# S vs Nightloop

The clearest difference is device support: S at 3 against Nightloop's 1. S also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

S ships an update every 4 weeks, Nightloop monthly. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | S | Nightloop |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Monthly |
| Monetization | Free | — |
| Size | 39 MB | 63 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Wellysis Corp.](https://appshunter.io/developer/1493160661) | [COME CLEMENT GUILLAUME DELAMARE](https://appshunter.io/developer/6791605699) |

## 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


### Nightloop

[App page](https://appshunter.io/ios/app/nightloop-maximize-your-sleep/id6791605697)

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

**In-app purchases:** none


## Frequently asked questions

### Is S free?

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

### Is Nightloop free?

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

### Do S or Nightloop have ads?

Neither S nor Nightloop shows ads.

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

S ships an update every 4 weeks, and Nightloop monthly. Most recently, S was updated on October 4, 2026 and Nightloop on October 14, 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.*