ZRing vs KIN Labs
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ZRing
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ZRing App works with our products to provide you with the best set of information, the app transfers your health information from your watch to your phone The built-in pedometer tracks your steps, distance and calories burned. Built-in sleep monitor tracks your sleep quality. Our Device also notifies you when you receive an incoming call or message. App integrates Apple Health.
KIN Labs
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KIN – Smart Ring for Everyday Wellness KIN is a lifestyle smart ring and companion app designed to help you stay more mindful of your daily habits and overall wellbeing. From movement to rest, KIN provides easy-to-understand insights that support a balanced lifestyle—right from your finger. Discover patterns in your activity, sleep, and daily routines to build healthier habits and feel more connected with your body. As you stay consistent, KIN turns your healthy actions into points you can redeem for rewards. With one of the most affordable smart rings on the market, KIN makes advanced wearable technology accessible to everyone—no subscription required. KEY FEATURES Sleep Insights Track your nightly rest, including time in deep, light, and REM stages, and wake up with a clearer view of your sleep patterns. Daily Readiness Get an easy-to-read score that reflects how your body may be responding to rest, activity, and recovery. Mindful Balance Follow your body’s signals such as heart rate and variability trends to support stress management and overall balance. Wellness Streaks & Rewards Earn points for healthy habits like wearing your ring, completing streaks, or logging your daily check-ins. Personalized Style Choose from unique ring designs that match your lifestyle, community, and personal identity. KIN is designed for general wellness and lifestyle purposes only. It is not a medical device and should not be used as a substitute for professional medical advice, diagnosis, or treatment.
Screenshots
Verdict
The clearest difference is iOS requirement: ZRing at 12.0 against KIN Labs'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.
ZRing ships an update fortnightly, KIN Labs monthly. The most recent releases landed on September 11, 2026 and September 8, 2026 respectively.
| Parameter | ZRing | KIN Labs |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 51 MB | 95 MB |
| Age rating | +17 | 4+ |
| Developer | Shenzhen Zhilian Shengya Electronic Technology Co., Ltd. | Eden Holdings Philippines Inc. |
In-app purchases
ZRing
No in-app purchases
KIN Labs
No in-app purchases









