Femtek Sizer vs Ricca Jewelry Guide
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Femtek Sizer
This utility app helps you find your ring size accurately using your phone's screen. Simply place a ring on your device and adjust the slider to match the size, eliminating the need for physical tools or guesswork.
- On-screen ring sizing
- Slider adjustment for precise measurement
- Eliminates need for physical tools
- Troubleshooting guide available
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Say goodbye to printing charts, measuring with a string, or unsustainable plastic sizing kits. Simply place a ring that you wear on your index finger on the screen, and adjust the slider until you find the right size for you! Further instructions and troubleshooting can be found at http://www.femtek.co/faq/ subtitle (caption that is visible under app name on App Store): Femtek BBRing sizing app! Say Goodbye to guessing your size!
Ricca Jewelry Guide
Accurately measure your ring size at home using your smartphone. Calibrate your screen with a common object like a credit card for precise results, then measure your ring to find the correct international size.
- Screen calibration with credit card/coin
- Accurate on-screen ring measurement
- International size conversion (US, BR, EU)
- Quick measurement guide
- Save and review past measurements
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The Ricca Jewelry Ring Sizer helps you measure your ring size accurately using your phone. Before measuring, the app calibrates the screen using a real-world reference, such as a credit card, ruler, or coin. This ensures that measurements are consistent across different devices and screen sizes. Once calibrated, you can measure your ring and quickly determine the correct size with confidence. Features: • Screen calibration using a card, ruler, or USD coin • Accurate on-screen ring measurement • International size converter (US, BR, EU) • Quick measurement guide for greater accuracy • Save and review previous measurements This tool was created by Ricca Jewelry to help customers choose the correct ring size before buying jewelry online. For best results, calibrate your screen using a physical card or coin before measuring.
Screenshots
Verdict
The clearest difference is update cadence: Ricca Jewelry Guide at every 10 days against Femtek Sizer's every 5 months. On price, review sentiment, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Femtek Sizer ships an update every 5 months, Ricca Jewelry Guide every 10 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | Femtek Sizer | Ricca Jewelry Guide |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 1 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Femtek | Rafael Caetano |
Customer experience
Femtek Sizer
Ricca Jewelry Guide
In-app purchases
Femtek Sizer
No in-app purchases
Ricca Jewelry Guide
No in-app purchases
Questions
Is Femtek Sizer free?
Is Ricca Jewelry Guide free?
Do Femtek Sizer or Ricca Jewelry Guide have ads?
Which is updated more often, Femtek Sizer or Ricca Jewelry Guide?
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