Comparison

VBS UV vs Ring Sizer & Size Finder

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

VBS UV

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
Read full description

The UI-Index app is a simple app to help us manage the sun exposure of our campers.​ For more information about this model of VBS, head to https://vbsonline.org

About

Ring Sizer & Size Finder

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
Read full description

Measure your ring size instantly using your iPhone. No guesswork. No extra tools required. Ring Sizer & Size Finder is an all-in-one tool that helps you accurately determine ring size, measure your finger, and use a built-in ruler directly on your device. Accurate Ring Sizing Place your ring on the screen and match it with the adjustable circle to find the exact size in seconds. Finger Measurement Don’t have a ring? Measure your finger width and calculate the correct ring size quickly and easily. International Size Conversion Supports all major measurement systems: • United States & Canada • United Kingdom & Australia • Europe (ISO) • Japan & China Perfect for shopping jewelry anywhere in the world. Built-in Ruler Tool Measure everyday objects using your screen with support for inches and millimeters. Key Features • Simple and intuitive interface • Fast and accurate results • Multiple sizing methods • Works without physical tools • Supports global size standards Find your perfect fit and shop with confidence.

Screenshots

VBS UV4 screens
Ring Sizer & Size Finder4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
VBS UV versus Ring Sizer & Size Finder: the parameters behind the verdict, then further details
ParameterVBS UVRing Sizer & Size Finder
PriceFreeFree
Rating5.0 (1 ratings)5.0 (2 ratings)
Positive reviews100.0% of reviews—
Number of ratings12 — better
Update frequencyEvery 6 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.026.0
Further details — not scored
Size6 MB9 MB
Age rating4+4+
DeveloperMark SpauldingLimeLime Labs LLC

Customer experience

VBS UV

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Ring Sizer & Size Finder

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

VBS UV

No in-app purchases

1 purchases

Ring Sizer & Size Finder

One-time1
  • Ring Sizer Pro$0.99

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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