# Layers Watch vs NTRL

The clearest difference is update cadence: NTRL at every 9 days against Layers Watch's every 3 weeks. Layers Watch's advantage is iOS requirement (13 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

Layers Watch ships an update every 3 weeks, NTRL every 9 days. The most recent releases landed on October 21, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Layers Watch | NTRL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.8 (8 ratings)](https://appshunter.io/ios/app/layers-watch/id6711347628/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 45.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Free | — |
| Size | 118 MB | 44 MB |
| Requires iOS | **13** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Layers Electronics Private Limited](https://appshunter.io/developer/1770034440) | [Tintu Vasudevan](https://appshunter.io/developer/6787671452) |

## What reviewers say

### Layers Watch

[App page](https://appshunter.io/ios/app/layers-watch/id6711347628)

This app helps you monitor and analyze your daily physical activity. It integrates with HealthKit to display your health data, providing personal reference insights. It is not intended for medical diagnosis or treatment.

**Highlights:** Daily activity analysis, HealthKit data integration, Personal reference insights, Activity tracking

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

**In-app purchases:** none


### NTRL

[App page](https://appshunter.io/ios/app/ntrl/id6787671450)

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

**In-app purchases:** none


## Frequently asked questions

### Is Layers Watch free?

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

### Is NTRL free?

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

### Do Layers Watch or NTRL have ads?

Neither Layers Watch nor NTRL shows ads.

### Which is updated more often, Layers Watch or NTRL?

Layers Watch ships an update every 3 weeks, and NTRL every 9 days. Most recently, Layers Watch was updated on October 21, 2026 and NTRL 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.*