# NUSO vs ControlOne Mobile

The clearest difference is rating: ControlOne Mobile at 4.4 against NUSO's 2.7. ControlOne Mobile also leads on review sentiment (60% vs 22%) and iOS requirement (15.0 vs 17.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

ControlOne Mobile holds the better App Store score, 4.4 against 2.7. Both are backed by a comparable volume of ratings — 13 and 14 respectively. Written reviews point the same way: 22% of NUSO's written reviews are positive against 60% of ControlOne Mobile's.

NUSO ships an update every 2 months, ControlOne Mobile every 5 weeks. The most recent releases landed on September 27, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | NUSO | ControlOne Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (13 ratings)](https://appshunter.io/ios/app/nuso/id1609666809/reviews) | **[4.4 (14 ratings)](https://appshunter.io/ios/app/controlone-mobile/id1666090887/reviews)** |
| Number of ratings | 13 | **14** |
| Positive reviews | 22.2% of reviews | **60.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 123 MB | 25 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Brightlink Communications LLC](https://appshunter.io/developer/1447894835) | [Cytracom](https://appshunter.io/developer/556729488) |

## 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


### ControlOne Mobile

[App page](https://appshunter.io/ios/app/controlone-mobile/id1666090887)

This app provides secure, zero-trust network access for mobile devices, eliminating the need for traditional VPNs. It ensures enterprise-grade firewall protection and content filtering, maintaining consistent security across all networks and locations.

**Highlights:** Zero-Trust Network Access, Enterprise-grade firewall protection, Content filtering, Identity-based networking, Device posture policies, Intrusion prevention

**In-app purchases:** none


## Frequently asked questions

### Is NUSO free?

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

### Is ControlOne Mobile free?

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

### Which has better reviews, NUSO or ControlOne Mobile?

ControlOne Mobile is rated higher. NUSO averages 2.7 out of 5 from 13 ratings, while ControlOne Mobile averages 4.4 from 14 ratings.

### Do NUSO or ControlOne Mobile have ads?

Neither NUSO nor ControlOne Mobile shows ads.

### Which is updated more often, NUSO or ControlOne Mobile?

NUSO ships an update every 2 months, and ControlOne Mobile every 5 weeks. Most recently, NUSO was updated on September 27, 2026 and ControlOne Mobile on September 30, 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.*