# ZDRing vs One Tap Alert

ZDRing and One Tap Alert are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | ZDRing | One Tap Alert |
| --- | --- | --- |
| 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 | Every 6 weeks | — |
| Monetization | Free | — |
| Size | 287 MB | 33 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Zhongdong Technology Co., Ltd.](https://appshunter.io/developer/1669208809) | [Deluxion Mohan](https://appshunter.io/developer/1808935374) |

## 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


### One Tap Alert

[App page](https://appshunter.io/ios/app/one-tap-alert/id6758563344)

**In-app purchases:** none


## Frequently asked questions

### Is ZDRing free?

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

### Is One Tap Alert free?

One Tap Alert is free to download, with no in-app purchases.

### Do ZDRing or One Tap Alert have ads?

Neither ZDRing nor One Tap Alert shows ads.

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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.*