# PDF Reader vs ZenShield

The clearest difference is ads: ZenShield at none against PDF Reader's shown. ZenShield also leads on update cadence (daily vs monthly). PDF Reader's advantage is iOS requirement (14.0 vs 16.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Reader sells 3 in-app purchases, starting at $2.99 per 7 days and ZenShield sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

PDF Reader ships an update monthly, ZenShield daily. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | PDF Reader | ZenShield |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (408 ratings)](https://appshunter.io/ios/app/pdf-reader-document-reader/id6450378658/reviews)** | — |
| Number of ratings | **408** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 28 MB | 3 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rajanibhai Sheladiya](https://appshunter.io/developer/1693041623) | [Africapps LLC](https://appshunter.io/developer/989628166) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-document-reader/id6450378658)

This app allows users to easily find, open, read, and manage all PDF and Office files stored on their mobile device. It offers features for annotating, signing, and organizing documents, with options for offline viewing and sharing.

**Highlights:** Auto scan and find all files, Offline PDF viewer, Read and annotate PDFs, File management and organization, Share files easily, Favorite PDF pages

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly ( 1 Week ) | $2.99 | per 7 days |
| Monthly ( 1 Month ) | $6.99 | per month |
| Yearly ( 1 Year ) | $24.99 | per year |

**What reviewers like**

- 👍 Very useful for processing files
- 👍 Easy to use
- 👍 Brilliant application
- 👍 Helped with work progression

**What reviewers complain about**

-  anúncios Excessivos
- 👎 Cannot open PDFs
- 👎 App is useless
- 👎 Forced vertical orientation
- 👎 Constant ads

**Reported bugs**

- App crashed and locked PDF
- Photos not appearing in PDF conversion
- Ads cannot be closed
- App tries to load scanning software instead of reading PDF
- App does not appear in preferred app list

**Requested features**

- Save page number for resuming reading
- Respect user time before asking for payment


### ZenShield

[App page](https://appshunter.io/ios/app/zenshield-anti-doomscrolling/id6807668620)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZenShield Pro Monthly | $4.99 | per month |
| ZenShield Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is PDF Reader free?

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

### Is ZenShield free?

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

### Do PDF Reader or ZenShield have ads?

PDF Reader shows ads; ZenShield does not.

### Which is updated more often, PDF Reader or ZenShield?

PDF Reader ships an update monthly, and ZenShield daily. Most recently, PDF Reader was updated on October 16, 2026 and ZenShield on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*