# PROset App vs SERSA Zeit

The clearest difference is update cadence: PROset App at every 7 months against SERSA Zeit's every 20 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.

PROset App ships an update every 7 months, SERSA Zeit every 20 months. The most recent releases landed on September 15, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | PROset App | SERSA Zeit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 20 months |
| Size | 21 MB | 2 MB |
| Requires iOS | 12.4 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zumtobel Lighting Gmbh](https://appshunter.io/developer/397335156) | [all4net GmbH](https://appshunter.io/developer/460914773) |

## What reviewers say

### PROset App

[App page](https://appshunter.io/ios/app/proset-app/id1364931712)

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

**In-app purchases:** none


### SERSA Zeit

[App page](https://appshunter.io/ios/app/sersa-zeit/id1367885908)

**In-app purchases:** none


## Frequently asked questions

### Is PROset App free?

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

### Is SERSA Zeit free?

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

### Do PROset App or SERSA Zeit have ads?

Neither PROset App nor SERSA Zeit shows ads.

### Which is updated more often, PROset App or SERSA Zeit?

PROset App ships an update every 7 months, and SERSA Zeit every 20 months. Most recently, PROset App was updated on September 15, 2026 and SERSA Zeit on September 10, 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.*