# Interfone Softphone vs AtillaKDS

The clearest difference is update cadence: Interfone Softphone at every 3 months against AtillaKDS's every 8 months. AtillaKDS's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.0). On price, 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.

Interfone Softphone ships an update every 3 months, AtillaKDS every 8 months. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Interfone Softphone | AtillaKDS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/interfone-softphone/id6444491555/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 8 months |
| Monetization | Free | — |
| Size | 107 MB | 123 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Interfone Belgium](https://appshunter.io/developer/1525189044) | [AtillaSoft](https://appshunter.io/developer/1796834375) |

## What reviewers say

### Interfone Softphone

[App page](https://appshunter.io/ios/app/interfone-softphone/id6444491555)

This app extends your business phone system to your mobile device, allowing you to make and receive professional calls, access your company directory, and manage calls as if you were at your desk. It keeps you reachable on your business line without mixing personal and work numbers.

**Highlights:** Audio and video calls, HD call quality, Company directory and contacts, Colleague presence status, Call transfer and hold, Multi-party conference calls, Call recording

**Features:** macOS Compatibility

**In-app purchases:** none


### AtillaKDS

[App page](https://appshunter.io/ios/app/atillakds/id6743172066)

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

**In-app purchases:** none


## Frequently asked questions

### Is Interfone Softphone free?

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

### Is AtillaKDS free?

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

### Do Interfone Softphone or AtillaKDS have ads?

Neither Interfone Softphone nor AtillaKDS shows ads.

### Which is updated more often, Interfone Softphone or AtillaKDS?

Interfone Softphone ships an update every 3 months, and AtillaKDS every 8 months. Most recently, Interfone Softphone was updated on October 7, 2026 and AtillaKDS on October 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.*