# PDF Reader vs eThalamus Client Widefense

The clearest difference is in-app purchases: eThalamus Client Widefense at none against PDF Reader's 2. PDF Reader's advantage is update cadence (monthly vs every 19 months) and iOS requirement (9.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. PDF Reader sells 2 in-app purchases, starting at $1.99 per month. eThalamus Client Widefense asks for nothing beyond the download.

PDF Reader ships an update monthly, eThalamus Client Widefense every 19 months. The most recent releases landed on October 22, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | PDF Reader | eThalamus Client Widefense |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (93 ratings)](https://appshunter.io/ios/app/pdf-reader-edit-and-storage/id889642590/reviews)** | — |
| Number of ratings | **93** | — |
| Positive reviews | 46.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 19 months |
| Monetization | Freemium | — |
| Size | 52 MB | 1 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ABV Mobile](https://appshunter.io/developer/595885253) | [eThalamus](https://appshunter.io/developer/1650479799) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-edit-and-storage/id889642590)

Easily view, edit, search, and annotate PDF documents. This software helps manage your daily work needs by supporting multiple document formats and offering convenient sharing and printing options.

**Highlights:** View PDF documents, Text search within PDFs, Annotate documents, Document management, Support multiple formats, Share and print PDFs

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly VIP | $1.99 | per month |
| Annual VIP | $14.49 | per year |


### eThalamus Client Widefense

[App page](https://appshunter.io/ios/app/ethalamus-client-widefense/id6443908103)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader free?

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

### Is eThalamus Client Widefense free?

eThalamus Client Widefense is free to download, with no in-app purchases.

### Do PDF Reader or eThalamus Client Widefense have ads?

Neither PDF Reader nor eThalamus Client Widefense shows ads.

### Which is updated more often, PDF Reader or eThalamus Client Widefense?

PDF Reader ships an update monthly, and eThalamus Client Widefense every 19 months. Most recently, PDF Reader was updated on October 22, 2026 and eThalamus Client Widefense on October 12, 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.*