# VIV Ring vs ringku

The clearest difference is update cadence: VIV Ring at every 2 weeks against ringku's every 3 months. ringku's advantage is device support (3 vs 1) and iOS requirement (15.0 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, ringku every 3 months. The most recent releases landed on September 20, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | VIV Ring | ringku |
| --- | --- | --- |
| 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 | 67 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [VIV HEALTH INC.](https://appshunter.io/developer/1756028319) | [翠红 崔](https://appshunter.io/developer/1791300266) |

## 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


### ringku

[App page](https://appshunter.io/ios/app/ringku/id6740729569)

**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 ringku free?

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

### Do VIV Ring or ringku have ads?

Neither VIV Ring nor ringku shows ads.

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

VIV Ring ships an update every 2 weeks, and ringku every 3 months. Most recently, VIV Ring was updated on September 20, 2026 and ringku on September 18, 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.*