# G1 Building vs Central SQ

G1 Building and Central SQ are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | G1 Building | Central SQ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Size | 319 MB | 320 MB |
| Requires iOS | 15.5 | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Union Investment Real Estate GmbH](https://appshunter.io/developer/1814367913) | [COLLIERS INTERNATIONAL (NSW) PTY LIMITED](https://appshunter.io/developer/1837591746) |

## What reviewers say

### G1 Building

[App page](https://appshunter.io/ios/app/g1-building/id6745893757)

**Features:** Apple Wallet

**In-app purchases:** none


### Central SQ

[App page](https://appshunter.io/ios/app/central-sq/id6751933641)

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is G1 Building free?

G1 Building is free to download, with no in-app purchases.

### Is Central SQ free?

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

### Do G1 Building or Central SQ have ads?

Neither G1 Building nor Central SQ shows ads.

### Which is updated more often, G1 Building or Central SQ?

G1 Building ships an update fortnightly, and Central SQ fortnightly. Most recently, G1 Building was updated on October 24, 2026 and Central SQ on October 7, 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.*