# FusionSIP vs Agile UC3

The clearest difference is update cadence: FusionSIP at every 2 weeks against Agile UC3's every 9 months. 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.

FusionSIP ships an update every 2 weeks, Agile UC3 every 9 months. The most recent releases landed on September 15, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | FusionSIP | Agile UC3 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 9 months |
| Size | 11 MB | 110 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EDNT GmbH](https://appshunter.io/developer/975507681) | [4Net Technologies Ltd](https://appshunter.io/developer/1719276230) |

## What reviewers say

### FusionSIP

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

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

**In-app purchases:** none


### Agile UC3

[App page](https://appshunter.io/ios/app/agile-uc3/id6473621983)

**Features:** macOS Compatibility, Siri integration

**In-app purchases:** none


## Frequently asked questions

### Is FusionSIP free?

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

### Is Agile UC3 free?

Agile UC3 is free to download, with no in-app purchases.

### Do FusionSIP or Agile UC3 have ads?

Neither FusionSIP nor Agile UC3 shows ads.

### Which is updated more often, FusionSIP or Agile UC3?

FusionSIP ships an update every 2 weeks, and Agile UC3 every 9 months. Most recently, FusionSIP was updated on September 15, 2026 and Agile UC3 on October 1, 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.*