# Zero vs Root

The clearest difference is in-app purchases: Root at none against Zero's 3. Root also leads on update cadence (weekly vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Zero sells 3 in-app purchases, starting at $1.99 per month. Root asks for nothing beyond the download.

Zero ships an update every 3 weeks, Root weekly. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Zero | Root |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zero-rush/id6753113382/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Freemium | — |
| Size | 10 MB | 8 MB |
| Requires iOS | 18.5 | **17.6** |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Carlos Adiel Vega Lopez](https://appshunter.io/developer/1842567782) | [Chen Hao](https://appshunter.io/developer/946725262) |

## What reviewers say

### Zero

[App page](https://appshunter.io/ios/app/zero-rush/id6753113382)

This app helps you manage stress by combining guided breathing exercises with real-time biometric data from your Apple Watch. It provides insights into your stress patterns and helps you schedule recovery moments to build resilience.

**Highlights:** Guided breathing exercises, Real-time biometric tracking (RHR, HRV), Stress pattern analysis, Scheduled mindful breaks, Relaxation validation, Local data storage

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access – Monthly | $1.99 | per month |
| All Access – Yearly | $19.99 | per year |
| Lifetime All Access | $89.99 | one-time |


### Root

[App page](https://appshunter.io/ios/app/root-sleep-and-recovery-tracker/id6766839488)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zero free?

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

### Is Root free?

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

### Do Zero or Root have ads?

Neither Zero nor Root shows ads.

### Which is updated more often, Zero or Root?

Zero ships an update every 3 weeks, and Root weekly. Most recently, Zero was updated on October 16, 2026 and Root on October 7, 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.*