# FITTR ONE vs CIRCUL RING

The clearest difference is review sentiment: FITTR ONE at 73% against CIRCUL RING's 13%. FITTR ONE also leads on rating (3.5 vs 2.3). CIRCUL RING's advantage is iOS requirement (13.0 vs 16.2). On price, ratings volume, update cadence and ads there is nothing between them.

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

FITTR ONE holds the better App Store score, 3.5 against 2.3. Both are backed by a comparable volume of ratings — 13 and 34 respectively. Written reviews point the same way: 73% of FITTR ONE's written reviews are positive against 13% of CIRCUL RING's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 23, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | FITTR ONE | CIRCUL RING |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (13 ratings)](https://appshunter.io/ios/app/fittr-one/id6473716474/reviews)** | [2.3 (34 ratings)](https://appshunter.io/ios/app/circul-ring/id6476754730/reviews) |
| Number of ratings | 13 | **34** |
| Positive reviews | **73.1% of reviews** | 13.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 272 MB | 106 MB |
| Requires iOS | 16.2 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [SQUATS](https://appshunter.io/developer/1281653475) | [BodiMetrics, LLC](https://appshunter.io/developer/1037690466) |

## What reviewers say

### FITTR ONE

[App page](https://appshunter.io/ios/app/fittr-one/id6473716474)

This smart ring and app combination tracks vital health metrics like sleep, heart rate, and stress. It provides personalized expert advice to help users improve their fitness and overall well-being. The system offers detailed insights into daily health performance and long-term trends.

**Highlights:** Vital health parameter monitoring, Detailed fitness metric tracking, Personalized expert advice, Sleep stage analysis, Heart rate and SpO2 tracking, Stress and skin temperature monitoring, Women's health tracking

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ✨ Sleek and comfortable design
- 📊 Impressive data tracking capabilities
- 💡 Clear and actionable insights
- 📱 User-friendly app interface
- 🔋 Long battery life

**What reviewers complain about**

- 🐛 Buggy activity tracking
- 🐛 Report generation fails
- 🐛 Syncing issues
- 🐛 App can be slow or stutter
- 🐛 Login issues

**Reported bugs**

- Activity report generation fails after workouts
- Activity tracking is inaccurate, especially during runs and gym workouts
- App has syncing issues, requires ring to be close to phone
- App randomly logs out
- Charging issues with the ring

**Requested features**

- Improve activity tracking accuracy
- Enhance integration with Apple Health
- Option to hide or remove unused app sections (e.g., Nutrition)
- Allow adding activities after they are completed
- Display activities in a list format (e.g., walking - 23 min)


### CIRCUL RING

[App page](https://appshunter.io/ios/app/circul-ring/id6476754730)

This app tracks your sleep quality, daily activity, and key health indicators. It provides personalized insights and trends to help you understand and adjust your physical state. Professional sports data recording is also included.

**Highlights:** Sleep monitoring (heart rate, stages, temperature), Daily activity tracking (heart rate, steps, calories), Health indicator trend analysis, Professional sports data recording, Personalized health tips

**In-app purchases:** none


## Frequently asked questions

### Is FITTR ONE free?

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

### Is CIRCUL RING free?

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

### Which has better reviews, FITTR ONE or CIRCUL RING?

FITTR ONE is rated higher. FITTR ONE averages 3.5 out of 5 from 13 ratings, while CIRCUL RING averages 2.3 from 34 ratings.

### Do FITTR ONE or CIRCUL RING have ads?

Neither FITTR ONE nor CIRCUL RING shows ads.

### Which is updated more often, FITTR ONE or CIRCUL RING?

FITTR ONE ships an update every 3 weeks, and CIRCUL RING every 3 weeks. Most recently, FITTR ONE was updated on September 23, 2026 and CIRCUL RING on September 21, 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.*