# nooa Platform vs Crown Centrex

The clearest difference is update cadence: nooa Platform at every 2 weeks against Crown Centrex's every 6 months. Crown Centrex's advantage is iOS requirement (13.0 vs 15). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

nooa Platform ships an update every 2 weeks, Crown Centrex every 6 months. The most recent releases landed on September 17, 2026 and August 23, 2026 respectively.

## The numbers

| Metric | nooa Platform | Crown Centrex |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 months |
| Monetization | Free | Free |
| Size | 115 MB | 32 MB |
| Requires iOS | 15 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [nooa](https://appshunter.io/developer/1532008449) | [Gamma Communications GmbH](https://appshunter.io/developer/1500711306) |

## What reviewers say

### nooa Platform

[App page](https://appshunter.io/ios/app/nooa-platform/id1553792778)

Facilitate team communication and coordinate daily care routines. Connect with clients, family caregivers, and healthcare professionals to manage services and collaborate effectively.

**Highlights:** Team information sharing, Daily care routine coordination, Client and caregiver connection, Collaboration with healthcare professionals, Service provider management

**Features:** Vision Pro support

**In-app purchases:** none


### Crown Centrex

[App page](https://appshunter.io/ios/app/crown-centrex/id1611135719)

Transform your smartphone into a mobile extension of your virtual PBX. Make and receive calls worldwide using your landline number for cost-efficient and mobile communication. Access all the features of your Gamma Cloud PBX system directly from your device.

**Highlights:** Smartphone as mobile PBX extension, Worldwide calls with landline number, Cost-efficient mobile calling, Access to PBX features, Gamma Cloud PBX integration

**Features:** Siri integration, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is nooa Platform free?

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

### Is Crown Centrex free?

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

### Do nooa Platform or Crown Centrex have ads?

Neither nooa Platform nor Crown Centrex shows ads.

### Which is updated more often, nooa Platform or Crown Centrex?

nooa Platform ships an update every 2 weeks, and Crown Centrex every 6 months. Most recently, nooa Platform was updated on September 17, 2026 and Crown Centrex on August 23, 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.*