on September 23, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | AI Reader | Redd |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (143 ratings)](https://appshunter.io/ios/app/ai-reader-read-aloud-pdf-book/id6754524209/reviews)** | [4.3 (4 ratings)](https://appshunter.io/ios/app/redd-speed-reader/id6757965939/reviews) |
| Number of ratings | **143** | 4 |
| Positive reviews | **78.6% of reviews** | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | Ad-supported | **Free** |
| Size | 45 MB | 35 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Nguyen Hong Phuc](https://appshunter.io/developer/1519084763) | [Monosphere](https://appshunter.io/developer/1783637905) |

## What reviewers say

### AI Reader

[App page](https://appshunter.io/ios/app/ai-reader-read-aloud-pdf-book/id6754524209)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Redd

[App page](https://appshunter.io/ios/app/redd-speed-reader/id6757965939)

This app enhances reading speed using a unique "Rolling Chunk" engine that presents text in fluid segments, unlike traditional word-by-word flashers. It supports web articles, PDFs, and ePubs, offering adjustable speeds and a smart library to save progress. All processing is done locally for enhanced privacy.

**Highlights:** Rolling Chunk engine for fluid text presentation, Supports web articles, PDFs, and ePubs, Adjustable reading speed (200-1000 WPM), Smart library saves reading progress, 100% local text processing for privacy, Light and Dark themes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small tip | $2.99 | one-time |
| Generous tip | $4.99 | one-time |
| Amazing support | $9.99 | one-time |


## Frequently asked questions

### Is AI Reader free?

AI Reader is free to download, with no in-app purchases.

### Is Redd free?

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

### Which has better reviews, AI Reader or Redd?

AI Reader is rated higher. AI Reader averages 4.7 out of 5 from 143 ratings, while Redd averages 4.3 from 4 ratings.

### Do AI Reader or Redd have ads?

AI Reader shows ads; Redd does not.

### Which is updated more often, AI Reader or Redd?

AI Reader ships an update every 10 days, and Redd weekly. Most recently, AI Reader was updated on September 23, 2026 and Redd on September 19, 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.*