# 像素轻 vs PDFPress

The clearest difference is in-app purchases: 像素轻 at none against PDFPress's 2. 像素轻 also leads on update cadence (every 5 days vs every 6 weeks) and iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. PDFPress sells 2 one-off in-app purchases. 像素轻 asks for nothing beyond the download.

像素轻 ships an update every 5 days, PDFPress every 6 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | 像素轻 | PDFPress |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 6 weeks |
| Size | 69 MB | 8 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [黎黎 席](https://appshunter.io/developer/1555182337) | [CodeNeuron Studios](https://appshunter.io/developer/1826333213) |

## What reviewers say

### 像素轻

[App page](https://appshunter.io/ios/app/id6757485192)

**In-app purchases:** none


### PDFPress

[App page](https://appshunter.io/ios/app/pdfpress-pdf-compressor/id6772688635)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDFPress Pro | $2.99 | one-time |
| PDFPress Pro Plus | $9.99 | one-time |


## Frequently asked questions

### Is 像素轻 free?

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

### Is PDFPress free?

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

### Do 像素轻 or PDFPress have ads?

Neither 像素轻 nor PDFPress shows ads.

### Which is updated more often, 像素轻 or PDFPress?

像素轻 ships an update every 5 days, and PDFPress every 6 weeks. Most recently, 像素轻 was updated on October 24, 2026 and PDFPress on October 24, 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.*