# NUSO vs Fireproof Performance

The clearest difference is update cadence: Fireproof Performance at every 3 weeks against NUSO's every 2 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.

NUSO ships an update every 2 months, Fireproof Performance every 3 weeks. The most recent releases landed on September 8, 2026 and August 15, 2026 respectively.

## The numbers

| Metric | NUSO | Fireproof Performance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (13 ratings)](https://appshunter.io/ios/app/nuso/id1609666809/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 123 MB | 49 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Brightlink Communications LLC](https://appshunter.io/developer/1447894835) | [FP 2, LLC](https://appshunter.io/developer/1885620567) |

## What reviewers say

### NUSO

[App page](https://appshunter.io/ios/app/nuso/id1609666809)

This business communication app offers a cloud-based phone system with contact center features. It allows users to make and receive office calls on their mobile devices, use their business number for outgoing calls, and manage answering rules remotely. Access your office contact list with real-time presence and enjoy features like visual voicemail and call history.

**Highlights:** Mobile office calls, Business number caller ID, Remote answering rules, In-office contact list, Visual voicemail, Call history, Custom greetings

**Features:** macOS Compatibility, Siri integration

**In-app purchases:** none


### Fireproof Performance

[App page](https://appshunter.io/ios/app/fireproof-performance/id6760668611)

**In-app purchases:** none


## Frequently asked questions

### Is NUSO free?

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

### Is Fireproof Performance free?

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

### Do NUSO or Fireproof Performance have ads?

Neither NUSO nor Fireproof Performance shows ads.

### Which is updated more often, NUSO or Fireproof Performance?

NUSO ships an update every 2 months, and Fireproof Performance every 3 weeks. Most recently, NUSO was updated on September 8, 2026 and Fireproof Performance on August 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.*