# 0mg vs HRR Tracker

The clearest difference is ads: 0mg at none against HRR Tracker's shown. HRR Tracker's advantage is iOS requirement (15.1 vs 18.6). On price, 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.

## The numbers

| Metric | 0mg | HRR Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/0mg/id6754226820/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Daily | — |
| Monetization | Free | — |
| Size | 1 MB | 36 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [John Brennan](https://appshunter.io/developer/1585448167) | [Annalisa Nash](https://appshunter.io/developer/1889875816) |

## What reviewers say

### 0mg

[App page](https://appshunter.io/ios/app/0mg/id6754226820)

This app supports users in their journey to quit unhealthy habits. It provides tools to track progress and stay motivated through challenging times.

**Highlights:** Habit tracking, Progress monitoring, Motivation support, Personalized journey

**Features:** macOS Compatibility

**In-app purchases:** none


### HRR Tracker

[App page](https://appshunter.io/ios/app/hrr-tracker/id6761481549)

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

**In-app purchases:** none


## Frequently asked questions

### Is 0mg free?

0mg is free to download, with no in-app purchases.

### Is HRR Tracker free?

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

### Do 0mg or HRR Tracker have ads?

HRR Tracker shows ads; 0mg does not.

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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.*