Femtek Sizer vs Riidaa
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!
Riidaa
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Riidaa is a no-nonsense PDF and text reader. It creates a single bookmark for each new text and keeps track of your last read page. There is no other data being stored and no data transmitted, no in-app purchases.
Screenshots
Verdict
The clearest difference is price: Femtek Sizer at Free against Riidaa's $0.99. On ads, in-app purchases, device support and iOS requirement 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
Femtek Sizer is free to download; Riidaa costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Femtek Sizer | Riidaa |
|---|---|---|
| Price | Free — better | $0.99 |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 5 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 1 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Femtek PTY LTD | Thomas Sturm |
In-app purchases
Femtek Sizer
No in-app purchases
Riidaa
No in-app purchases
