# Femtek Sizer vs Nasia

The clearest difference is update cadence: Nasia at every 2 months against Femtek Sizer's every 5 months. Nasia also leads on iOS requirement (13.0 vs 15.0). 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, Nasia every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Femtek Sizer | Nasia |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 1 MB | 17 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Femtek](https://appshunter.io/developer/1552913506) | [Dylan Lamont](https://appshunter.io/developer/1696570009) |

## 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


### Nasia

[App page](https://appshunter.io/ios/app/nasia/id6451111469)

Easily log workouts and track your fitness progress with this intuitive application. Customize your experience with various themes to suit your style. It's designed for all fitness levels to help you reach your goals.

**Highlights:** Workout logging, Progress tracking, Customizable themes, Intuitive interface, Fitness goal achievement

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Femtek Sizer free?

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

### Is Nasia free?

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

### Do Femtek Sizer or Nasia have ads?

Neither Femtek Sizer nor Nasia shows ads.

### Which is updated more often, Femtek Sizer or Nasia?

Femtek Sizer ships an update every 5 months, and Nasia every 2 months. Most recently, Femtek Sizer was updated on November 3, 2026 and Nasia on November 3, 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.*