# PowerMax vs Doc Translator

The clearest difference is in-app purchases: PowerMax at none against Doc Translator's 4. PowerMax also leads on iOS requirement (11.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Doc Translator sells 4 one-off in-app purchases. PowerMax asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on September 18, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | PowerMax | Doc Translator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | Every 2 days |
| Size | 58 MB | 18 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Loncin Motor Co., Ltd.](https://appshunter.io/developer/828796872) | [炜桢 吕](https://appshunter.io/developer/1597907877) |

## What reviewers say

### PowerMax

[App page](https://appshunter.io/ios/app/powermax/id6466780771)

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

**In-app purchases:** none


### Doc Translator

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

**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 PowerMax free?

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

### Is Doc Translator free?

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

### Do PowerMax or Doc Translator have ads?

Neither PowerMax nor Doc Translator shows ads.

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

PowerMax ships an update every 2 days, and Doc Translator every 2 days. Most recently, PowerMax was updated on September 18, 2026 and Doc Translator on September 23, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*