# Fixed Line vs Smart

The clearest difference is update cadence: Smart at every 3 weeks against Fixed Line's every 2 months. Fixed Line's advantage is iOS requirement (13.0 vs 18.0). On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Fixed Line against 5.0 for Smart. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 29% of Fixed Line's written reviews are positive against 33% of Smart's.

Fixed Line ships an update every 2 months, Smart every 3 weeks. The most recent releases landed on November 2, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | Fixed Line | Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/fixed-line/id1078901101/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/smart-sip-phone/id6480208700/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 28.6% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 34 MB | 34 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [UNICOPE GmbH](https://appshunter.io/developer/725531823) | [EDNT GmbH](https://appshunter.io/developer/975507681) |

## 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


### Smart

[App page](https://appshunter.io/ios/app/smart-sip-phone/id6480208700)

This SIP client connects to various telephone systems, offering call management features like hold, mute, and loudspeaker. It includes a phone book, call history, and customizable codecs for efficient communication on the go.

**Highlights:** Simple setup, IPv4 and IPv6 support, Call hold, mute, and loudspeaker, Phone book and call history, Customizable codecs, Bluetooth support, Light & dark mode

**Features:** 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 Smart free?

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

### Which has better reviews, Fixed Line or Smart?

Fixed Line and Smart are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Fixed Line or Smart have ads?

Neither Fixed Line nor Smart shows ads.

### Which is updated more often, Fixed Line or Smart?

Fixed Line ships an update every 2 months, and Smart every 3 weeks. Most recently, Fixed Line was updated on November 2, 2026 and Smart on November 11, 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.*