# HaarCenter vs GDA App

HaarCenter and GDA App 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.

HaarCenter ships an update every 6 months, GDA App every 7 months. The most recent releases landed on September 20, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | HaarCenter | GDA App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 7 months |
| Size | 50 MB | 28 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Haarcenter GmbH](https://appshunter.io/developer/1437249997) | [Gemeinde Dienstleistungsverband Region Amstetten Umweltschutz und Abgaben](https://appshunter.io/developer/1453853506) |

## What reviewers say

### HaarCenter

[App page](https://appshunter.io/ios/app/haarcenter/id1437249998)

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

**In-app purchases:** none


### GDA App

[App page](https://appshunter.io/ios/app/gda-app/id1453853507)

**In-app purchases:** none


## Frequently asked questions

### Is HaarCenter free?

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

### Is GDA App free?

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

### Do HaarCenter or GDA App have ads?

Neither HaarCenter nor GDA App shows ads.

### Which is updated more often, HaarCenter or GDA App?

HaarCenter ships an update every 6 months, and GDA App every 7 months. Most recently, HaarCenter was updated on September 20, 2026 and GDA App on September 15, 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.*