# Speed Reading & Book Reader vs Predo

The clearest difference is ads: Predo at none against Speed Reading & Book Reader's shown. Speed Reading & Book Reader's advantage is iOS requirement (15.6 vs 18.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Speed Reading & Book Reader sells 3 in-app purchases, starting at $3.99 per month and Predo sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 6, 2026 and August 21, 2026 respectively.

## The numbers

| Metric | Speed Reading & Book Reader | Predo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Size | 120 MB | 18 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yunus Emre Ozturk](https://appshunter.io/developer/1712559210) | [Cappsule Teknoloji](https://appshunter.io/developer/1676687521) |

## What reviewers say

### Speed Reading & Book Reader

[App page](https://appshunter.io/ios/app/speed-reading-and-book-reader/id6469732629)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Premium | $3.99 | per month |
| 3 Aylık Premium | $7.99 | per 3 months |
| Yıllık Premium | $29.99 | per year |


### Predo

[App page](https://appshunter.io/ios/app/predo-speed-reading-trainer/id6755594891)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Predo Pro | $4.99 | one-time |


## Frequently asked questions

### Is Speed Reading & Book Reader free?

Speed Reading & Book Reader is free to download, with in-app purchases available.

### Is Predo free?

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

### Do Speed Reading & Book Reader or Predo have ads?

Speed Reading & Book Reader shows ads; Predo does not.

### Which is updated more often, Speed Reading & Book Reader or Predo?

Speed Reading & Book Reader ships an update every 2 months, and Predo every 2 months. Most recently, Speed Reading & Book Reader was updated on September 6, 2026 and Predo on August 21, 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.*