# FusionSIP vs VoIPXS CallManager

FusionSIP and VoIPXS CallManager are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

FusionSIP ships an update every 2 weeks, VoIPXS CallManager every 4 weeks. The most recent releases landed on September 15, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | FusionSIP | VoIPXS CallManager |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 weeks |
| Size | 11 MB | 7 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [EDNT GmbH](https://appshunter.io/developer/975507681) | [Speak Freely](https://appshunter.io/developer/1266311387) |

## What reviewers say

### FusionSIP

[App page](https://appshunter.io/ios/app/fusionsip/id1586959709)

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

**In-app purchases:** none


### VoIPXS CallManager

[App page](https://appshunter.io/ios/app/voipxs-callmanager/id6446484491)

**In-app purchases:** none


## Frequently asked questions

### Is FusionSIP free?

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

### Is VoIPXS CallManager free?

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

### Do FusionSIP or VoIPXS CallManager have ads?

Neither FusionSIP nor VoIPXS CallManager shows ads.

### Which is updated more often, FusionSIP or VoIPXS CallManager?

FusionSIP ships an update every 2 weeks, and VoIPXS CallManager every 4 weeks. Most recently, FusionSIP was updated on September 15, 2026 and VoIPXS CallManager on September 9, 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.*