# GlobalUV vs Un

The clearest difference is in-app purchases: GlobalUV at none against Un's 10. GlobalUV also leads on ads (none vs shown) and ratings volume (4 vs 1). Un's advantage is review sentiment (100% vs 80%) and rating (5.0 vs 4.8). On price and device support there is nothing between them.

Both are free to download. Un sells 9 in-app purchases, starting at $25.00 per month. GlobalUV asks for nothing beyond the download.

Un holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 80% of GlobalUV's written reviews are positive against 100% of Un's.

GlobalUV ships an update every 3 months, Un monthly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | GlobalUV | Un |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (4 ratings)](https://appshunter.io/ios/app/globaluv/id1112396623/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/un-chase/id6448324755/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 49 MB | 93 MB |
| Requires iOS | **13** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jeremy Burke](https://appshunter.io/developer/1074125212) | [Mia & The Dude Pty Ltd](https://appshunter.io/developer/1684425179) |

## What reviewers say

### GlobalUV

[App page](https://appshunter.io/ios/app/globaluv/id1112396623)

Provides estimates of the current UV Index (UVI) for any location globally. It details how UVI levels are expected to change throughout the day, helping users understand UV radiation exposure and its health implications.

**Highlights:** Global UVI level display, Current UVI estimates, Daily UVI variation forecast, Location-based UVI data, Information on UV radiation health risks

**In-app purchases:** none


### Un

[App page](https://appshunter.io/ios/app/un-chase/id6448324755)

This app provides a structured program to help stop dogs from chasing. It offers live support, progress tracking, and community features to ensure success. Achieve a dog that follows your lead and is trustworthy around pets, wildlife, and people.

**Highlights:** Step-by-step dog chasing cessation program, Live support and progress tracking, Guidance for various chasing targets, Access to all relevant courses, Live chats and group coaching, Community support

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Un-Chase!® Core Skills | $25.00 | per month |
| Un-Chase!® Subscriber | $29.00 | per month |
| Un-Chase!® Puppy | $49.00 | per month |
| Un-Chase!® Subscriber | $59.00 | per month |
| Un-Chase!® Snakes | $449.00 | per year |
| Protocol for Relaxation | $4.99 | one-time |
| Un-Chase!® Pocket Pets | $129.00 | one-time |
| Un-Chase!® Snakes | $129.00 | one-time |
| Un-Chase!® Puppy | $149.00 | one-time |


## Frequently asked questions

### Is GlobalUV free?

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

### Is Un free?

Un is free to download, with in-app purchases available.

### Which has better reviews, GlobalUV or Un?

Un is rated higher. GlobalUV averages 4.8 out of 5 from 4 ratings, while Un averages 5.0 from 1 ratings.

### Do GlobalUV or Un have ads?

Un shows ads; GlobalUV does not.

### Which is updated more often, GlobalUV or Un?

GlobalUV ships an update every 3 months, and Un monthly. Most recently, GlobalUV was updated on November 2, 2026 and Un on November 3, 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.*