Ring Sizer vs RingFit Gauge
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
RingFit Gauge
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Find your ring size in seconds with RingFit Gauge. Measure an existing ring by placing it on your screen and matching the guide to the ring’s inner edge. RingFit converts the result into clear international sizes, including US, EU, UK, Japan, and more. No ring available? Use the guided paper-strip method to estimate finger circumference, then convert it to a recommended ring size. KEY FEATURES • Measure an existing ring on screen • Estimate finger size with a guided paper-strip method • Convert ring sizes across international standards • Calibrate your screen for real-world measurements • Use a precision ruler in millimeters, centimeters, and inches • Save measurements locally for later • Use Gift Mode for surprise ring shopping • Explore bracelet sizing and necklace length guides PRIVATE BY DESIGN RingFit works primarily on your device. No account, email, or password is required. IMPORTANT Ring size charts and manufacturing tolerances can vary. For expensive, custom, or permanent jewelry, confirm the final size with a professional jeweler. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://msacore.net/legal/ringfit-privacy
Screenshots
Verdict
Ring Sizer and RingFit Gauge are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Ring Sizer sells 1 one-off in-app purchase and RingFit Gauge sells 2 in-app purchases, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.
| Parameter | Ring Sizer | RingFit Gauge |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone |
| Requires iOS | 17.6 | 16.4 — better |
| Further details — not scored | ||
| Size | 20 MB | 45 MB |
| Age rating | 12+ | 4+ |
| Developer | Bouazza El Amri | MSA CORE LLC |
In-app purchases
Ring Sizer
- Lifetime access$4.99
RingFit Gauge
- Yearly Premium$9.991 Year
- Lifetime Access$2.99









