# DCJ PKIClient vs CSS Microtec

The clearest difference is update cadence: CSS Microtec at every 3 months against DCJ PKIClient's every 8 months. DCJ PKIClient's advantage is iOS requirement (8.0 vs 11.0). 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.

DCJ PKIClient ships an update every 8 months, CSS Microtec every 3 months. Both last shipped on September 16, 2026.

## The numbers

| Metric | DCJ PKIClient | CSS Microtec |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Size | 1 MB | 42 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DIGICERT, INC](https://appshunter.io/developer/1571181590) | [Vanhuy Do](https://appshunter.io/developer/1123517604) |

## What reviewers say

### DCJ PKIClient

[App page](https://appshunter.io/ios/app/dcj-pkiclient/id438668674)

**Features:** macOS Compatibility

**In-app purchases:** none


### CSS Microtec

[App page](https://appshunter.io/ios/app/css-microtec/id1467123311)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DCJ PKIClient free?

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

### Is CSS Microtec free?

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

### Do DCJ PKIClient or CSS Microtec have ads?

Neither DCJ PKIClient nor CSS Microtec shows ads.

### Which is updated more often, DCJ PKIClient or CSS Microtec?

DCJ PKIClient ships an update every 8 months, and CSS Microtec every 3 months. Most recently, DCJ PKIClient was updated on September 16, 2026 and CSS Microtec on September 16, 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.*