# AIZO RING vs MWorld Ring

The clearest difference is update cadence: MWorld Ring at every 5 days against AIZO RING's monthly. 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.

AIZO RING ships an update monthly, MWorld Ring every 5 days. The most recent releases landed on September 21, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | AIZO RING | MWorld Ring |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (44 ratings)](https://appshunter.io/ios/app/aizo-ring/id1643282888/reviews)** | — |
| Number of ratings | **44** | — |
| Positive reviews | 6.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Free | — |
| Size | 147 MB | 71 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen eIoT Technology Co., Ltd.](https://appshunter.io/developer/1020558089) | [藏燃 郭](https://appshunter.io/developer/984004193) |

## What reviewers say

### AIZO RING

[App page](https://appshunter.io/ios/app/aizo-ring/id1643282888)

This app helps you track and analyze your exercise and sleep patterns using data from smart devices. It offers insights into your body's status and provides professional guidance to improve your physical condition and sleep quality.

**Highlights:** Exercise recording and data analysis, Sleep monitoring and analysis, Exercise data visualization, Professional sleep statistics, HealthKit integration for steps and calories, Personalized health guidance

**Features:** macOS Compatibility

**In-app purchases:** none


### MWorld Ring

[App page](https://appshunter.io/ios/app/mworld-ring/id6749170641)

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

**In-app purchases:** none


## Frequently asked questions

### Is AIZO RING free?

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

### Is MWorld Ring free?

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

### Do AIZO RING or MWorld Ring have ads?

Neither AIZO RING nor MWorld Ring shows ads.

### Which is updated more often, AIZO RING or MWorld Ring?

AIZO RING ships an update monthly, and MWorld Ring every 5 days. Most recently, AIZO RING was updated on September 21, 2026 and MWorld Ring on September 19, 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.*