# Offline PDF Viewer vs FolderShelf

The clearest difference is update cadence: Offline PDF Viewer at daily against FolderShelf's every 5 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Offline PDF Viewer sells 1 one-off in-app purchase and FolderShelf sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Offline PDF Viewer ships an update daily, FolderShelf every 5 days. The most recent releases landed on October 28, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Offline PDF Viewer | FolderShelf |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 5 days |
| Size | 10 MB | 8 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [takaaki024](https://appshunter.io/developer/393783638) | [MASAYOSHI SUGIMOTO](https://appshunter.io/developer/6808413630) |

## What reviewers say

### 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 |


### FolderShelf

[App page](https://appshunter.io/ios/app/foldershelf-pdf-and-images/id6811250331)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Version | $2.99 | one-time |


## Frequently asked questions

### Is Offline PDF Viewer free?

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

### Is FolderShelf free?

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

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

Neither Offline PDF Viewer nor FolderShelf shows ads.

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

Offline PDF Viewer ships an update daily, and FolderShelf every 5 days. Most recently, Offline PDF Viewer was updated on October 28, 2026 and FolderShelf on October 26, 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.*