Smart Heat vs Fy Ring
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart Heat
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Smart Heat can manage the entire weekly program and settings of your exclusive heater. Manage your time slots of activity, heating speed and temperature, eco settings, and led colour and intensity.
Fy Ring
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◆ A simple and enjoyable application that records daily health data for visual understanding. Utilizing wearable smart rings, it enables effective health management. ◆ The app aims to visualize daily activities and health conditions, encouraging behavioral changes. Manage your daily lifestyle numerically, whether increasing step counts or pursuing better sleep, for a disciplined life and a healthier body. ◆ Key Features: ・Sleep (Duration/Depth) ・Stress ・Heart Rate Variability ・Step/Calories/Distance ・Heart Rate Through this app, gain a deeper understanding of your health and embark on a positive lifestyle transformation. ※ It is important to note that this app is not intended to be a medical device, and the data provided by this app is for general health and wellness purposes only. The app's information is not a substitute for professional medical advice, diagnosis, or treatment.
Screenshots
Verdict
The clearest difference is update cadence: Fy Ring at fortnightly against Smart Heat's every 22 months. Smart Heat's advantage is iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and device support 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.
Smart Heat ships an update every 22 months, Fy Ring fortnightly. The most recent releases landed on September 29, 2026 and October 4, 2026 respectively.
| Parameter | Smart Heat | Fy Ring |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 22 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 27 MB | 77 MB |
| Age rating | 4+ | 4+ |
| Developer | CAOS SRL | MedVigilance Inc. |
In-app purchases
Smart Heat
No in-app purchases
Fy Ring
No in-app purchases
