# Rhythm SYNC. vs HeartsHome

The clearest difference is rating: HeartsHome at 4.2 against Rhythm SYNC.'s 1.8. Rhythm SYNC.'s advantage is update cadence (every 3 months vs every 11 months) and ratings volume (130 vs 5). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HeartsHome holds the better App Store score, 4.2 against 1.8. That said, the two scores are not equally well evidenced: Rhythm SYNC. has 130 ratings behind it against 5, so its average is the more settled of the two. Written reviews complicate that: 13% of Rhythm SYNC.'s written reviews are positive against 0% of HeartsHome's, so the app with the better star average is not the one people write more warmly about.

Rhythm SYNC. ships an update every 3 months, HeartsHome every 11 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Rhythm SYNC. | HeartsHome |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (130 ratings)](https://appshunter.io/ios/app/rhythm-sync/id1226606963/reviews) | **[4.2 (5 ratings)](https://appshunter.io/ios/app/heartshome/id6642648553/reviews)** |
| Number of ratings | **130** | 5 |
| Positive reviews | **13.1% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 11 months |
| Monetization | Free | Free |
| Size | 47 MB | 731 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Scosche](https://appshunter.io/developer/340018842) | [Hearts Bio Inc.](https://appshunter.io/developer/1510266272) |

## What reviewers say

### Rhythm SYNC.

[App page](https://appshunter.io/ios/app/rhythm-sync/id1226606963)

This app connects to heart rate monitors to display real-time data, manage activity modes, and track workout history. It allows for software updates and integrates with HealthKit for saving workout data.

**Highlights:** Connects to Rhythm 24 and Rhythm+ monitors, Manages activity modes and biometrics, Displays heart rate and battery level, Configures data sharing with other apps, Collects and downloads recorded activities, Performs software and firmware updates, HealthKit integration

**In-app purchases:** none

**What reviewers like**

- ✅ Accurate heart rate readings
- 🔋 Long-lasting device battery life
- 🔄 Reliable device hardware
- 📱 Simple and straightforward interface
- 🔗 Works well with third-party apps (Peloton, Garmin, Apple Watch)

**What reviewers complain about**

- 🐛 Frequent Bluetooth connection failures
- 🐛 App crashes and freezes regularly
- ❌ App doesn't recognize connected devices
- ⚠️ HRV mode difficult or impossible to access
- 📊 Extremely limited app functionality

**Reported bugs**

- App fails to detect device despite Bluetooth connection
- Bluetooth connection drops frequently during workouts
- App crashes on startup (splash screen freeze)
- Firmware update fails repeatedly
- HRV readings not displaying or accessible

**Requested features**

- HRV (Heart Rate Variability) mode that actually works
- Comprehensive workout history and logging
- Data export to multiple health apps (MyFitnessPal, TrainingPeaks, etc.)
- Customizable heart rate zones that persist
- Batch download and export of multiple files


### HeartsHome

[App page](https://appshunter.io/ios/app/heartshome/id6642648553)

This application connects to Bluetooth devices to track key health metrics. It monitors levels for cholesterol, lactate, glucose, ketone, and uric acid, supporting a healthy lifestyle.

**Highlights:** Bluetooth connectivity, Health data tracking, Cholesterol monitoring, Glucose monitoring, Ketone monitoring, Uric acid monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rhythm SYNC. free?

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

### Is HeartsHome free?

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

### Which has better reviews, Rhythm SYNC. or HeartsHome?

HeartsHome is rated higher. Rhythm SYNC. averages 1.8 out of 5 from 130 ratings, while HeartsHome averages 4.2 from 5 ratings.

### Do Rhythm SYNC. or HeartsHome have ads?

Neither Rhythm SYNC. nor HeartsHome shows ads.

### Which is updated more often, Rhythm SYNC. or HeartsHome?

Rhythm SYNC. ships an update every 3 months, and HeartsHome every 11 months. Most recently, Rhythm SYNC. was updated on October 24, 2026 and HeartsHome 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.*