# Express Scan vs Readius

The clearest difference is ads: Readius at none against Express Scan's shown. Express Scan's advantage is update cadence (every 6 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Express Scan ships an update every 6 days, Readius every 2 months. The most recent releases landed on July 23, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Express Scan | Readius |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (4 ratings)](https://appshunter.io/ios/app/express-scanfast-pdf-scanner/id1625121991/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 6 days** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 26 MB | 418 MB |
| Requires iOS | **13.0** | 14 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [APPS BAY LIMITED](https://appshunter.io/developer/1599035519) | [Shantou Institute of Ultrasonic Inst. Co., Ltd.](https://appshunter.io/developer/406261738) |

## What reviewers say

### Express Scan

[App page](https://appshunter.io/ios/app/express-scanfast-pdf-scanner/id1625121991)

This free utility app allows you to scan documents, ID cards, and pictures, converting them into PDF format. You can then save, share, and print your scanned files easily from your mobile device.

**Highlights:** Scan documents and pictures, Convert to PDF format, Save scanned files, Share PDF documents, Print PDF files

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

**In-app purchases:** none


### Readius

[App page](https://appshunter.io/ios/app/readius/id6443592437)

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

**In-app purchases:** none


## Frequently asked questions

### Is Express Scan free?

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

### Is Readius free?

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

### Do Express Scan or Readius have ads?

Express Scan shows ads; Readius does not.

### Which is updated more often, Express Scan or Readius?

Express Scan ships an update every 6 days, and Readius every 2 months. Most recently, Express Scan was updated on July 23, 2026 and Readius on September 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.*