# G1 Building — Building App

> Building App (iPhone/iPad app by Union Investment Real Estate GmbH.)

- Source: https://appshunter.io/ios/app/g1-building/id6745893757 (this page in markdown: same URL + `.md`)
- Developer: [Union Investment Real Estate GmbH](https://appshunter.io/developer/1814367913)
- Category: Business, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 325 MB
- Languages: American English
- Released: 2025-05-20
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/g1-building/id6745893757/reviews.md

## What is G1 Building?

The G1 building app coordinates numerous building functions with an interactive interface to gain access to the building, book amenity, find out information on local retailers with offers and provide a source of information on building functionality.


## Version history (last 5 releases)

### 5.274.0 — 2026-03-04

Performance enhancements and minor bug fixes.

### 5.234.0 — 2026-02-23

Performance enhancements and minor bug fixes.

### 5.233.0 — 2026-02-09

Performance enhancements and minor bug fixes.

### 5.232.0 — 2026-01-24

Performance enhancements and minor bug fixes.

### 5.231.0 — 2025-12-18

Performance enhancements and minor bug fixes.

## More apps by Union Investment Real Estate GmbH

- [Finsbury Circus House](https://appshunter.io/ios/app/finsbury-circus-house/id6746715567)
- [One Snowhill](https://appshunter.io/ios/app/one-snowhill/id6753977601)

All apps by Union Investment Real Estate GmbH: https://appshunter.io/developer/1814367913

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-19.*