# SpeedReadify vs ReadPDB

The clearest difference is in-app purchases: ReadPDB at none against SpeedReadify's 1. ReadPDB also leads on update cadence (daily vs every 4 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SpeedReadify sells 1 in-app purchase, starting at $3.99 per month. ReadPDB asks for nothing beyond the download.

SpeedReadify ships an update every 4 days, ReadPDB daily. The most recent releases landed on October 1, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | SpeedReadify | ReadPDB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/speedreadify/id6758282393/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | **Daily** |
| Monetization | Freemium | — |
| Size | 13 MB | 13 MB |
| Requires iOS | 18.5 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pedro Poveda](https://appshunter.io/developer/1556908560) | [Jaime Martin Lozano](https://appshunter.io/developer/1766116629) |

## What reviewers say

### SpeedReadify

[App page](https://appshunter.io/ios/app/speedreadify/id6758282393)

Enhance your reading speed and comprehension with a distraction-free, word-by-word presentation. Import various document types, track your progress, and test your understanding with AI-powered quizzes.

**Highlights:** RSVP speed reading, Adjustable WPM (100-1000), Import EPUB, PDF, text, URLs, AI text extraction from scans, Reading progress tracking, AI comprehension quizzes (Premium)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SpeedReadify Premium | $3.99 | per month |


### ReadPDB

[App page](https://appshunter.io/ios/app/readpdb/id6797103554)

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

**In-app purchases:** none


## Frequently asked questions

### Is SpeedReadify free?

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

### Is ReadPDB free?

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

### Do SpeedReadify or ReadPDB have ads?

Neither SpeedReadify nor ReadPDB shows ads.

### Which is updated more often, SpeedReadify or ReadPDB?

SpeedReadify ships an update every 4 days, and ReadPDB daily. Most recently, SpeedReadify was updated on October 1, 2026 and ReadPDB on October 4, 2026.

---

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