Ring Sizer vs Fx PRO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ring Sizer
Accurately measure your finger or an existing ring directly from your smartphone. This tool supports multiple international sizing standards and provides easy-to-use visual guides for confident jewelry purchases.
- Measure finger or ring size
- Supports international size standards
- Easy visual guides
- Save and share sizes
- No tools required
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RingSizer – Find Your Perfect Fit! Measure your finger or ring quickly and accurately—right from your phone. Whether you're buying jewelry online or planning a surprise proposal, RingSizer ensures a perfect fit every time. Key Features: - Measure your finger or existing ring with precision - Supports international size standards (US, UK, EU, AU, JP, CN, IN) - Easy-to-use visual guides - Save and share sizes with ease No tools, no guesswork—just a simple, reliable way to get your size right the first time. Download RingSizer today and shop with confidence. Suggestions or questions? Email us at support@rozumind.com Terms of Use: https://www.rozumind.com/terms-and-conditions Privacy Policy: https://www.rozumind.com/privacy-policy
Fx PRO
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Fx Pro é um aplicativo para monitoramento, rastreamento e gestão de veículos. Com ele você pode monitorar o seu veículo ou de sua empresa, em tempo real, através do módulo GPS instalado no veículo. - Posição em tempo real - Bloqueio e comandos diversos - Histórico de movimentação - Alertas Consulte nosso site para maiores informações.
Screenshots
Verdict
The clearest difference is iOS requirement: Fx PRO at 13.0 against Ring Sizer's 17.0. On price, update cadence, 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.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 19, 2026 and October 7, 2026 respectively.
| Parameter | Ring Sizer | Fx PRO |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (10 ratings) — better | — |
| Number of ratings | 10 — better | — |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 119 MB |
| Age rating | 4+ | 17+ |
| Developer | Aliaksei Mikhailouski | Fx Solucoes Em Seguranca Ltda |
In-app purchases
Ring Sizer
No in-app purchases
Fx PRO
No in-app purchases
