# Uncross vs Rolling Heart

The clearest difference is rating: Uncross at 5.0 against Rolling Heart's 3.0. Uncross also leads on in-app purchases (none vs 1). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Rolling Heart sells 1 one-off in-app purchase. Uncross asks for nothing beyond the download.

Uncross holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

## The numbers

| Metric | Uncross | Rolling Heart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/uncross/id6762301585/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/rolling-heart/id6781284102/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 97 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Jae Hyun Song](https://appshunter.io/developer/1891826528) | [BRENT ANDREW CHUA](https://appshunter.io/developer/6781284104) |

## What reviewers say

### Uncross

[App page](https://appshunter.io/ios/app/uncross/id6762301585)

This app helps you break the habit of crossing your legs, a common cause of poor posture. It uses your Apple Watch to monitor movement and send gentle reminders, allowing you to track your progress and build better sitting habits over time.

**Highlights:** Apple Watch motion detection, Gentle, randomized reminders, Daily sitting habit dashboard, Streak tracking for motivation, Weekly and monthly progress charts, Customizable quiet hours, Watch face complication for streak visibility, Data export to CSV

**Features:** Apple Watch app

**In-app purchases:** none


### Rolling Heart

[App page](https://appshunter.io/ios/app/rolling-heart/id6781284102)

Track your heart rate and wellness patterns with glanceable views on iPhone and Apple Watch. Explore Heart Flow, Heart Load, and Recovery Reserve with personalized ranges and customizable graphs. Offers both free and premium features for detailed health insights.

**Highlights:** Glanceable heart rate views, Heart Flow and Heart Load tracking, Personalized heart rate ranges, Customizable graph appearance, Apple Watch complications, Offline Rolling Heart Guide

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rolling Heart Lifetime Premium | $7.99 | one-time |


## Frequently asked questions

### Is Uncross free?

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

### Is Rolling Heart free?

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

### Which has better reviews, Uncross or Rolling Heart?

Uncross is rated higher. Uncross averages 5.0 out of 5 from 1 ratings, while Rolling Heart averages 3.0 from 2 ratings.

### Do Uncross or Rolling Heart have ads?

Neither Uncross nor Rolling Heart shows ads.

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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.*