Hi Ring vs UD Health
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hi Ring
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Hi Ring智能戒指-您的智能计步管家 Hi Ring智能戒指现已全面上线!通过蓝牙实时同步，随时掌握您的运动数据。新功能亮点: 实时记录数据：记录您每天的运动步数，与您设定的目标值对比。 智能数据统计:日、周、月、年多维度数据展示，一目了然。 云端数据同步:确保您的数据安全备份，多设备无缝切换。 立即体验Hi Ring智能戒指，开启健康新生活! [免责声明] 本产品仅作为日常健康参考的普通消费级产品，不宣称医疗用途，不属于医疗器械范畴，请勿将其用于任何医疗用途。Hi Ring所产生的一切数据和建议，是为了帮助您了解自身的身体状态，仅用于日常参考，不能代表临床诊断。您在做出任何医疗决定之前，先寻求专业医生的建议。
UD Health
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The accompanying app for the smart sleep pillow is an IoT tool.
Screenshots
Verdict
The clearest difference is iOS requirement: UD Health at 12.0 against Hi Ring's 15.0. 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.
Hi Ring ships an update every 2 weeks, UD Health every 3 weeks. The most recent releases landed on June 22, 2026 and September 4, 2026 respectively.
| Parameter | Hi Ring | UD Health |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 33 MB | 83 MB |
| Age rating | 4+ | 12+ |
| Developer | Shenzhen Hipine Precision Technology Co.,Ltd. | ZHEJIANG YOUDIAN MEDICAL TECHNOLOGY CO,. LTD. |
In-app purchases
Hi Ring
No in-app purchases
UD Health
No in-app purchases
