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
Easily and accurately measure your ring size using your smartphone. Ideal for online jewelry purchases or verifying existing ring dimensions. Offers multiple sizing systems and a clean interface.
- On-screen guide for measurement
- Supports EU, US, UK, JP sizing
- Fine-tune for accuracy
- Save ring sizes
- Intuitive interface
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RingSizer helps you measure your ring size easily and accurately using your phone. Perfect for buying rings online or checking an existing ring size. Simple, fast, and reliable. • Measure ring size using an on-screen guide • Supports multiple sizing systems (EU, US, UK, JP) • Fine-tune measurements for accuracy • Save your ring size for later • Clean and intuitive interface RingSizer is ideal if you: • Buy rings online • Want to know your exact ring size • Need to convert ring sizes between systems Accuracy depends on correct alignment and user input. Terms of use : https://philemoncombes.com/ringsizer/terms.html Privacy policy : https://philemoncombes.com/ringsizer/privacy.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 ads: Ring Sizer at none against Ring Sizer AI's shown. Ring Sizer also leads on update cadence (every 2 weeks vs every 5 weeks) and iOS requirement (13.0 vs 15.0). On price, rating, review sentiment and ratings volume 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 $4.99 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.
On the App Store both sit at effectively the same score — 5.0 for Ring Sizer against 5.0 for Ring Sizer AI. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Ring Sizer ships an update every 2 weeks, Ring Sizer AI every 5 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.
| Parameter | Ring Sizer | Ring Sizer AI |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (3 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 2 | 3 — better |
| Update frequency | Every 2 weeks — better | Every 5 weeks |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 40 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Philemon Combes | Tianjin Illuso Information Technology Co., Ltd. |
Customer experience
Ring Sizer
Ring Sizer AI
In-app purchases
Ring Sizer
- Ring Sizer weekly3 Days trial$4.997 Days
- Ring Sizer yearly3 Days trial$22.991 Year
Ring Sizer AI
- Pro (Weekly)3 Days trial$4.997 Days
- Pro (Annually)$29.991 Year
