Comparison

E vs XenCenterAPP

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

E

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
Read full description

With the useful functions of Gema‘s Electrostatic App you control and monitor your Gema OptiStar 4.0 equipment in real time: Application: All essential OptiStar 4.0 coating parameters are clearly visible on a Smart Device and can be directly adjusted and controlled. Designed for use with manual or automated Gema equipment. Line Management: View coating process productivity data on the device, and export the data in a PDF file. Important statistics and cost calculations from production are automatically generated. Maintenance countdown timers can easily be viewed at the touch of a button. Setup: With this function the configuration of the OptiStar 4.0 is defined. For automated equipment use, OptiStar 4.0 can be controlled as single device or in a group of control units. System information and diagnostic data are easily retrievable and can be sent via e-mail. The automated firmware update keeps your OptiStar 4.0 up to date.

About

XenCenterAPP

Features
Read full description

XenCenterAPP allows anyone, anywhere to connect and manage their XenServer servers in a simple and intelligent way! Manage all your VMs, start, reboot, shutdown, show details and manage snapshots. It's simple and fast. You can add and manage as many hosts as you want. The application does not transmit data to us or to an external web service. All data is stored on the device where the application runs.

Screenshots

E4 screens
XenCenterAPP4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
E versus XenCenterAPP: the parameters behind the verdict, then further details
ParameterEXenCenterAPP
PriceFree — better$19.99
Rating2.7 (7 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings7 — better—
Update frequencyEvery 9 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.312.0 — better
Further details — not scored
Size108 MB27 MB
Age rating4+17+
DeveloperGema Switzerland GmbHHYDRA SOLUTIONS SRL SEMPLIFICATA

In-app purchases

None

E

No in-app purchases

None

XenCenterAPP

No in-app purchases

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.

Other comparisons