# Heartool vs Earn Your Stripes Studio

The clearest difference is rating: Earn Your Stripes Studio at 4.9 against Heartool's 3.2. Earn Your Stripes Studio also leads on update cadence (every 3 weeks vs every 4 months). Heartool's advantage is iOS requirement (12.0 vs 17.6). On price, ratings volume, 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.

Earn Your Stripes Studio holds the better App Store score, 4.9 against 3.2. Both are backed by a comparable volume of ratings — 18 and 45 respectively.

Heartool ships an update every 4 months, Earn Your Stripes Studio every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Heartool | Earn Your Stripes Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (18 ratings)](https://appshunter.io/ios/app/heartool/id1567361608/reviews) | **[4.9 (45 ratings)](https://appshunter.io/ios/app/earn-your-stripes-studio/id6483864754/reviews)** |
| Number of ratings | 18 | **45** |
| Positive reviews | 23.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 24 MB | 260 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [Shenzhen Onecoder Technology Co., Ltd.](https://appshunter.io/developer/1131107345) | [Earn Your Stripes](https://appshunter.io/developer/1696524118) |

## What reviewers say

### Heartool

[App page](https://appshunter.io/ios/app/heartool/id1567361608)

Transform your phone into a fitness tracker to monitor workouts with live heart rate data. Analyze training progress with professional charts and gain insights into your health and cardio condition. Integrates with wearable devices and Apple Health.

**Highlights:** Live heart rate tracking, HRV biofeedback, Cardio health analysis, Workout progress charts, Calorie burned tracking, Health data synchronization

**In-app purchases:** none


### Earn Your Stripes Studio

[App page](https://appshunter.io/ios/app/earn-your-stripes-studio/id6483864754)

This app uses a military-inspired gamification system to track fitness progress and earn ranks. It rewards effort with performance points and offers real-time workout data, including heart rate and calories burned. Users can also participate in challenges and compete on studio leaderboards.

**Highlights:** Military-inspired rank structure, Performance point system, Real-time workout data, Heart rate tracking, Challenges and awards, Studio leaderboards, Apple Watch integration

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Heartool free?

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

### Is Earn Your Stripes Studio free?

Earn Your Stripes Studio is free to download, with no in-app purchases.

### Which has better reviews, Heartool or Earn Your Stripes Studio?

Earn Your Stripes Studio is rated higher. Heartool averages 3.2 out of 5 from 18 ratings, while Earn Your Stripes Studio averages 4.9 from 45 ratings.

### Do Heartool or Earn Your Stripes Studio have ads?

Neither Heartool nor Earn Your Stripes Studio shows ads.

### Which is updated more often, Heartool or Earn Your Stripes Studio?

Heartool ships an update every 4 months, and Earn Your Stripes Studio every 3 weeks. Most recently, Heartool was updated on October 24, 2026 and Earn Your Stripes Studio on October 24, 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.*