# OmniPDF vs XiaoJia Redaction Assistant

The clearest difference is update cadence: XiaoJia Redaction Assistant at weekly against OmniPDF's every 6 weeks. XiaoJia Redaction Assistant also leads on iOS requirement (16.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. OmniPDF sells 3 in-app purchases, starting at $3.99 per month and XiaoJia Redaction Assistant sells 8 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

OmniPDF ships an update every 6 weeks, XiaoJia Redaction Assistant weekly. The most recent releases landed on October 22, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | OmniPDF | XiaoJia Redaction Assistant |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Size | 17 MB | 17 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [zhentao zhang](https://appshunter.io/developer/1858942516) | [Beijing Boshujia Technology Co., Ltd](https://appshunter.io/developer/1666207574) |

## What reviewers say

### OmniPDF

[App page](https://appshunter.io/ios/app/omnipdf-batch-pdf-tools/id6779046820)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OmniPDF Pro Monthly | $3.99 | per month |
| OmniPDF Pro Yearly | $29.99 | per year |
| OmniPDF Pro Lifetime | $59.99 | one-time |


### XiaoJia Redaction Assistant

[App page](https://appshunter.io/ios/app/xiaojia-redaction-assistant/id6792610735)

**Features:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| XJ Redaction Pro Weekly | $6.99 | per 7 days |
| XJ Redaction Pro Monthly | $19.99 | per month |
| XJ Redaction 10-Page Pack | $0.99 | one-time |
| XJ Redaction 50-Page Pack | $5.99 | one-time |
| XiaoJia Redaction 100-Page Pack | $11.99 | one-time |
| XJ Redaction 200-Page Pack | $19.99 | one-time |
| XJ Redaction 300-Page Pack | $24.99 | one-time |
| XJ Redaction 500-Page Pack | $39.99 | one-time |


## Frequently asked questions

### Is OmniPDF free?

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

### Is XiaoJia Redaction Assistant free?

XiaoJia Redaction Assistant is free to download, with in-app purchases available.

### Do OmniPDF or XiaoJia Redaction Assistant have ads?

Neither OmniPDF nor XiaoJia Redaction Assistant shows ads.

### Which is updated more often, OmniPDF or XiaoJia Redaction Assistant?

OmniPDF ships an update every 6 weeks, and XiaoJia Redaction Assistant weekly. Most recently, OmniPDF was updated on October 22, 2026 and XiaoJia Redaction Assistant on October 11, 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.*