# SERSA Zeit vs RIB Site

The clearest difference is update cadence: RIB Site at every 5 weeks against SERSA Zeit's every 20 months. SERSA Zeit's advantage is iOS requirement (11.0 vs 16.6). 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.

SERSA Zeit ships an update every 20 months, RIB Site every 5 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | SERSA Zeit | RIB Site |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 2 MB | 64 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [all4net GmbH](https://appshunter.io/developer/460914773) | [RIB Software GmbH](https://appshunter.io/developer/600768005) |

## What reviewers say

### SERSA Zeit

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

**In-app purchases:** none


### RIB Site

[App page](https://appshunter.io/ios/app/rib-site/id6449825014)

Streamline construction projects with a mobile platform for digital management. Facilitate seamless collaboration between office and site teams, and external partners. Easily store, retrieve, and share documents, plans, and tasks, ensuring everyone works with up-to-date information.

**Highlights:** Digital construction management, Mobile collaboration, Document and plan management, Task definition and sharing, Defect tracking, Project communication, Customizable user profiles

**In-app purchases:** none


## Frequently asked questions

### Is SERSA Zeit free?

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

### Is RIB Site free?

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

### Do SERSA Zeit or RIB Site have ads?

Neither SERSA Zeit nor RIB Site shows ads.

### Which is updated more often, SERSA Zeit or RIB Site?

SERSA Zeit ships an update every 20 months, and RIB Site every 5 weeks. Most recently, SERSA Zeit was updated on November 2, 2026 and RIB Site on November 3, 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.*