Comparison

Ring Sizer 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

Ring Sizer

Accurately determine your ring size using your phone's screen or a built-in ruler. Supports multiple international sizing standards and allows saving measurements for future use. Ideal for online shoppers and jewelers.

Highlights
  • Measure ring size via diameter or circumference
  • Supports US, UK, EU/ISO, AU, JP, CN, RU sizes
  • Built-in screen ruler for finger measurement
  • Save measurements for multiple users
  • Ad-free experience
Features
Read full description

Sizerly is a simple and precise tool for finding the right ring size using your phone. Whether you already have a ring to measure or need to find your finger size directly, Sizerly offers an intuitive way to get reliable sizing results in seconds. Just place a ring on your screen and adjust the sizing circle, or use the built-in ruler to measure your finger diameter. Sizerly supports all major international sizing standards, so you can shop confidently online or in-store. Key Features: - Measure ring size using diameter or circumference - Includes major size systems: US, UK, EU/ISO, AU, JP, CN, RU - Built-in screen ruler for measuring fingers - Save measurements for future use or multiple users Sizerly is ideal for online shoppers, gift buyers, and jewelers. It’s accurate, easy to use, and designed without ads for a smooth experience. Privacy Policy: https://di-apps-dev.web.app/privacy.html Terms of Use: https://di-apps-dev.web.app/terms.html

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

Ring Sizer4 screens
Ring Sizer & Size Finder4 screens

Verdict

The call

The clearest difference is rating: Ring Sizer & Size Finder at 5.0 against Ring Sizer's 3.3. Ring Sizer & Size Finder also leads on monetization model (free vs free with in-app purchases). Ring Sizer's advantage is iOS requirement (16.0 vs 26.0). On price, ratings volume, update cadence 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 sells 2 in-app purchases, starting at $3.99 per 7 days and Ring Sizer & Size Finder sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Ring Sizer & Size Finder holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 2, 2026 and October 16, 2026 respectively.

Scorecard3 real differences · 6 level
Ring Sizer versus Ring Sizer & Size Finder: the parameters behind the verdict, then further details
ParameterRing SizerRing Sizer & Size Finder
PriceFreeFree
Rating3.3 (3 ratings)5.0 (2 ratings) — better
Number of ratings3 — better2
Update frequencyEvery 2 weeksEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhoneiPhone, iPad — better
Requires iOS16.0 — better26.0
Further details — not scored
Size10 MB9 MB
Age rating4+4+
DeveloperDziyana DashynevichLimeLime Labs LLC

Customer experience

Ring Sizer

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%

Ring Sizer & Size Finder

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

In-app purchases

2 purchases

Ring Sizer

Subscriptions2
  • Weekly Premium$3.997 Days
  • Annual Premium$19.991 Year
1 purchases

Ring Sizer & Size Finder

One-time1
  • Ring Sizer Pro$0.99

Questions

Is Ring Sizer free?
Ring Sizer is free to download, with in-app purchases available.
Is Ring Sizer & Size Finder free?
Ring Sizer & Size Finder is free to download, with in-app purchases available.
Which has better reviews, Ring Sizer or Ring Sizer & Size Finder?
Ring Sizer & Size Finder is rated higher. Ring Sizer averages 3.3 out of 5 from 3 ratings, while Ring Sizer & Size Finder averages 5.0 from 2 ratings.
Do Ring Sizer or Ring Sizer & Size Finder have ads?
Neither Ring Sizer nor Ring Sizer & Size Finder shows ads.
Which is updated more often, Ring Sizer or Ring Sizer & Size Finder?
Ring Sizer ships an update every 2 weeks, and Ring Sizer & Size Finder every 2 weeks. Most recently, Ring Sizer was updated on October 2, 2026 and Ring Sizer & Size Finder on October 16, 2026.

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