# 白译 vs PDFTranslator

The clearest difference is in-app purchases: 白译 at none against PDFTranslator's 3. PDFTranslator's advantage is update cadence (weekly vs every 3 months) and iOS requirement (16.6 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. PDFTranslator sells 3 in-app purchases, starting at $0.99 per 7 days. 白译 asks for nothing beyond the download.

白译 ships an update every 3 months, PDFTranslator weekly. The most recent releases landed on October 1, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 白译 | PDFTranslator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 1 MB | 19 MB |
| Requires iOS | 18.0 | **16.6** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [威 陈](https://appshunter.io/developer/1794907143) | [琳 李](https://appshunter.io/developer/1824200640) |

## What reviewers say

### 白译

[App page](https://appshunter.io/ios/app/id6741687757)

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

**In-app purchases:** none


### PDFTranslator

[App page](https://appshunter.io/ios/app/pdftranslator-keep-layout/id6758367464)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $0.99 | per 7 days |
| Pro Monthly | $2.99 | per month |
| Pro Yearly | $9.99 | per year |


## Frequently asked questions

### Is 白译 free?

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

### Is PDFTranslator free?

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

### Do 白译 or PDFTranslator have ads?

Neither 白译 nor PDFTranslator shows ads.

### Which is updated more often, 白译 or PDFTranslator?

白译 ships an update every 3 months, and PDFTranslator weekly. Most recently, 白译 was updated on October 1, 2026 and PDFTranslator on October 17, 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.*