# E vs Solutions Pro

The clearest difference is iOS requirement: Solutions Pro at 12.4 against E's 14.3. On price, update cadence, ads and in-app purchases there is nothing between them.

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

E ships an update every 9 months, Solutions Pro every 12 months. The most recent releases landed on June 4, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | E | Solutions Pro |
| --- | --- | --- |
| Price | Free | Free |
| 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 12 months |
| Monetization | Free | — |
| Size | 108 MB | 11 MB |
| Requires iOS | 14.3 | **12.4** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gema Switzerland GmbH](https://appshunter.io/developer/1333995000) | [Anest Iwata France](https://appshunter.io/developer/1538122852) |

## 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


### Solutions Pro

[App page](https://appshunter.io/ios/app/solutions-pro/id1538122850)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is E free?

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

### Is Solutions Pro free?

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

### Do E or Solutions Pro have ads?

Neither E nor Solutions Pro shows ads.

### Which is updated more often, E or Solutions Pro?

E ships an update every 9 months, and Solutions Pro every 12 months. Most recently, E was updated on June 4, 2026 and Solutions Pro on September 20, 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.*