Best apps like Rhythm SYNC.

10+ similar apps compared and reviewed

4.3 avg rating
9 free apps
Updated July 2026

Looking for something like Rhythm SYNC.? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

simply. nutrition tips

simply. nutrition tips by simply advisory LLC

that help you get healthy.
💪 Health & Fitness
5.0(17 ratings)
FreeIn-App Purchases
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Get daily nutrition tips from certified nutritionists with a subscription to this app, and start your journey to a healthier lifestyle. With features like customizable notifications, saved tips, and a tip tracker, you can easily incorporate healthy habits into your daily life.

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Top Alternatives to Rhythm SYNC.

iCardio Workout Tracker#1

iCardio Workout Tracker by Fitdigits Inc

Do heart rate training right!
Editor's Choice
💪 Health & Fitness
4.8😊(3.4K ratings)
FreeAdsIn-App Purchases
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This app helps you train smarter by using your heart rate data. It tracks workouts, provides real-time feedback, and integrates with wearables and Apple Health to offer insights into your performance and progress.

What We Love

  • 👍 Great app
  • 🚀 Accurate tracking
  • 💡 Customizable screens
  • 🚀 Reliable connection

Room to Improve

  • 🐛 Crashes and sync issues
  • 🔋 Battery drain
  • 🔒 Subscription model
Elite HRV: Wellness & Fitness#2

Elite HRV: Wellness & Fitness by Elite HRV Inc

True Heart Rate Variability
Strong Contender
💪 Health & Fitness
4.7(6.3K ratings)
FreeAdsIn-App Purchases
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Monitor your stress, recovery, and well-being with this heart rate variability (HRV) tracking app. It helps prevent burnout, optimize training, and reduce stress by providing insights into your autonomic nervous system balance. Achieve better sleep, build resilience, and objectively measure progress toward your wellness goals.

Morpheus Training#3

Morpheus Training by Morpheus Labs INC

Worth Considering
💪 Health & Fitness
3.9(167 ratings)
Free
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This app optimizes cardio training and recovery by providing personalized heart rate zones and weekly targets. It uses HRV data to guide intensity and volume, helping users improve fitness and conditioning with zone-based interval training.

More apps like Rhythm SYNC.

4
HRV4Training
HRV4Training
HRV4Training
by A.S.M.A. B.V.
$9.99

Quantify stress, balance training and lifestyle, and improve performance with scientifically validated heart rate variability insights. This app accurately assesses HRV using your phone's camera or compatible devices, offering actionable interpretations for optimizing your training plan.

HRV-based stress quantificationTraining and lifestyle balancePerformance improvement insights
💪 Health & Fitness
(286)
paid
5
FITIV Pulse - Workout Tracker
FITIV Pulse - Workout Tracker
FITIV Pulse - Workout Tracker
GLP-1, HRV, Heart Rate Zones
Free

This app is a comprehensive health and fitness tracker that monitors workouts, heart rate, sleep, and recovery. It provides actionable insights to help users train smarter and achieve their fitness goals.

Heart rate zone trainingHRV and recovery trackingSleep monitoring
💪 Health & Fitness
(13K)
free with in-app purchases
6
Echo: Watch Heart Rate Monitor
Echo: Watch Heart Rate Monitor
Echo: Watch Heart Rate Monitor
Use Apple Watch for Gym & Apps
Free

This app transforms your Apple Watch into a Bluetooth heart rate monitor. It broadcasts your heart rate to various gym equipment and popular fitness applications, eliminating the need for a chest strap. Train effectively with real-time effort tracking and personalized heart rate zones.

Use Apple Watch as a Bluetooth heart rate monitorBroadcast heart rate to gym equipmentConnect to fitness apps like Zwift and Peloton
💪 Health & Fitness
(3.6K)
freemium
7
Heartool
Heartool
Heartool
by Shenzhen Onecoder Technology Co., Ltd.
Free

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.

Live heart rate trackingHRV biofeedbackCardio health analysis
💪 Health & Fitness
(14)
free
8
Kubios HRV - Daily Readiness
Kubios HRV - Daily Readiness
Kubios HRV - Daily Readiness
Heart rate variability
Free

This app uses heart rate variability (HRV) to provide insights into your daily readiness and physiological stress. It requires a compatible Bluetooth heart rate sensor for measurements. Offers modes for personal readiness monitoring and advanced research recordings.

Daily readiness monitoringCustom HRV recordingsScientifically validated algorithms
💪 Health & Fitness
(146)
free
9
Spren Body Composition Scanner
Spren Body Composition Scanner
Spren Body Composition Scanner
Measure Body Fat Percentage
Free

This app uses your smartphone to measure body fat percentage, BMI, and body composition. It provides detailed health reports, tracks weight loss, and offers personalized nutrition plans, acting as a smart scale alternative with research-grade analysis.

Body fat percentage measurementBMI calculatorBody composition analysis
💪 Health & Fitness
(1.5K)
free with in-app purchases
10
Heart Graph
Heart Graph
Heart Graph
by Smoky Cat Software Ltd.
Free

Track your heart rate in real-time and analyze trends over time. Understand your body's response to training and general health with detailed graphs and statistics. Import data from Apple Health for a comprehensive view of your fitness journey.

Real-time heart rate graphingApple Health integrationSession comparison and statistics
💪 Health & Fitness
(1.2K)
free with in-app purchases