SmartCircle vs fairyO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SmartCircle
This intelligent application helps you easily track your daily status and keep your goals in sight. All your data is stored locally on your device, ensuring privacy.
- Daily status tracking
- Goal visualization
- Local data storage
- Intuitive interface
- Progress monitoring
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SmartCircle 是一款专注于记录的智能应用,帮助您轻松追踪每日状况,让目标一目了然! 数据不存储在互联网上。
fairyO
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fairyO — The Four-Leaf Ring of Life, Recording Every Moment of Your Health fairyO takes its name from the spirit that guards life. At its heart beats the Four-Leaf Core — weaving four dimensions of wellness into one smart ring: Heart, Energy, Motion, and Dream. Through continuous data tracking, fairyO helps you understand your body like never before. Wear fairyO. See your health clearly. Build better habits, every day. 【Heart · Red】Keep Tabs on Your Heartbeat · 24/7 heart rate tracking — monitor resting and active heart rate · Heart rate trend charts to understand daily patterns · Abnormal heart rate alerts, so you never miss a signal 【Energy · Gold】Track Your Daily Vitality · Auto-logged steps, distance, and calories burned · Active time stats to gauge your daily movement · Custom activity goals to build consistent habits 【Motion · Orange】Follow Your Workout Performance · Supports running, cycling, hiking, and more sport modes · Records route, duration, and intensity for every session · Workout history to review your progress over time 【Dream · Purple】Analyze Your Sleep Quality · Sleep duration tracking with deep, light, and awake stages · Sleep quality score with personalized improvement tips · Sleep trend reviews to understand your rest patterns 【Life Core · Your Health at a Glance】 · All four dimensions unified in one clear view · Weekly / monthly health reports to track your progress · End-to-end encrypted data storage — your privacy, protected · Cloud sync across all your devices · Low-power connection, lightweight wear, all-day recording More than a ring — a health companion that goes wherever you go. Download fairyO and discover a more complete you.
Screenshots
Verdict
The clearest difference is update cadence: SmartCircle at every 5 days against fairyO's every 2 weeks. SmartCircle also leads on iOS requirement (12.0 vs 15.0). 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.
SmartCircle ships an update every 5 days, fairyO every 2 weeks. The most recent releases landed on October 30, 2026 and November 6, 2026 respectively.
| Parameter | SmartCircle | fairyO |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 days — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 46 MB | 43 MB |
| Age rating | 12+ | 12+ |
| Developer | 家鑫 郝 | 深圳市千浪时代技术有限公司 |
In-app purchases
SmartCircle
No in-app purchases
fairyO
No in-app purchases









