# PDFex vs Doc Translator

The clearest difference is iOS requirement: PDFex at 16.4 against Doc Translator's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. PDFex sells 3 in-app purchases, starting at $2.99 per 7 days and Doc Translator sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

PDFex ships an update every 4 days, Doc Translator every 5 days. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | PDFex | Doc Translator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 days |
| Size | 67 MB | 18 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Eray Can Topcu](https://appshunter.io/developer/1859535581) | [炜桢 吕](https://appshunter.io/developer/1597907877) |

## What reviewers say

### PDFex

[App page](https://appshunter.io/ios/app/pdfex-pdf-translator/id6759353376)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Monthly | $9.99 | per month |
| Yearly | $89.99 | per year |


### Doc Translator

[App page](https://appshunter.io/ios/app/doc-translator-pdf-epub-ocr/id6810911331)

**Features:** iPhone Duo support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Credits | $2.99 | one-time |
| 300 Credits | $7.99 | one-time |
| 1000 Credits | $24.99 | one-time |
| 3000 Credits | $69.99 | one-time |


## Frequently asked questions

### Is PDFex free?

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

### Is Doc Translator free?

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

### Do PDFex or Doc Translator have ads?

Neither PDFex nor Doc Translator shows ads.

### Which is updated more often, PDFex or Doc Translator?

PDFex ships an update every 4 days, and Doc Translator every 5 days. Most recently, PDFex was updated on October 28, 2026 and Doc Translator on October 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.*