# NUSO vs Sentinel Online

The clearest difference is iOS requirement: Sentinel Online at 15.1 against NUSO's 17.0. 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 | NUSO | Sentinel Online |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (14 ratings)](https://appshunter.io/ios/app/nuso/id1609666809/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 123 MB | 39 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Brightlink Communications LLC](https://appshunter.io/developer/1447894835) | [Sentinel Risk Advisors, LLC](https://appshunter.io/developer/1857665799) |

## 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


### Sentinel Online

[App page](https://appshunter.io/ios/app/sentinel-online/id6755964805)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is NUSO free?

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

### Is Sentinel Online free?

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

### Do NUSO or Sentinel Online have ads?

Neither NUSO nor Sentinel Online 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.*