Ring Sizer vs Ring Sizer AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
Ring Sizer AI
Accurately measure your ring size using your phone's camera. Features AI-powered scanning, a professional ruler, and a comprehensive size converter. Save measurements and get personalized style recommendations.
- AI Smart Scan for finger size
- PPI calibrated screen measurement
- Professional liquid glass ruler
- 50+ regional size standards converter
- Digital jewelry box for saved sizes
- AI stylist for ring recommendations
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Stop guessing. Get the perfect fit with Ring Sizer AI, the most accurate measurement tool on the App Store. Why we are No.1? Unlike other apps, we provide Industry-First PPI Calibration. By calibrating your screen with a physical object, we ensure 100% millimetric precision that matches the real world. Key Features: AI Smart Scan: No ring? No problem. Place your finger next to any common object (coin, card, or lighter) and let Gemini AI calculate your size instantly. Professional Ruler: Use our Liquid Glass ruler for rings you already own. Calibrated background grids provide absolute confidence. Master Converter: Completely FREE access to 50+ regional standards (US, UK, EU, JP, CN, HK, and ISO). Digital Jewelry Box: Save measurements for your loved ones in elegant Bento-style profiles. AI Stylist: Receive professional ring style recommendations based on your unique finger shape. Precision Guaranteed: 100% Calibrated Accuracy. Privacy First: Photos are processed in real-time and never stored. Trusted by 100,000+ users. Note: Manual measurement results require a subscription to unlock. Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy: https://legal.rkvpxdr.com/privacy.html
Screenshots
Verdict
The clearest difference is rating: Ring Sizer AI at 5.0 against Ring Sizer's 3.3. Ring Sizer's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 5 weeks). On price, ratings volume, 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
Both are free to download. Ring Sizer sells 2 in-app purchases, starting at $3.99 per 7 days and Ring Sizer AI sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Ring Sizer AI holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 3 and 2 respectively.
Ring Sizer ships an update every 2 weeks, Ring Sizer AI every 5 weeks. The most recent releases landed on June 4, 2026 and August 20, 2026 respectively.
| Parameter | Ring Sizer | Ring Sizer AI |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (3 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 3 — better | 2 |
| Update frequency | Every 2 weeks — better | Every 5 weeks |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Dziyana Dashynevich | 嵩 张 |
Customer experience
Ring Sizer
Ring Sizer AI
In-app purchases
Ring Sizer
- Weekly Premium$3.997 Days
- Annual Premium$19.991 Year
Ring Sizer AI
- Pro (Weekly)3 Days trial$4.997 Days
- Pro (Annually)$29.991 Year
