# OnSIP vs PrimeFyre

The clearest difference is update cadence: PrimeFyre at every 9 days against OnSIP's every 2 months. PrimeFyre also leads on iOS requirement (15.0 vs 17.4). 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.

OnSIP ships an update every 2 months, PrimeFyre every 9 days. The most recent releases landed on November 11, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | OnSIP | PrimeFyre |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (71 ratings)](https://appshunter.io/ios/app/onsip/id1253050184/reviews)** | — |
| Number of ratings | **71** | — |
| Positive reviews | 7.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 26 MB | 51 MB |
| Requires iOS | 17.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OnSIP](https://appshunter.io/developer/1253050183) | [PrimeFyre](https://appshunter.io/developer/1545590980) |

## What reviewers say

### OnSIP

[App page](https://appshunter.io/ios/app/onsip/id1253050184)

This app extends your business phone system to your mobile device, enabling HD voice and video calls, contact monitoring, and voicemail management. Stay connected with clients and colleagues from anywhere, without needing extra hardware.

**Highlights:** HD voice and video calls, Voicemail management, Contact availability monitoring, Call history, Remote work connectivity

**Features:** Vision Pro support

**In-app purchases:** none


### PrimeFyre

[App page](https://appshunter.io/ios/app/primefyre/id1545590978)

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

**In-app purchases:** none


## Frequently asked questions

### Is OnSIP free?

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

### Is PrimeFyre free?

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

### Do OnSIP or PrimeFyre have ads?

Neither OnSIP nor PrimeFyre shows ads.

### Which is updated more often, OnSIP or PrimeFyre?

OnSIP ships an update every 2 months, and PrimeFyre every 9 days. Most recently, OnSIP was updated on November 11, 2026 and PrimeFyre on October 29, 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.*