Comparison

黑鲨魔戒 vs Nyx Ring

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

Head to head
About

黑鲨魔戒

Features
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Shark Ring is an APP that managing exercise and sleep data for smart devices, helping users record and analyze their exercise data, easily understand their sleep and body status, providing professional guidance for exercise and sleep, and create a attentive personal sleep health butler. The main functions of Shark Ring APP. Exercise recording and data analysis: Support recording exercise and exercise data visualization display, and you can view various detailed exercise index analysis to help manage the amount of activity and exercise plan. Sleep recording and data analysis: Monitor and record the sleep data and provides professional sleep statistics and analysis, to help users understanding their body status, and maintaining energy to cope with work or exercises. We will support more interesting and practical features for you in the future, please stay tuned. Disclaimer: Shark Ring is designed to helps users recording and managing their exercise and sleep data, and provider professional analysis to help manage their exercise and sleep plan and keep in good

About

Nyx Ring

Features
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The Nyx Ring is more than a smart ring—it’s a lifestyle statement. We advocate for healthy living, encouraging everyone to pay attention to their body and listen to their inner voice. By integrating technology and design, we aim to help each person find their own healthy rhythm amid busyness. Our smart ring seamlessly combines cutting-edge technology with personalized health insights to help you “get healthier the more you use it”: every time you wear it and interact with the app, it provides precise health advice, making proactive health management easy and natural. Because when technology grows with you, health becomes second nature.

Screenshots

黑鲨魔戒4 screens
Nyx Ring4 screens

Verdict

The call

The clearest difference is update cadence: 黑鲨魔戒 at monthly against Nyx Ring's every 3 months. 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

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

黑鲨魔戒 ships an update monthly, Nyx Ring every 3 months. The most recent releases landed on September 21, 2026 and May 17, 2026 respectively.

Scorecard1 real difference · 5 level
黑鲨魔戒 versus Nyx Ring: the parameters behind the verdict, then further details
Parameter黑鲨魔戒Nyx Ring
PriceFreeFree
Update frequencyMonthly — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.013.0
Further details — not scored
Size131 MB58 MB
Age rating4+17+
DeveloperNanchang Blackshark Technologies Co., Ltd.Shenzhen Hualian Hongchuang Technology Co., Ltd.

In-app purchases

None

黑鲨魔戒

No in-app purchases

None

Nyx Ring

No in-app purchases

Questions

Is 黑鲨魔戒 free?
黑鲨魔戒 is free to download, with no in-app purchases.
Is Nyx Ring free?
Nyx Ring is free to download, with no in-app purchases.
Do 黑鲨魔戒 or Nyx Ring have ads?
Neither 黑鲨魔戒 nor Nyx Ring shows ads.
Which is updated more often, 黑鲨魔戒 or Nyx Ring?
黑鲨魔戒 ships an update monthly, and Nyx Ring every 3 months. Most recently, 黑鲨魔戒 was updated on September 21, 2026 and Nyx Ring on May 17, 2026.

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