# 3M Scott Universal Mobile App vs River Sentry

The clearest difference is iOS requirement: 3M Scott Universal Mobile App at 13.0 against River Sentry's 16.0. 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 | 3M Scott Universal Mobile App | River Sentry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/river-sentry/id6767076895/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | — |
| Size | 29 MB | 121 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [3M Company](https://appshunter.io/developer/396772465) | [River Sentry](https://appshunter.io/developer/1868563854) |

## What reviewers say

### 3M Scott Universal Mobile App

[App page](https://appshunter.io/ios/app/3m-scott-universal-mobile-app/id6698846446)

**In-app purchases:** none


### River Sentry

[App page](https://appshunter.io/ios/app/river-sentry/id6767076895)

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

**In-app purchases:** none


## Frequently asked questions

### Is 3M Scott Universal Mobile App free?

3M Scott Universal Mobile App is free to download, with no in-app purchases.

### Is River Sentry free?

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

### Do 3M Scott Universal Mobile App or River Sentry have ads?

Neither 3M Scott Universal Mobile App nor River Sentry shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*