# CIRCUL RING vs SodiumWise

The clearest difference is in-app purchases: CIRCUL RING at none against SodiumWise's 2. CIRCUL RING also leads on iOS requirement (13.0 vs 17.0). SodiumWise's advantage is update cadence (daily vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. SodiumWise sells 2 in-app purchases, starting at $7.99 per month. CIRCUL RING asks for nothing beyond the download.

CIRCUL RING ships an update every 3 weeks, SodiumWise daily. The most recent releases landed on October 24, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | CIRCUL RING | SodiumWise |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (36 ratings)](https://appshunter.io/ios/app/circul-ring/id6476754730/reviews)** | — |
| Number of ratings | **36** | — |
| Positive reviews | 12.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free | — |
| Size | 106 MB | 18 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [BodiMetrics, LLC](https://appshunter.io/developer/1037690466) | [2BLUE CAPITAL, LLC](https://appshunter.io/developer/1880145332) |

## What reviewers say

### 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


### SodiumWise

[App page](https://appshunter.io/ios/app/sodiumwise-ai-salt-scanner/id6782220849)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SodiumWise Pro Monthly | $7.99 | per month |
| SodiumWise Pro Annual | $39.99 | per year |


## Frequently asked questions

### Is CIRCUL RING free?

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

### Is SodiumWise free?

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

### Do CIRCUL RING or SodiumWise have ads?

Neither CIRCUL RING nor SodiumWise shows ads.

### Which is updated more often, CIRCUL RING or SodiumWise?

CIRCUL RING ships an update every 3 weeks, and SodiumWise daily. Most recently, CIRCUL RING was updated on October 24, 2026 and SodiumWise on October 4, 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.*