# Heartbeat Harmony vs PepLedger

The clearest difference is update cadence: PepLedger at weekly against Heartbeat Harmony's monthly. Heartbeat Harmony's advantage is iOS requirement (15.0 vs 18.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Heartbeat Harmony sells 2 in-app purchases, starting at $2.99 per month and PepLedger sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Heartbeat Harmony against 5.0 for PepLedger. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Heartbeat Harmony ships an update monthly, PepLedger weekly. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Heartbeat Harmony | PepLedger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/heartbeat-harmony/id6781157513/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/pepledger-peptide-tracker/id6788460095/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Freemium | Freemium |
| Size | 36 MB | 22 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [International cardiology student network, Inc.](https://appshunter.io/developer/6781157515) | [PANAGIOTIS YIAKOUMIS](https://appshunter.io/developer/6788460097) |

## What reviewers say

### Heartbeat Harmony

[App page](https://appshunter.io/ios/app/heartbeat-harmony/id6781157513)

This app supports medical and cardiology students by integrating wellness tracking with study tools. It offers daily check-ins for habits and mood, alongside USMLE-style quizzes and progress monitoring for academic success. Connect with peers in a dedicated community feature.

**Highlights:** Daily wellness check-ins, Habit building and tracking, Mood and emotional balance monitoring, USMLE-style quizzes, Study material access, Peer community feature

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Heartbeat Harmony Premium Monthly | $2.99 | per month |
| Heartbeat Harmony Lifetime Premium | $29.99 | one-time |


### PepLedger

[App page](https://appshunter.io/ios/app/pepledger-peptide-tracker/id6788460095)

Track peptide doses, plan cycles, and monitor bloodwork with detailed logs and alerts. Features include a reconstitution calculator, inventory management, and an AI coach for research-backed insights. Integrates with Apple Health and offers customizable themes and smart reminders.

**Highlights:** Dose and cycle logging, Bloodwork and biomarker tracking, Reconstitution calculator, Inventory tracking with expiration alerts, AI Coach with cited sources, Apple Health integration, Smart dose reminders

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PepLedger Pro | $6.99 | per month |
| PepLedger Pro | $49.99 | per year |


## Frequently asked questions

### Is Heartbeat Harmony free?

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

### Is PepLedger free?

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

### Which has better reviews, Heartbeat Harmony or PepLedger?

Heartbeat Harmony and PepLedger are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.

### Do Heartbeat Harmony or PepLedger have ads?

Neither Heartbeat Harmony nor PepLedger shows ads.

### Which is updated more often, Heartbeat Harmony or PepLedger?

Heartbeat Harmony ships an update monthly, and PepLedger weekly. Most recently, Heartbeat Harmony was updated on October 15, 2026 and PepLedger 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.*