# Screenimage Mobile vs ELS4 Mobile Preview

The clearest difference is update cadence: ELS4 Mobile Preview at monthly against Screenimage Mobile's every 2 months. ELS4 Mobile Preview also leads on iOS requirement (11 vs 15.1). 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.

Screenimage Mobile ships an update every 2 months, ELS4 Mobile Preview monthly. The most recent releases landed on September 26, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Screenimage Mobile | ELS4 Mobile Preview |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 40 MB | 81 MB |
| Requires iOS | 15.1 | **11** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Screenimage Systems AG](https://appshunter.io/developer/1551345478) | [SSE Software GmbH](https://appshunter.io/developer/382391822) |

## What reviewers say

### Screenimage Mobile

[App page](https://appshunter.io/ios/app/screenimage-mobile/id1551345476)

**In-app purchases:** none


### ELS4 Mobile Preview

[App page](https://appshunter.io/ios/app/els4-mobile-preview/id1635321886)

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

**In-app purchases:** none


## Frequently asked questions

### Is Screenimage Mobile free?

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

### Is ELS4 Mobile Preview free?

ELS4 Mobile Preview is free to download, with no in-app purchases.

### Do Screenimage Mobile or ELS4 Mobile Preview have ads?

Neither Screenimage Mobile nor ELS4 Mobile Preview shows ads.

### Which is updated more often, Screenimage Mobile or ELS4 Mobile Preview?

Screenimage Mobile ships an update every 2 months, and ELS4 Mobile Preview monthly. Most recently, Screenimage Mobile was updated on September 26, 2026 and ELS4 Mobile Preview on September 30, 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.*