# ZDRing vs Du Watch

The clearest difference is iOS requirement: Du Watch at 13.0 against ZDRing's 15.0. On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for ZDRing against 5.0 for Du Watch. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

ZDRing ships an update every 5 weeks, Du Watch every 2 months. The most recent releases landed on October 2, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | ZDRing | Du Watch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/zdring/id6745533781/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/du-watch/id6761360096/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 292 MB | 282 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Zhongdong Technology Co., Ltd.](https://appshunter.io/developer/1669208809) | [Shenzhen Ultra Easy Technology Co., Ltd.](https://appshunter.io/developer/958871192) |

## What reviewers say

### ZDRing

[App page](https://appshunter.io/ios/app/zdring/id6745533781)

This app works with smart rings to monitor your sports performance in real time. It tracks steps, distance, calories burned, and sleep quality, integrating with Apple Health.

**Highlights:** Real-time sports performance monitoring, Step, distance, and calorie tracking, Sleep quality monitoring, Apple Health integration, Works with smart rings

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

**In-app purchases:** none


### Du Watch

[App page](https://appshunter.io/ios/app/du-watch/id6761360096)

This app monitors daily activity like steps, distance, calories, and sleep. It also supports various sports modes and syncs phone notifications such as calls and SMS.

**Highlights:** Daily activity tracking (steps, distance, calories), Sleep monitoring, Sports mode support, Mobile phone notification sync (calls, SMS), HealthKit integration

**In-app purchases:** none


## Frequently asked questions

### Is ZDRing free?

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

### Is Du Watch free?

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

### Which has better reviews, ZDRing or Du Watch?

ZDRing and Du Watch are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do ZDRing or Du Watch have ads?

Neither ZDRing nor Du Watch shows ads.

### Which is updated more often, ZDRing or Du Watch?

ZDRing ships an update every 5 weeks, and Du Watch every 2 months. Most recently, ZDRing was updated on October 2, 2026 and Du Watch on October 17, 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.*