# Fixed Line vs Crown Centrex

The clearest difference is review sentiment: Fixed Line at 40% against Crown Centrex's 0%. Fixed Line also leads on update cadence (every 2 months vs every 6 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Fixed Line ships an update every 2 months, Crown Centrex every 6 months. The most recent releases landed on June 24, 2026 and August 23, 2026 respectively.

## The numbers

| Metric | Fixed Line | Crown Centrex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fixed-line/id1078901101/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **40.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free | Free |
| Size | 34 MB | 32 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UNICOPE GmbH](https://appshunter.io/developer/725531823) | [Gamma Communications GmbH](https://appshunter.io/developer/1500711306) |

## What reviewers say

### Fixed Line

[App page](https://appshunter.io/ios/app/fixed-line/id1078901101)

Transform your smartphone into a mobile extension of your virtual PBX. Make and receive calls worldwide using your landline number, accessing all your PBX features on the go. This app requires an active Fixed Line System account to function.

**Highlights:** Mobile PBX extension, Worldwide landline calls, Account management, Full telephony features, Contact list integration, Call journal, Team view & presence, Chat and group chat

**Features:** Siri integration

**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 Fixed Line free?

Fixed Line 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 Fixed Line or Crown Centrex have ads?

Neither Fixed Line nor Crown Centrex shows ads.

### Which is updated more often, Fixed Line or Crown Centrex?

Fixed Line ships an update every 2 months, and Crown Centrex every 6 months. Most recently, Fixed Line was updated on June 24, 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.*