# Fixed Line vs Flex Call Manager

The clearest difference is device support: Flex Call Manager at 4 against Fixed Line's 2. Fixed Line's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, 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.

Fixed Line ships an update every 2 months, Flex Call Manager monthly. The most recent releases landed on October 15, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Fixed Line | Flex Call Manager |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fixed-line/id1078901101/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 34 MB | 11 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| 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


### Flex Call Manager

[App page](https://appshunter.io/ios/app/flex-call-manager/id6448057290)

**In-app purchases:** none


## Frequently asked questions

### Is Fixed Line free?

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

### Is Flex Call Manager free?

Flex Call Manager is free to download, with no in-app purchases.

### Do Fixed Line or Flex Call Manager have ads?

Neither Fixed Line nor Flex Call Manager shows ads.

### Which is updated more often, Fixed Line or Flex Call Manager?

Fixed Line ships an update every 2 months, and Flex Call Manager monthly. Most recently, Fixed Line was updated on October 15, 2026 and Flex Call Manager on October 4, 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.*