Femtek Sizer vs Nasia
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!
Nasia
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.
- Workout logging
- Progress tracking
- Customizable themes
- Intuitive interface
- Fitness goal achievement
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Nasia is a workout tracker app that helps you stay on top of your fitness goals. With its clean and intuitive interface, you can easily log your workouts and track your progress. Choose from a variety of themes to customize the app to your liking and make it truly yours. Whether you’re a beginner or an experienced athlete, Nasia is the perfect companion to help you achieve your fitness goals.
Screenshots
Verdict
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.
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, Nasia every 2 months. Both last shipped on November 3, 2026.
| Parameter | Femtek Sizer | Nasia |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Update frequency | Every 5 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 17 MB |
| Age rating | 4+ | 17+ |
| Developer | Femtek | Dylan Lamont |
Customer experience
Femtek Sizer
Nasia
In-app purchases
Femtek Sizer
No in-app purchases
Nasia
No in-app purchases
