# VBS UV vs Ring Sizer & Size Finder

The clearest difference is in-app purchases: VBS UV at none against Ring Sizer & Size Finder's 1. Ring Sizer & Size Finder's advantage is update cadence (every 2 weeks vs every 6 weeks). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Ring Sizer & Size Finder sells 1 one-off in-app purchase. VBS UV asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for VBS UV against 5.0 for Ring Sizer & Size Finder. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

VBS UV ships an update every 6 weeks, Ring Sizer & Size Finder every 2 weeks. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | VBS UV | Ring Sizer & Size Finder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/vbs-uv-index/id1179934658/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/ring-sizer-and-size-finder/id6761786932/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 6 MB | 9 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mark Spaulding](https://appshunter.io/developer/1166710709) | [LimeLime Labs LLC](https://appshunter.io/developer/1002915290) |

## What reviewers say

### VBS UV

[App page](https://appshunter.io/ios/app/vbs-uv-index/id1179934658)

This app provides UV-Index forecasts to help manage sun exposure. It offers a simple interface for users to check daily UV levels. More information about the VBS model is available online.

**Highlights:** UV-Index forecasts, Sun exposure management, Simple user interface, VBS model information link

**Features:** macOS Compatibility

**In-app purchases:** none


### Ring Sizer & Size Finder

[App page](https://appshunter.io/ios/app/ring-sizer-and-size-finder/id6761786932)

Easily determine your ring size using your iPhone's screen. Measure existing rings or your finger directly, with support for international sizing standards and a built-in ruler for everyday use.

**Highlights:** Accurate ring sizing by placing rings on screen, Finger width measurement for direct sizing, International size conversion (US, UK, EU, JP, CN), Built-in ruler for measuring objects, No extra tools required, Simple and intuitive interface

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ring Sizer Pro | $0.99 | one-time |


## Frequently asked questions

### Is VBS UV free?

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

### Is Ring Sizer & Size Finder free?

Ring Sizer & Size Finder is free to download, with in-app purchases available.

### Which has better reviews, VBS UV or Ring Sizer & Size Finder?

VBS UV and Ring Sizer & Size Finder are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do VBS UV or Ring Sizer & Size Finder have ads?

Neither VBS UV nor Ring Sizer & Size Finder shows ads.

### Which is updated more often, VBS UV or Ring Sizer & Size Finder?

VBS UV ships an update every 6 weeks, and Ring Sizer & Size Finder every 2 weeks. Most recently, VBS UV was updated on November 2, 2026 and Ring Sizer & Size Finder on October 31, 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.*