# S vs HealthGrid

The clearest difference is in-app purchases: S at none against HealthGrid's 1. S also leads on update cadence (every 4 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. HealthGrid sells 1 one-off in-app purchase. S asks for nothing beyond the download.

S ships an update every 4 weeks, HealthGrid every 2 months. The most recent releases landed on October 4, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | S | HealthGrid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/s-patch-ex/id1560917681/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 39 MB | 22 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Wellysis Corp.](https://appshunter.io/developer/1493160661) | [Il Gu Yi](https://appshunter.io/developer/1883110506) |

## What reviewers say

### S

[App page](https://appshunter.io/ios/app/s-patch-ex/id1560917681)

This app works with a wearable ECG device to display real-time heart activity and rate. Users can log symptoms and activities in a diary and securely share data with healthcare professionals for informational purposes.

**Highlights:** Connects to S-Patch wearable device, Real-time ECG signal display, Continuous heart rate calculation, Symptom and activity logging diary, Secure cloud data upload, Bluetooth disconnection alerts

**Features:** macOS Compatibility

**In-app purchases:** none


### HealthGrid

[App page](https://appshunter.io/ios/app/healthgrid/id6760194925)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HealthGrid Pro | $1.99 | one-time |


## Frequently asked questions

### Is S free?

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

### Is HealthGrid free?

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

### Do S or HealthGrid have ads?

Neither S nor HealthGrid shows ads.

### Which is updated more often, S or HealthGrid?

S ships an update every 4 weeks, and HealthGrid every 2 months. Most recently, S was updated on October 4, 2026 and HealthGrid 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.*