# PDF Reader vs 软航PDF阅读器

The clearest difference is ads: 软航PDF阅读器 at none against PDF Reader's shown. 软航PDF阅读器 also leads on update cadence (every 2 days vs every 114 months) and iOS requirement (12.0 vs 14.0). On price, 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, 软航PDF阅读器 every 2 days. The most recent releases landed on May 17, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | PDF Reader | 软航PDF阅读器 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 114 months | **Every 2 days** |
| Size | 10 MB | 10 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ramalingam Sivaramakrishnan](https://appshunter.io/developer/892706271) | [Chongqing Ruanhang Technology Co., Ltd.](https://appshunter.io/developer/1538523893) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader/id1084685959)

**Features:** macOS Compatibility

**In-app purchases:** none


### 软航PDF阅读器

[App page](https://appshunter.io/ios/app/pdf/id1540740963)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader free?

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

### Is 软航PDF阅读器 free?

软航PDF阅读器 is free to download, with no in-app purchases.

### Do PDF Reader or 软航PDF阅读器 have ads?

PDF Reader shows ads; 软航PDF阅读器 does not.

### Which is updated more often, PDF Reader or 软航PDF阅读器?

PDF Reader ships an update every 114 months, and 软航PDF阅读器 every 2 days. Most recently, PDF Reader was updated on May 17, 2026 and 软航PDF阅读器 on September 19, 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.*