# ReadFast vs AI PDF Scan Pro Document Maker

The clearest difference is in-app purchases: ReadFast at none against AI PDF Scan Pro Document Maker's 2. ReadFast also leads on ads (none vs shown) and iOS requirement (15.1 vs 17.0). AI PDF Scan Pro Document Maker's advantage is update cadence (every 2 weeks vs every 5 weeks). On price and device support there is nothing between them.

Both are free to download. AI PDF Scan Pro Document Maker sells 2 in-app purchases, starting at $4.99 per month. ReadFast asks for nothing beyond the download.

ReadFast ships an update every 5 weeks, AI PDF Scan Pro Document Maker every 2 weeks. The most recent releases landed on October 20, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ReadFast | AI PDF Scan Pro Document Maker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/readfast-speed-read-anything/id6756295327/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 61 MB | 111 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Leo Cui](https://appshunter.io/developer/1747685169) | [Chintan Shah](https://appshunter.io/developer/690053140) |

## What reviewers say

### ReadFast

[App page](https://appshunter.io/ios/app/readfast-speed-read-anything/id6756295327)

Enhance your reading speed with a unique word-flashing technique. This utility app presents words sequentially at a rapid pace to improve comprehension and efficiency.

**Highlights:** Rapid Serial Visual Presentation (RSVP), Word-by-word flashing, Improved reading speed, Enhanced comprehension, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


### AI PDF Scan Pro Document Maker

[App page](https://appshunter.io/ios/app/ai-pdf-scan-pro-document-maker/id6756697562)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $4.99 | per month |
| Yearly Plan | $9.99 | per year |


## Frequently asked questions

### Is ReadFast free?

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

### Is AI PDF Scan Pro Document Maker free?

AI PDF Scan Pro Document Maker is free to download, with in-app purchases available.

### Do ReadFast or AI PDF Scan Pro Document Maker have ads?

AI PDF Scan Pro Document Maker shows ads; ReadFast does not.

### Which is updated more often, ReadFast or AI PDF Scan Pro Document Maker?

ReadFast ships an update every 5 weeks, and AI PDF Scan Pro Document Maker every 2 weeks. Most recently, ReadFast was updated on October 20, 2026 and AI PDF Scan Pro Document Maker on October 28, 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.*