# ZRing vs ZDRing

The clearest difference is update cadence: ZRing at fortnightly against ZDRing's every 6 weeks. ZRing also leads on iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

ZRing ships an update fortnightly, ZDRing every 6 weeks. The most recent releases landed on September 11, 2026 and September 2, 2026 respectively.

## The numbers

| Metric | ZRing | ZDRing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zdring/id6745533781/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | — | Free |
| Size | 51 MB | 287 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | +17 | 4+ |
| Developer | [Shenzhen Zhilian Shengya Electronic Technology Co., Ltd.](https://appshunter.io/developer/1690189809) | [Shenzhen Zhongdong Technology Co., Ltd.](https://appshunter.io/developer/1669208809) |

## What reviewers say

### ZRing

[App page](https://appshunter.io/ios/app/zring/id6742728038)

**In-app purchases:** none


### 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


## Frequently asked questions

### Is ZRing free?

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

### Is ZDRing free?

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

### Do ZRing or ZDRing have ads?

Neither ZRing nor ZDRing shows ads.

### Which is updated more often, ZRing or ZDRing?

ZRing ships an update fortnightly, and ZDRing every 6 weeks. Most recently, ZRing was updated on September 11, 2026 and ZDRing on September 2, 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.*