# Devour vs Offline PDF Viewer

The clearest difference is ads: Offline PDF Viewer at none against Devour's shown. Offline PDF Viewer also leads on update cadence (daily vs weekly). Devour's advantage is iOS requirement (13.4 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Devour sells 2 in-app purchases, starting at $1.99 per month and Offline PDF Viewer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Devour ships an update weekly, Offline PDF Viewer daily. The most recent releases landed on October 16, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Devour | Offline PDF Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Daily** |
| Size | 30 MB | 10 MB |
| Requires iOS | **13.4** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Brett Cassidy](https://appshunter.io/developer/1821458102) | [takaaki024](https://appshunter.io/developer/393783638) |

## What reviewers say

### Devour

[App page](https://appshunter.io/ios/app/devour-read-faster/id6758223988)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $14.99 | per year |


### Offline PDF Viewer

[App page](https://appshunter.io/ios/app/offline-pdf-viewer/id6789788357)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support Developer | $2.99 | one-time |


## Frequently asked questions

### Is Devour free?

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

### Is Offline PDF Viewer free?

Offline PDF Viewer is free to download, with in-app purchases available.

### Do Devour or Offline PDF Viewer have ads?

Devour shows ads; Offline PDF Viewer does not.

### Which is updated more often, Devour or Offline PDF Viewer?

Devour ships an update weekly, and Offline PDF Viewer daily. Most recently, Devour was updated on October 16, 2026 and Offline PDF Viewer on October 18, 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.*