Ring Sizer App vs Ring Sizer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ring Sizer App
Easily measure your ring size at home without a jeweler. Accurately determine your size by measuring your finger or an existing ring, with results instantly displayed in all major international standards.
- Measure finger size on screen
- Match existing ring size
- Instant international size conversion
- Save and organize multiple sizes
- Share sizes with others
- Built-in size converter
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Find your perfect ring size — accurately, instantly, and from anywhere. Ring Sizer is the easiest way to measure your ring size at home. Whether you're shopping for an engagement ring, wedding band, or a gift for someone special, get the exact size you need in just a few taps. No jeweler visit required. TWO WAYS TO MEASURE Measure Your Finger Place your finger on the screen and adjust the slider until it fits perfectly. The app guides you step by step for a precise reading every time. Match Any Ring Already have a ring? Place it on the screen and drag the circle to match the inner edge. Instantly see the exact size — perfect for surprise proposals or reordering a favorite piece. INSTANT RESULTS IN EVERY STANDARD Get your ring size displayed simultaneously in all major international sizing systems: - US & Canada - UK & Australia - European (EU) - Japanese (JP) - Millimeters, inches, and circumference No more confusing conversion charts. One measurement gives you every size you need, no matter where you shop. SAVE & ORGANIZE YOUR SIZES Keep all your measurements in one place. Save ring sizes with custom labels like "Engagement Ring" or "Wedding Band," and access them anytime. Perfect for couples shopping together, jewelers on the go, or anyone who buys rings regularly. SIZE CONVERSION Need to convert between sizing standards? The built-in converter lets you quickly switch between US, EU, UK, JP, and more — ideal when shopping from international jewelers or traveling abroad. SHARE WITH ANYONE Found your size? Share it directly with your partner, a jeweler, or paste it into any online checkout. No more texting "what's your ring size?" back and forth. DESIGNED FOR ACCURACY Ring Sizer uses your device's actual screen dimensions for precise on-screen measurements. The slider-based interface eliminates guesswork, giving you results you can trust for real purchases. PERFECT FOR - Engagement & wedding ring shopping - Buying rings as gifts or surprises - Online jewelry shopping from any country - Jewelers and jewelry professionals - Couples planning a proposal - Reordering or resizing existing rings FREE & PREMIUM Ring Sizer offers powerful features for every user. Free — always available: Instant size conversion between all major international standards (US, UK, EU, JP, and more) No account required Premium — unlock the full experience: Measure your ring size by placing your finger directly on the screen Match any existing ring using the on-screen circle method Save unlimited ring sizes with custom labels Share your sizes with anyone instantly Three ways to go Premium: Lifetime — One-time purchase, yours forever. Ideal if you just need your size once. Weekly — Short-term access when you only need it briefly. Yearly — Best value for jewelers, couples planning a wedding, or anyone who shops for rings regularly. All plans include full access to every Premium feature. Weekly and Yearly are auto-renewing subscriptions. Payment is charged to your Apple Account at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Manage or turn off auto-renewal anytime in your Apple Account settings. Lifetime is a one-time purchase and does not renew. PRIVATE & SECURE Your measurements stay on your device. No account required, no data collected, no ads tracking your shopping habits. Just a simple, accurate tool that respects your privacy. Download Ring Sizer today and never guess your ring size again. Privacy: https://innowavesolution.com/privacy Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ring Sizer
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Ring Sizer is a simple tool for checking ring size directly on your iPhone. Open the app, place a ring on the screen, and adjust the circle with the smooth slider until it matches the inside edge of the ring. The selected size and inner diameter are shown clearly, so you can check the result without searching through conversion tables. The app supports JP, US, EU, and UK size systems. It automatically chooses a default based on your device language and region, and you can change it anytime from the size menu. The slider moves by size steps with subtle haptic feedback, making the measuring experience quick and satisfying. You can also save sizes for your own fingers. Store sizes for the left and right hand, from thumb to little finger, and review them later in the My Fingers tab. Ring Sizer is designed with a calm, feminine beige style that keeps the measuring circle easy to see while still feeling polished. It is perfect for checking rings at home, comparing sizes before shopping, or keeping a personal ring-size note.
Screenshots
Verdict
The clearest difference is update cadence: Ring Sizer App at every 5 days against Ring Sizer's every 4 weeks. Ring Sizer App also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support 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
Both are free to download. Ring Sizer App sells 3 in-app purchases, starting at $3.99 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.
Ring Sizer App ships an update every 5 days, Ring Sizer every 4 weeks. The most recent releases landed on October 17, 2026 and October 6, 2026 respectively.
| Parameter | Ring Sizer App | Ring Sizer |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 5 days — better | Every 4 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPod | iPhone, iPad, Apple Watch — better |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 54 MB | 62 MB |
| Age rating | 4+ | 4+ |
| Developer | InnoWave SRL | Romiick LLC |
In-app purchases
Ring Sizer App
- Ring Sizer Pro Weekly$3.997 Days
- Ring Sizer Pro Yearly$19.991 Year
- Lifetime Offer Ring Sizer$39.99
Ring Sizer
- Ring Sizer Pro$9.99









