Comparison

ZRing vs KIN Labs

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

About

KIN Labs

Features
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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

ZRing4 screens
KIN Labs4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ZRing ships an update fortnightly, KIN Labs monthly. The most recent releases landed on September 11, 2026 and September 8, 2026 respectively.

Scorecard1 real difference · 5 level
ZRing versus KIN Labs: the parameters behind the verdict, then further details
ParameterZRingKIN Labs
PriceFreeFree
Update frequencyFortnightly — betterMonthly
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better15.0
Further details — not scored
Size51 MB95 MB
Age rating+174+
DeveloperShenzhen Zhilian Shengya Electronic Technology Co., Ltd.Eden Holdings Philippines Inc.

In-app purchases

None

ZRing

No in-app purchases

None

KIN Labs

No in-app purchases

Questions

Is ZRing free?
ZRing is free to download, with no in-app purchases.
Is KIN Labs free?
KIN Labs is free to download, with no in-app purchases.
Do ZRing or KIN Labs have ads?
Neither ZRing nor KIN Labs shows ads.
Which is updated more often, ZRing or KIN Labs?
ZRing ships an update fortnightly, and KIN Labs monthly. Most recently, ZRing was updated on September 11, 2026 and KIN Labs on September 8, 2026.

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