# VETGuardian PLUS vs Plus4U Key

The clearest difference is rating: VETGuardian PLUS at 4.5 against Plus4U Key's 1.0. Plus4U Key's advantage is iOS requirement (13.0 vs 15.0). 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.

VETGuardian PLUS holds the better App Store score, 4.5 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

VETGuardian PLUS ships an update every 4 months, Plus4U Key every 6 months. The most recent releases landed on October 21, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | VETGuardian PLUS | Plus4U Key |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/vetguardian-plus/id1661145632/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/plus4u-key/id6443866595/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Free | — |
| Size | 45 MB | 87 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zomedica](https://appshunter.io/developer/1711748456) | [Plus4U Net a.s.](https://appshunter.io/developer/899103157) |

## What reviewers say

### VETGuardian PLUS

[App page](https://appshunter.io/ios/app/vetguardian-plus/id1661145632)

This app facilitates the setup of a zero-touch vital signs remote monitoring device for veterinary professionals. It provides step-by-step guidance for device unpacking, network connection, and preparation for monitoring sessions.

**Highlights:** Zero-touch vital signs monitoring, Device setup guidance, Network connection assistance, Monitoring session preparation, Veterinary professional tool

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

**In-app purchases:** none


### Plus4U Key

[App page](https://appshunter.io/ios/app/plus4u-key/id6443866595)

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

**In-app purchases:** none


## Frequently asked questions

### Is VETGuardian PLUS free?

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

### Is Plus4U Key free?

Plus4U Key is free to download, with no in-app purchases.

### Which has better reviews, VETGuardian PLUS or Plus4U Key?

VETGuardian PLUS is rated higher. VETGuardian PLUS averages 4.5 out of 5 from 2 ratings, while Plus4U Key averages 1.0 from 1 ratings.

### Do VETGuardian PLUS or Plus4U Key have ads?

Neither VETGuardian PLUS nor Plus4U Key shows ads.

### Which is updated more often, VETGuardian PLUS or Plus4U Key?

VETGuardian PLUS ships an update every 4 months, and Plus4U Key every 6 months. Most recently, VETGuardian PLUS was updated on October 21, 2026 and Plus4U Key on October 27, 2026.

---

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