# ECTRI vs JC Ring

The clearest difference is rating: JC Ring at 3.9 against ECTRI's 1.9. JC Ring also leads on review sentiment (46% vs 12%) and iOS requirement (12.0 vs 15.0). ECTRI's advantage is in-app purchases (none vs 2) and ratings volume (139 vs 25). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. JC Ring sells 2 in-app purchases, starting at $1.00 per month. ECTRI asks for nothing beyond the download.

JC Ring holds the better App Store score, 3.9 against 1.9. That said, the two scores are not equally well evidenced: ECTRI has 139 ratings behind it against 25, so its average is the more settled of the two. Written reviews point the same way: 12% of ECTRI's written reviews are positive against 46% of JC Ring's.

ECTRI ships an update every 11 days, JC Ring every 10 days. The most recent releases landed on September 13, 2026 and August 17, 2026 respectively.

## The numbers

| Metric | ECTRI | JC Ring |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (139 ratings)](https://appshunter.io/ios/app/ectri/id1513866809/reviews) | **[3.9 (25 ratings)](https://appshunter.io/ios/app/jc-ring/id6449987678/reviews)** |
| Number of ratings | **139** | 25 |
| Positive reviews | 11.7% of reviews | **45.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 10 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 151 MB | 326 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 12+ |
| Developer | [SHENZHEN MANRIDY TECHNOLGY,.LTD](https://appshunter.io/developer/1060492172) | [立华 赵](https://appshunter.io/developer/743608936) |

## What reviewers say

### ECTRI

[App page](https://appshunter.io/ios/app/ectri/id1513866809)

This app offers real-time, multi-faceted sports data visualization and professional health insights. It connects with various accessories and smartwatches to provide comprehensive analysis and reminders for a healthier lifestyle. Share your progress and track your growth over time.

**Highlights:** Real-time data display, Multi-faceted sports analysis, Health monitoring and reminders, Data synchronization with HealthKit, Sports data sharing, Historical data saving and review

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Comfortable and stylish ring
- ⚖️ Good value for the price
- 📊 Accurate health data tracking

**What reviewers complain about**

- 🐛 Sleep tracking issues
- 🔍 Inaccurate blood pressure and oxygen readings
- 🤯 Buggy and unreliable app
- 🔢 Lacks imperial measurement options
- 🤖 Poor customer support

**Reported bugs**

- Unable to log in or register account
- App crashes and freezes
- Disconnects from the ring frequently
- Inaccurate sleep and activity tracking

**Requested features**

- Automatic blood pressure and oxygen monitoring
- Nap and daytime sleep tracking
- Imperial measurement options
- Improved app stability and user experience


### JC Ring

[App page](https://appshunter.io/ios/app/jc-ring/id6449987678)

This app integrates with a smart ring to provide comprehensive daily health tracking. It monitors vital signs like heart rate, sleep patterns, and activity levels, presenting data in clear statistical graphs to help users achieve a balanced lifestyle.

**Highlights:** ECG/PPG Heart Monitor, Sleep Monitoring, Activity Tracking, Data Statistics, Heart Rate Range Analysis, Stress Level Monitoring

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.00 | per month |
| Annual Subscription | $9.99 | per year |


## Frequently asked questions

### Is ECTRI free?

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

### Is JC Ring free?

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

### Which has better reviews, ECTRI or JC Ring?

JC Ring is rated higher. ECTRI averages 1.9 out of 5 from 139 ratings, while JC Ring averages 3.9 from 25 ratings.

### Do ECTRI or JC Ring have ads?

Neither ECTRI nor JC Ring shows ads.

### Which is updated more often, ECTRI or JC Ring?

ECTRI ships an update every 11 days, and JC Ring every 10 days. Most recently, ECTRI was updated on September 13, 2026 and JC Ring on August 17, 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.*