# Right PDF Reader vs 拦截1001

The clearest difference is price: Right PDF Reader at Free against 拦截1001's $0.99. 拦截1001's advantage is update cadence (weekly vs every 11 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Right PDF Reader is free to download; 拦截1001 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Right PDF Reader ships an update every 11 months, 拦截1001 weekly. The most recent releases landed on July 7, 2026 and August 29, 2026 respectively.

## The numbers

| Metric | Right PDF Reader | 拦截1001 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/right-pdf-reader/id690338821/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 92.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Weekly** |
| Monetization | Free | — |
| Size | 79 MB | 6 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZEON Corp](https://appshunter.io/developer/528554283) | [钤 朱](https://appshunter.io/developer/1577772267) |

## What reviewers say

### Right PDF Reader

[App page](https://appshunter.io/ios/app/right-pdf-reader/id690338821)

This application provides robust PDF viewing, annotation, and management tools. It allows users to organize, share, and sign documents with a user-friendly interface and advanced features.

**Highlights:** Fast PDF viewing, Annotation tools (highlight, draw, text), Document organization with folders, Cloud storage integration (Dropbox, WebDAV), Handwritten signature creation, Form filling, Password protection

**Features:** macOS Compatibility

**In-app purchases:** none


### 拦截1001

[App page](https://appshunter.io/ios/app/1001-app/id1587497077)

**Features:** macOS Compatibility, Safari Extension

**In-app purchases:** none


## Frequently asked questions

### Is Right PDF Reader free?

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

### Is 拦截1001 free?

拦截1001 costs $0.99, with no in-app purchases.

### Do Right PDF Reader or 拦截1001 have ads?

Neither Right PDF Reader nor 拦截1001 shows ads.

### Which is updated more often, Right PDF Reader or 拦截1001?

Right PDF Reader ships an update every 11 months, and 拦截1001 weekly. Most recently, Right PDF Reader was updated on July 7, 2026 and 拦截1001 on August 29, 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.*