# VIV Ring vs Stark Ring

The clearest difference is update cadence: VIV Ring at every 2 weeks against Stark Ring's every 3 months. Stark Ring's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases there is nothing between them.

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

VIV Ring ships an update every 2 weeks, Stark Ring every 3 months. The most recent releases landed on October 7, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | VIV Ring | Stark Ring |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/viv-ring/id6523416256/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 625 MB | 102 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [VIV HEALTH INC.](https://appshunter.io/developer/1756028319) | [Dien Nha Huyen](https://appshunter.io/developer/1886728359) |

## What reviewers say

### VIV Ring

[App page](https://appshunter.io/ios/app/viv-ring/id6523416256)

This smart ring and its companion app offer advanced health tracking, monitoring sleep, activity, heart rate, and stress. It provides personalized insights to help users understand their bodies and make informed lifestyle choices for general wellness.

**Highlights:** Sleep cycle tracking, Activity level monitoring, Heart rate monitoring, Stress level tracking, Personalized wellness insights, Intuitive app interface

**In-app purchases:** none


### Stark Ring

[App page](https://appshunter.io/ios/app/stark-ring/id6760904959)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is VIV Ring free?

VIV Ring is free to download, with no in-app purchases.

### Is Stark Ring free?

Stark Ring is free to download, with no in-app purchases.

### Do VIV Ring or Stark Ring have ads?

Neither VIV Ring nor Stark Ring shows ads.

### Which is updated more often, VIV Ring or Stark Ring?

VIV Ring ships an update every 2 weeks, and Stark Ring every 3 months. Most recently, VIV Ring was updated on October 7, 2026 and Stark Ring on September 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*