Comparison

SmartLiving. vs osaring sizer

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

Head to head
About

SmartLiving.

Features
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SmartLiving.: The Smart Ring's Partner for Health Management Whether it's daily commuting on foot, exercising in the gym, outdoor running, or yoga stretching, SmartLiving. can capture real-time exercise data through the smart ring: Precisely record steps, calorie consumption, and exercise distance, and generate intuitive exercise reports; Support multiple exercise mode switching, and corresponding exclusive data monitoring for different exercise scenarios, ensuring clear records for every exercise. Support seamless synchronization with the "Apple Health" app: Automatically synchronize the steps, calories, and exercise distance recorded by the ring to Apple Health without manual operation; Integrate multiple health data to enable you to grasp a more comprehensive health status in one interface. Cautionary Notice The data on movement and sleep measured by this application through the smart ring are for health reference only and do not constitute a medical diagnosis basis. For any medical-related decisions, please follow the advice of professional medical institutions and doctors.

About

osaring sizer

Features
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Used for measuring ring size

Screenshots

SmartLiving.4 screens
osaring sizer4 screens

Verdict

The call

The clearest difference is update cadence: osaring sizer at every 3 days against SmartLiving.'s every 4 months. SmartLiving.'s advantage is iOS requirement (13.0 vs 15). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

SmartLiving. ships an update every 4 months, osaring sizer every 3 days. The most recent releases landed on September 17, 2026 and August 18, 2026 respectively.

Scorecard2 real differences ยท 4 level
SmartLiving. versus osaring sizer: the parameters behind the verdict, then further details
ParameterSmartLiving.osaring sizer
PriceFreeFree
Update frequencyEvery 4 monthsEvery 3 days โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod โ€” better
Requires iOS13.0 โ€” better15
Further details โ€” not scored
Size147 MB32 MB
Age rating17+4+
DeveloperYucheng Innovate (HK) Technology Co., LimitedShenzhen Huoyan Intelligence Co.,Ltd

In-app purchases

None

SmartLiving.

No in-app purchases

None

osaring sizer

No in-app purchases

Questions

Is SmartLiving. free?
SmartLiving. is free to download, with no in-app purchases.
Is osaring sizer free?
osaring sizer is free to download, with no in-app purchases.
Do SmartLiving. or osaring sizer have ads?
Neither SmartLiving. nor osaring sizer shows ads.
Which is updated more often, SmartLiving. or osaring sizer?
SmartLiving. ships an update every 4 months, and osaring sizer every 3 days. Most recently, SmartLiving. was updated on September 17, 2026 and osaring sizer on August 18, 2026.

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