# STIMULUS vs SHR Ring

STIMULUS and SHR Ring are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | STIMULUS | SHR Ring |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.5 (2 ratings)](https://appshunter.io/ios/app/shr-ring/id6743309439/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Free |
| Size | 59 MB | 93 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TeamUp Sports](https://appshunter.io/developer/1449504626) | [孝文 林](https://appshunter.io/developer/1864249491) |

## What reviewers say

### STIMULUS

[App page](https://appshunter.io/ios/app/stimulus/id6501978471)

**Features:** macOS Compatibility

**In-app purchases:** none


### SHR Ring

[App page](https://appshunter.io/ios/app/shr-ring/id6743309439)

Monitor your sleep stages, track daily activities, and optimize your fitness with this companion app for a smart ring. It provides insights into sleep quality, calorie burn, and activity levels, with GPS tracking for outdoor workouts.

**Highlights:** Sleep stage analysis, Daily activity monitoring, GPS workout tracking, Calorie burn tracking, Sleep quality improvement

**In-app purchases:** none


## Frequently asked questions

### Is STIMULUS free?

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

### Is SHR Ring free?

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

### Do STIMULUS or SHR Ring have ads?

Neither STIMULUS nor SHR Ring shows ads.

### Which is updated more often, STIMULUS or SHR Ring?

STIMULUS ships an update every 2 months, and SHR Ring every 2 months. Most recently, STIMULUS was updated on October 6, 2026 and SHR Ring on October 5, 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.*