# Femtek Sizer vs Ricca Jewelry Guide

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.

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 November 5, 2026 respectively.

## The numbers

| Metric | Femtek Sizer | Ricca Jewelry Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ricca-jewelry-guide/id6747201984/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 10 days** |
| Monetization | Free | Free |
| Size | 1 MB | 32 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Femtek](https://appshunter.io/developer/1552913506) | [Rafael Caetano](https://appshunter.io/developer/1791655837) |

## What reviewers say

### Femtek Sizer

[App page](https://appshunter.io/ios/app/femtek-sizer/id1664137756)

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.

**Highlights:** On-screen ring sizing, Slider adjustment for precise measurement, Eliminates need for physical tools, Troubleshooting guide available

**Features:** macOS Compatibility

**In-app purchases:** none


### Ricca Jewelry Guide

[App page](https://appshunter.io/ios/app/ricca-jewelry-guide/id6747201984)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Femtek Sizer free?

Femtek Sizer is free to download, with no in-app purchases.

### Is Ricca Jewelry Guide free?

Ricca Jewelry Guide is free to download, with no in-app purchases.

### Do Femtek Sizer or Ricca Jewelry Guide have ads?

Neither Femtek Sizer nor Ricca Jewelry Guide shows ads.

### Which is updated more often, Femtek Sizer or Ricca Jewelry Guide?

Femtek Sizer ships an update every 5 months, and Ricca Jewelry Guide every 10 days. Most recently, Femtek Sizer was updated on November 3, 2026 and Ricca Jewelry Guide on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*