# Lucid Reader vs Offline PDF Viewer

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

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

Lucid Reader ships an update fortnightly, Offline PDF Viewer daily. The most recent releases landed on September 26, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Lucid Reader | Offline PDF Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Size | 4 MB | 10 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Satoshi Takezawa](https://appshunter.io/developer/1677095481) | [takaaki024](https://appshunter.io/developer/393783638) |

## What reviewers say

### Lucid Reader

[App page](https://appshunter.io/ios/app/lucid-reader/id6446276548)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Mode | $0.99 | one-time |


### 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 Lucid Reader free?

Lucid Reader 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 Lucid Reader or Offline PDF Viewer have ads?

Neither Lucid Reader nor Offline PDF Viewer shows ads.

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

Lucid Reader ships an update fortnightly, and Offline PDF Viewer daily. Most recently, Lucid Reader was updated on September 26, 2026 and Offline PDF Viewer on September 14, 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.*