# DS ECO vs PDF Converter Pro Master

The clearest difference is update cadence: DS ECO at monthly against PDF Converter Pro Master's every 2 months. DS ECO also leads on iOS requirement (9.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DS ECO ships an update monthly, PDF Converter Pro Master every 2 months. Both last shipped on November 8, 2026.

## The numbers

| Metric | DS ECO | PDF Converter Pro Master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 12 MB | 11 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rawaieh Al Zuhor Cleaning& Detergent TR](https://appshunter.io/developer/1453355635) | [HK YIHAN TECHNOLOGY CO., LIMITED](https://appshunter.io/developer/1761346342) |

## What reviewers say

### DS ECO

[App page](https://appshunter.io/ios/app/ds-eco/id6474853765)

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Converter Pro Master

[App page](https://appshunter.io/ios/app/pdf-converter-pro-master/id6612030395)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DS ECO free?

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

### Is PDF Converter Pro Master free?

PDF Converter Pro Master is free to download, with no in-app purchases.

### Do DS ECO or PDF Converter Pro Master have ads?

Neither DS ECO nor PDF Converter Pro Master shows ads.

### Which is updated more often, DS ECO or PDF Converter Pro Master?

DS ECO ships an update monthly, and PDF Converter Pro Master every 2 months. Most recently, DS ECO was updated on November 8, 2026 and PDF Converter Pro Master on November 8, 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.*