# FASTEC 4 PRO Mobile Client vs GEM PSS Admin

The clearest difference is update cadence: GEM PSS Admin at every 4 weeks against FASTEC 4 PRO Mobile Client's every 5 months. 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.

FASTEC 4 PRO Mobile Client ships an update every 5 months, GEM PSS Admin every 4 weeks. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | FASTEC 4 PRO Mobile Client | GEM PSS Admin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 weeks** |
| Size | 76 MB | 52 MB |
| Requires iOS | **14.2** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [FASTEC GmbH](https://appshunter.io/developer/787083903) | [GENASYS](https://appshunter.io/developer/521628704) |

## What reviewers say

### FASTEC 4 PRO Mobile Client

[App page](https://appshunter.io/ios/app/fastec-4-pro-mobile-client/id972617776)

**In-app purchases:** none


### GEM PSS Admin

[App page](https://appshunter.io/ios/app/gem-pss-admin/id1458387801)

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

**In-app purchases:** none


## Frequently asked questions

### Is FASTEC 4 PRO Mobile Client free?

FASTEC 4 PRO Mobile Client is free to download, with no in-app purchases.

### Is GEM PSS Admin free?

GEM PSS Admin is free to download, with no in-app purchases.

### Do FASTEC 4 PRO Mobile Client or GEM PSS Admin have ads?

Neither FASTEC 4 PRO Mobile Client nor GEM PSS Admin shows ads.

### Which is updated more often, FASTEC 4 PRO Mobile Client or GEM PSS Admin?

FASTEC 4 PRO Mobile Client ships an update every 5 months, and GEM PSS Admin every 4 weeks. Most recently, FASTEC 4 PRO Mobile Client was updated on October 29, 2026 and GEM PSS Admin on October 26, 2026.

---

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