# CIRCUL+ vs AIZO RING

CIRCUL+ and AIZO RING both sit at 3.3 stars, but that hides the real split: 24% of CIRCUL+'s written reviews are positive against 7% of AIZO RING's. 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.

CIRCUL+ holds the better App Store score, 3.3 against 3.1. Both are backed by a comparable volume of ratings — 36 and 44 respectively. Written reviews point the same way: 24% of CIRCUL+'s written reviews are positive against 7% of AIZO RING's.

CIRCUL+ ships an update every 5 weeks, AIZO RING monthly. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | CIRCUL+ | AIZO RING |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (36 ratings)](https://appshunter.io/ios/app/circul-plus/id1493479787/reviews)** | [3.1 (44 ratings)](https://appshunter.io/ios/app/aizo-ring/id1643282888/reviews) |
| Number of ratings | 36 | **44** |
| Positive reviews | **23.5% of reviews** | 6.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free | Free |
| Size | 157 MB | 147 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [BodiMetrics, LLC](https://appshunter.io/developer/1037690466) | [Shenzhen eIoT Technology Co., Ltd.](https://appshunter.io/developer/1020558089) |

## What reviewers say

### CIRCUL+

[App page](https://appshunter.io/ios/app/circul-plus/id1493479787)

This utility app connects to a wearable device to monitor vital health metrics like oxygen saturation, heart rate, and sleep patterns. It generates health reports and syncs data with Apple Health, offering insights into your well-being.

**Highlights:** Bluetooth connectivity, Daily, operation, and sleep monitoring, Blood pressure monitoring (latest ring), Health data synchronization with Apple Health, Step counting integration, Health report generation

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is CIRCUL+ free?

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

### Is AIZO RING free?

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

### Which has better reviews, CIRCUL+ or AIZO RING?

CIRCUL+ is rated higher. CIRCUL+ averages 3.3 out of 5 from 36 ratings, while AIZO RING averages 3.1 from 44 ratings.

### Do CIRCUL+ or AIZO RING have ads?

Neither CIRCUL+ nor AIZO RING shows ads.

### Which is updated more often, CIRCUL+ or AIZO RING?

CIRCUL+ ships an update every 5 weeks, and AIZO RING monthly. Most recently, CIRCUL+ was updated on October 2, 2026 and AIZO RING on October 8, 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.*