Comparison

AR Ruler Measuring Tape:Metrix vs Ring Sizer

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

Head to head
About

AR Ruler Measuring Tape:Metrix

Transform your phone into a precise digital measuring tool using augmented reality. Measure objects, calculate room dimensions, and find ring sizes with ease. Save and share your measurements in various formats.

Highlights
  • Real-time object measurement
  • Accurate ring sizer
  • 3D room scanning
  • Perimeter and square footage calculation
  • Save and share measurements
  • Imperial and metric unit support
Features
Read full description

Try Metrix: Digital Measuring Tape, a convenient and precise measurement tool that transforms your smartphone into a virtual ruler. Designed for accuracy and ease of use, it’s perfect for quick measurements on the go or detailed tasks at home, work, or school. -Real-Time Measurements- • Measure any objects by aligning them with your screen • Find your perfect ring size with an accurate on-screen Ring Sizer tool • Size up furniture for your space before buying • Use augmented reality (AR) technology to scan your room in 3D and get perimeter, square footage, ceiling height calculated automatically • Estimate dimensions during travel or shopping -Multiple Units- Switch seamlessly between imperial (inches, feet) and metric (millimeters, centimeters, meters) systems. -Save & Share- Save measurements in USDZ, STL or PDF formats and share them. Metrix: Digital Measuring Tape offers a sleek, portable alternative to physical rulers, enabling precise measurements at your fingertips anytime, anywhere! SUPPORT We aim to build the finest apps for our users. Help us improve by reporting a bug and requesting a feature via Email: support@mobiletechou.com Premium: To receive full access to Metrix: Digital Measuring Tape features, you will need to subscribe to Premium. Subscription Details Payment will be charged to your iTunes Account at confirmation of purchase. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Manage auto-renewal in your App Store settings. Privacy policy: https://docs.google.com/document/d/1D9UOVSUg2pUsqzMMWctzFtUQFiFINTt7HeOg_zIoALM/edit?usp=sharing Terms of use: https://docs.google.com/document/d/1SEs22KBmqUFvh7RLZ-GBBM6Wo7-bRwlP8msFpoESll8/edit?usp=sharing

About

Ring Sizer

Easily find your perfect ring size using your phone. Offers two precise measurement methods and supports conversions across 8 international standards. Save, name, and share your measurements for a perfect fit every time.

Highlights
  • Two precise measurement methods
  • Supports 8 international size standards
  • Save and name custom measurements
  • Exportable size cards
  • Full size chart reference
  • Pro sizing tips from jewelers
Features
Read full description

Find your perfect ring size in seconds — right from your phone. No tools, no guessing, no trips to the jeweller. Ring Sizer gives you professional-grade accuracy with two simple methods: place a ring on screen or measure your finger directly. Whether you're shopping for an engagement ring, gifting a band, or checking your own size — get it right the first time. ◆ TWO WAYS TO MEASURE ► Ring Method — Place any ring on the adjustable on-screen circle. Match it perfectly and get your exact size instantly. ► Finger Width — Place your finger on the golden bar. Fine-tune with precision controls down to 0.1mm. ◆ WORKS WORLDWIDE Convert between 8 international size standards: ● US sizes (0 to 16, quarter sizes) ● UK sizes (A to Z+4) ● EU, Japan, Italy, India, Brazil, China One measurement. Every standard. Instantly. ◆ SAVE AND NAME YOUR SIZES Give each measurement a memorable name: ► "My Wedding Ring" ► "Wife's Band" ► "Anniversary Gift" Your personal ring size collection — beautifully organised and always accessible. ◆ SHARE SIZE CARDS Export a beautiful size card with all your details — diameter, circumference, and international sizes. Send it to your jeweller, partner, or save it for later. ◆ FULL SIZE CHART A complete reference table across all standards. Browse, compare, and find any size at a glance. ◆ PRO SIZING TIPS Expert advice from professional jewellers: ► Best time of day to measure ► How temperature affects finger size ► Why band width matters ► Tips for measuring someone else ◆ DESIGNED FOR JEWELRY LOVERS ● Elegant gold-on-cream luxury design ● Smooth animations and intuitive controls ● Works on all iPhones ● No account required ● 100% private — your data stays on your device ∞ Ring Sizer Pro unlocks unlimited saved measurements, all international standards, and priority support. Whether it's an engagement, a wedding, or a Wednesday — every ring deserves to fit perfectly. Ring Sizer is available as a subscription. Payment will be charged to your iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. Privacy Policy: https://sites.google.com/view/privac-policy-inovations Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Download Ring Sizer and find your perfect fit today.

Screenshots

AR Ruler Measuring Tape:Metrix4 screens
Ring Sizer4 screens

Verdict

The call

The clearest difference is rating: Ring Sizer at 5.0 against AR Ruler Measuring Tape:Metrix's 4.2. AR Ruler Measuring Tape:Metrix's advantage is update cadence (weekly vs every 2 months) and ratings volume (1.2K vs 1). On price, ads, in-app purchases and monetization model 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. AR Ruler Measuring Tape:Metrix sells 9 in-app purchases, starting at $6.99 per 7 days and Ring Sizer 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 holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: AR Ruler Measuring Tape:Metrix has 1.2K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

AR Ruler Measuring Tape:Metrix ships an update weekly, Ring Sizer every 2 months. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 7 level
AR Ruler Measuring Tape:Metrix versus Ring Sizer: the parameters behind the verdict, then further details
ParameterAR Ruler Measuring Tape:MetrixRing Sizer
PriceFreeFree
Rating4.2 (1.2K ratings)5.0 (1 ratings) — better
Positive reviews20.6% of reviews—
Number of ratings1.2K — better1
Update frequencyWeekly — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#121 — better—
DevicesiPhoneiPhone
Requires iOS18.017.6 — better
Further details — not scored
Size410 MB20 MB
Age rating4+12+
DeveloperMobileTech OUBouazza El Amri

Customer experience

AR Ruler Measuring Tape:Metrix

All ratings1,185 ratings
Positive80.8%
Neutral2.1%
Negative17.1%
Written reviews136 reviews
Positive20.6%
Neutral0.7%
Negative78.7%

Ring Sizer

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

AR Ruler Measuring Tape:Metrix

Reported bugs

11 issues
  • Contact button does not work
  • App continues to freeze
  • Buttons not clickable
  • App didn't work for one day
  • App won't load
Show 6 more
  • API ERROR
  • Kept saying 'error' when uploading photos
  • Settings options do not open
  • App goes dark and doesn't measure
  • Free test is a ripoff
  • Functionality not showing up as advertised

Requested features

6 requests
  • Provide clear instructions/directions
  • Make cancellation process straightforward
  • Ensure contact methods are functional
  • Allow account deletion
  • Fix app freezing/loading issues
Show 1 more
  • Improve accuracy in poor lighting

Ring Sizer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

AR Ruler Measuring Tape:Metrix

Subscriptions7
  • Weekly Premium3 Days trial$6.997 Days
  • Weekly Access3 Days trial$9.997 Days
  • Weekly Family Premium3 Days trial$9.997 Days
Show 4 more
  • Annual Family Premium$39.991 Year
  • Annual Premium$49.991 Year
  • Annual Family Premium$59.991 Year
  • Annual Access$64.991 Year
One-time2
  • Lifetime Premium$59.99
  • Lifetime Access$69.99
1 purchases

Ring Sizer

One-time1
  • Lifetime access$4.99

Questions

Is AR Ruler Measuring Tape:Metrix free?
AR Ruler Measuring Tape:Metrix is free to download, with in-app purchases available.
Is Ring Sizer free?
Ring Sizer is free to download, with in-app purchases available.
Which has better reviews, AR Ruler Measuring Tape:Metrix or Ring Sizer?
Ring Sizer is rated higher. AR Ruler Measuring Tape:Metrix averages 4.2 out of 5 from 1.2K ratings, while Ring Sizer averages 5.0 from 1 ratings.
Do AR Ruler Measuring Tape:Metrix or Ring Sizer have ads?
Neither AR Ruler Measuring Tape:Metrix nor Ring Sizer shows ads.
Which is updated more often, AR Ruler Measuring Tape:Metrix or Ring Sizer?
AR Ruler Measuring Tape:Metrix ships an update weekly, and Ring Sizer every 2 months. Most recently, AR Ruler Measuring Tape:Metrix was updated on November 5, 2026 and Ring Sizer on October 31, 2026.

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