# E vs XenCenterAPP

The clearest difference is price: E at Free against XenCenterAPP's $19.99. XenCenterAPP's advantage is update cadence (every 2 months vs every 9 months) and iOS requirement (12.0 vs 14.3). On ads, in-app purchases and device support there is nothing between them.

E is free to download; XenCenterAPP costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

E ships an update every 9 months, XenCenterAPP every 2 months. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | E | XenCenterAPP |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| Rating | **[2.7 (7 ratings)](https://appshunter.io/ios/app/e-app/id1333995001/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 108 MB | 27 MB |
| Requires iOS | 14.3 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Gema Switzerland GmbH](https://appshunter.io/developer/1333995000) | [HYDRA SOLUTIONS SRL SEMPLIFICATA](https://appshunter.io/developer/1151055410) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-app/id1333995001)

Control and monitor Gema OptiStar 4.0 electrostatic coating equipment in real time. View and adjust coating parameters, track productivity data, and manage equipment configuration. Includes automated firmware updates and diagnostic reporting.

**Highlights:** Real-time equipment control, Coating parameter adjustment, Productivity data monitoring, Data export to PDF, Maintenance countdown timers, Automated firmware updates, Diagnostic data retrieval

**Features:** macOS Compatibility

**In-app purchases:** none


### XenCenterAPP

[App page](https://appshunter.io/ios/app/xencenterapp/id6443761911)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is E free?

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

### Is XenCenterAPP free?

XenCenterAPP costs $19.99, with no in-app purchases.

### Do E or XenCenterAPP have ads?

Neither E nor XenCenterAPP shows ads.

### Which is updated more often, E or XenCenterAPP?

E ships an update every 9 months, and XenCenterAPP every 2 months. Most recently, E was updated on October 5, 2026 and XenCenterAPP on October 12, 2026.

---

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