# ZDRing vs LoopFit

The clearest difference is in-app purchases: ZDRing at none against LoopFit's 2. ZDRing also leads on update cadence (every 6 weeks vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. LoopFit sells 2 in-app purchases, starting at $2.99 per month. ZDRing asks for nothing beyond the download.

ZDRing ships an update every 6 weeks, LoopFit every 7 months. The most recent releases landed on September 2, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | ZDRing | LoopFit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zdring/id6745533781/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 7 months |
| Monetization | Free | — |
| Size | 287 MB | 30 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Zhongdong Technology Co., Ltd.](https://appshunter.io/developer/1669208809) | [Jesus David Gonzalez Ramos](https://appshunter.io/developer/1139457257) |

## 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


### LoopFit

[App page](https://appshunter.io/ios/app/loopfit-hiit-and-tabata-timer/id6748365679)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LoopFit Monthly Pass | $2.99 | per month |
| LoopFit Pro Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is ZDRing free?

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

### Is LoopFit free?

LoopFit is free to download, with in-app purchases available.

### Do ZDRing or LoopFit have ads?

Neither ZDRing nor LoopFit shows ads.

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

ZDRing ships an update every 6 weeks, and LoopFit every 7 months. Most recently, ZDRing was updated on September 2, 2026 and LoopFit on September 5, 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.*