# PDF Reader vs Rabbit RSSリーダー

The clearest difference is update cadence: Rabbit RSSリーダー at every 23 months against PDF Reader's every 114 months. 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 Reader ships an update every 114 months, Rabbit RSSリーダー every 23 months. The most recent releases landed on September 14, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | PDF Reader | Rabbit RSSリーダー |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 114 months | **Every 23 months** |
| Monetization | Ad-supported | — |
| Size | 8 MB | 43 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Aishvarya Sadasivam](https://appshunter.io/developer/1062048241) | [RANRAN Solutions](https://appshunter.io/developer/1760305402) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-for-books/id1084659168)

Easily open and view all your important files, including PDFs, documents, spreadsheets, presentations, and images, in one straightforward app. Designed for simplicity and speed, it's your reliable companion for accessing digital materials and eBooks quickly with a clean interface.

**Highlights:** Open PDFs and eBooks, View Office files (.doc, .xls, .ppt), Access image files (.png, .jpg), Open .html web pages, Clean and clear interface, Fast and reliable file viewing

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

**In-app purchases:** none


### Rabbit RSSリーダー

[App page](https://appshunter.io/ios/app/rabbit-rss/id6736563258)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader free?

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

### Is Rabbit RSSリーダー free?

Rabbit RSSリーダー is free to download, with no in-app purchases.

### Do PDF Reader or Rabbit RSSリーダー have ads?

Both PDF Reader and Rabbit RSSリーダー show ads.

### Which is updated more often, PDF Reader or Rabbit RSSリーダー?

PDF Reader ships an update every 114 months, and Rabbit RSSリーダー every 23 months. Most recently, PDF Reader was updated on September 14, 2026 and Rabbit RSSリーダー on September 4, 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.*