Ring Sizer vs Caliper&Ruler
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 camera and screen. Offers four easy methods, including AR measurement and on-screen guides. Includes a comprehensive size chart for multiple regional standards.
- AR camera measurement
- Ring-on-screen diameter measurement
- Finger-on-screen slider adjustment
- In-app ruler for direct measurement
- Multi-regional size chart (USA, AU/GB, EU/ISO, JP/CH)
- User-friendly interface
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Discover the ultimate convenience in ring sizing with the Ring Sizer app. This innovative tool offers four distinct methods to accurately determine your ring size, ensuring you always find the perfect fit. Four Easy Sizing Methods: Camera Measurement with AR Technology: Simply place your hand on a flat surface and let the app's camera measure the ring size for your any finger. Ring-on-Screen: Place your ring on the screen within a designated circle to measure its diameter. The app displays sizes in four different regional standards: USA, AU/GB, EU/ISO, and JP/CH. Finger-on-Screen: Put your finger on the screen within a finger outline and adjust a slider to find your size. In-App Ruler: Use the in-app ruler to measure the diameter of your ring directly. Comprehensive Ring Size Chart: Access a detailed Ring Size Chart that correlates all regional size standards with finger diameter measurements in both millimeters and inches. User-Friendly Experience: The Ring Sizer app is designed for simplicity and ease of use, making ring sizing a straightforward and hassle-free process. Whether you're shopping for a new ring or just curious about your size, Ring Sizer is the perfect tool for you. Say goodbye to guesswork and hello to precision – download Ring Sizer now and step into the world of perfect ring fittings! Subscribe to get full access: $4.99 per week, cancel anytime Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sites.google.com/view/tolganaipolicy?v=8
Caliper&Ruler
Transform your device into a precise digital caliper for measuring objects in inches and millimeters. Features intuitive drag-and-measure functionality and accurate screen calibration using common items.
- Dual measurement units (inches/millimeters)
- Intuitive drag-and-measure interface
- Accurate screen calibration
- Custom calibration options
- Universal device compatibility
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Unlock Precision – Your Essential On-Screen Measurement Tool! Turn your iPhone or iPad into a versatile digital caliper. Measure objects accurately in inches and millimeters with an intuitive and easy-to-use interface. Whether you're a DIY enthusiast, student, designer, or professional, Caliper provides precise measurements wherever you need them. Key Features: - Dual Measurement Units: Easily measure in both inches and millimeters. - Intuitive Drag-and-Measure: Simply drag the slider to measure objects instantly. - Accurate Calibration: Calibrate your screen using everyday objects such as credit cards, AA batteries, rulers, or CDs/DVDs/Blu-ray discs. - Custom Calibration: Use any object with a known length for precise adjustment. - Universal Compatibility: Designed for iPhone (landscape only) and iPad (all orientations). Download Caliper and experience accurate measurements anytime, anywhere.
Screenshots
Verdict
The clearest difference is rating: Caliper&Ruler at 5.0 against Ring Sizer's 4.7. Ring Sizer's advantage is ratings volume (50 vs 1) and iOS requirement (14.0 vs 18.4). 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
Both are free to download. Ring Sizer sells 4 in-app purchases, starting at $4.99 per 7 days and Caliper&Ruler sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Caliper&Ruler holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Ring Sizer has 50 ratings behind it against 1, so its average is the more settled of the two.
| Parameter | Ring Sizer | Caliper&Ruler |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (50 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 50 — better | 1 |
| Update frequency | — | Every 6 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 18.4 |
| Further details — not scored | ||
| Size | 4 MB | 5 MB |
| Age rating | 4+ | +4 |
| Developer | Ivan Frolov | Jun Yamabe |
Customer experience
Ring Sizer
Caliper&Ruler
In-app purchases
Ring Sizer
- Ring Sizer Weekly Trial Promo3 Days trial$4.997 Days
- Ring Sizer Pro Weekly$4.997 Days
- Ring Sizer Year Trial Promo3 Days trial$39.991 Year
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- Ring Sizer Pro Year$39.991 Year
Caliper&Ruler
- Remove Ads$2.99









