# PDF Tool App vs Westocean

The clearest difference is update cadence: PDF Tool App at every 2 months against Westocean's every 38 months. PDF Tool App also leads on iOS requirement (10.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PDF Tool App ships an update every 2 months, Westocean every 38 months. The most recent releases landed on June 1, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | PDF Tool App | Westocean |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/pdf-tool-app/id1348673464/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 38 months |
| Monetization | Free | — |
| Size | 38 MB | 25 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [洪彬 林](https://appshunter.io/developer/1199790281) | [Beijing Better farm technologies Co., Ltd.](https://appshunter.io/developer/1545562742) |

## What reviewers say

### PDF Tool App

[App page](https://appshunter.io/ios/app/pdf-tool-app/id1348673464)

A lightweight and fast PDF reader with a clean interface. It offers automatic progress saving and multiple viewing modes for documents. File management features allow easy transfer from PC.

**Highlights:** Fast PDF opening, Automatic reading progress save, Book collection and table view modes, File transfer via Wi-Fi or cable, Lightweight and stable performance

**In-app purchases:** none


### Westocean

[App page](https://appshunter.io/ios/app/westocean/id1545562740)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Tool App free?

PDF Tool App is free to download, with no in-app purchases.

### Is Westocean free?

Westocean is free to download, with no in-app purchases.

### Do PDF Tool App or Westocean have ads?

Neither PDF Tool App nor Westocean shows ads.

### Which is updated more often, PDF Tool App or Westocean?

PDF Tool App ships an update every 2 months, and Westocean every 38 months. Most recently, PDF Tool App was updated on June 1, 2026 and Westocean on September 15, 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.*