# ChargeRex vs Pro PDF Reader & Editor

The clearest difference is in-app purchases: ChargeRex at none against Pro PDF Reader & Editor's 3. ChargeRex also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Pro PDF Reader & Editor sells 3 in-app purchases, starting at $6.99 per 7 days. ChargeRex asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 20, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | ChargeRex | Pro PDF Reader & Editor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Size | 29 MB | 47 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MOTREXEV](https://appshunter.io/developer/539878412) | [Chengdu Youbutong New Energy Technology](https://appshunter.io/developer/1839270916) |

## What reviewers say

### ChargeRex

[App page](https://appshunter.io/ios/app/chargerex/id6744017644)

**Features:** Vision Pro support

**In-app purchases:** none


### Pro PDF Reader & Editor

[App page](https://appshunter.io/ios/app/pro-pdf-reader-and-editor/id6752470060)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Membership - Weekly | $6.99 | per 7 days |
| Pro Membership – Monthly | $14.99 | per month |
| Pro Membership – Yearly | $29.99 | per year |


## Frequently asked questions

### Is ChargeRex free?

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

### Is Pro PDF Reader & Editor free?

Pro PDF Reader & Editor is free to download, with in-app purchases available.

### Do ChargeRex or Pro PDF Reader & Editor have ads?

Pro PDF Reader & Editor shows ads; ChargeRex does not.

### Which is updated more often, ChargeRex or Pro PDF Reader & Editor?

ChargeRex ships an update every 2 months, and Pro PDF Reader & Editor every 2 months. Most recently, ChargeRex was updated on October 20, 2026 and Pro PDF Reader & Editor on October 13, 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.*