# FusionSIP vs Acefone US

The clearest difference is iOS requirement: Acefone US at 13.0 against FusionSIP's 15.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | FusionSIP | Acefone US |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 11 MB | 66 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [EDNT GmbH](https://appshunter.io/developer/975507681) | [The Real PBX Ltd.](https://appshunter.io/developer/1501666102) |

## What reviewers say

### FusionSIP

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

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

**In-app purchases:** none


### Acefone US

[App page](https://appshunter.io/ios/app/acefone-us/id1667557984)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FusionSIP free?

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

### Is Acefone US free?

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

### Do FusionSIP or Acefone US have ads?

Neither FusionSIP nor Acefone US shows ads.

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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.*