Best Variable Rate Apps

159+ iOS apps curated and reviewed

4.4 avg rating
18 free apps
Updated July 2026

Looking for free variable rate apps? 18 of our 159+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Variable Rate Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Welltory: Stress & Heart RateWelltory: Stress & Heart RateFree4.7★ (132K)NoYesAug 2026
2Heart Rate Monitor - Pulse HRHeart Rate Monitor - Pulse HRFree4.1★ (9K)NoYesAug 2026
3Check Heart Rate NowCheck Heart Rate NowFree4.3★ (1.8K)YesYesAug 2026
4Heart Rate Monitor - HeartInHeart Rate Monitor - HeartInFree4.6★ (8.2K)NoYesAug 2026
5HeartBit: Heart Health TrackerHeartBit: Heart Health TrackerFree4.4★ (5.9K)NoYesAug 2026
6iHeart-Pulse Rate Monitor App.iHeart-Pulse Rate Monitor App.Free4.7★ (6.9K)YesYesAug 2026
7Elite HRV: Wellness & FitnessElite HRV: Wellness & FitnessFree4.7★ (6.8K)NoYesAug 2026
8CardioBot: Heart Rate MonitorCardioBot: Heart Rate MonitorFree4.5★ (10K)NoYesAug 2026

Top Picks for Variable Rate

Welltory: Stress & Heart Rate#1

Welltory: Stress & Heart Rate by Welltory inc

HRV, Sleep, BP & O2 Monitor
Editor's Choice
💪 Health & Fitness
4.7😐(132K ratings)
FreeIn-App Purchases
#56in Health & Fitness
Welltory: Stress & Heart Rate screenshot 1
Welltory: Stress & Heart Rate screenshot 2
Welltory: Stress & Heart Rate screenshot 3
Welltory: Stress & Heart Rate screenshot 4
Welltory: Stress & Heart Rate screenshot 5
Welltory: Stress & Heart Rate screenshot 6

This app helps you understand your body's signals by analyzing heart rate variability and integrating data from over 1,000 devices and apps. It provides science-backed insights into sleep, stress, heart health, and activity to help you feel better and optimize your wellness.

What We Love

  • 👍 Helpful health insights
  • 🚀 Comprehensive data collection
  • 💡 Useful for tracking health conditions
  • 👍 Accurate measurements

Room to Improve

  • 🐛 Inconsistent or inaccurate measurements
  • 🤔 Confusing or contradictory results
  • 💰 Expensive subscription model
Heart Rate Monitor - Pulse HR#2

Heart Rate Monitor - Pulse HR by Logic Fusion, LLC

Heart Beat & Pulse Tracker App
Strong Contender
💪 Health & Fitness
4.1😞(9K ratings)
FreeIn-App Purchases
Heart Rate Monitor - Pulse HR screenshot 1
Heart Rate Monitor - Pulse HR screenshot 2
Heart Rate Monitor - Pulse HR screenshot 3
Heart Rate Monitor - Pulse HR screenshot 4
Heart Rate Monitor - Pulse HR screenshot 5
Heart Rate Monitor - Pulse HR screenshot 6

Track your heart rate using your phone's camera. Get readings in seconds, view historical data, and access guided meditations and health articles. Integrates with Apple Health and offers a home screen widget for convenience.

What We Love

  • 🚀 Quick and easy to use
  • 👍 Helpful for monitoring heart health
  • 💡 Useful for those with heart conditions

Room to Improve

  • 💰 Expensive subscription model
  • 🔒 Difficult to cancel subscription
  • 🐛 Inconsistent or inaccurate readings
Check Heart Rate Now#3

Check Heart Rate Now by Epiphany Digital Ltd.

Measure Pulse & Stress Levels
Worth Considering
💪 Health & Fitness
4.3😞(1.8K ratings)
FreeAdsIn-App Purchases
#88in Health & Fitness
Check Heart Rate Now screenshot 1
Check Heart Rate Now screenshot 2
Check Heart Rate Now screenshot 3
Check Heart Rate Now screenshot 4

Monitor your cardiovascular health with this easy-to-use app. Track your pulse in real-time, analyze heart rate variability for stress insights, and review historical trends. Integrates with Apple Watch and HealthKit for comprehensive wellness monitoring.

What We Love

  • 🚀 Accurate readings
  • 👍 User-friendly and simple
  • 💡 Helpful features like heart rate trends

Room to Improve

  • 🐛 Inaccurate readings
  • 💰 Expensive subscription
  • 🔒 Difficult to cancel subscription

More Variable Rate apps to explore

4
Heart Rate Monitor - HeartIn
Heart Rate Monitor - HeartIn
Heart Rate Monitor - HeartIn
Blood Pressure & Pulse Tracker
Free

This app uses your smartphone camera to monitor heart rate and variability, providing a heart score and stress/energy insights. It also allows logging of blood pressure and oxygen levels, and offers an AI chatbot for health queries.

Heart rate and variability measurementPersonalized heart score based on HRVHRV and pulse rate tracking
💪 Health & Fitness
(8.2K)
free with in-app purchases
5
HeartBit: Heart Health Tracker
HeartBit: Heart Health Tracker
HeartBit: Heart Health Tracker
Accurate variability monitor
Free

Monitor your heart rate, analyze stress levels, and gain valuable health insights with this comprehensive wellness tool. It offers real-time tracking, personalized tips, and detailed reports to help you understand your body and improve your well-being.

Real-time heart rate monitoringStress level analysisComprehensive health insights
💪 Health & Fitness
(5.9K)
free with in-app purchases
6
iHeart-Pulse Rate Monitor App.
iHeart-Pulse Rate Monitor App.
iHeart-Pulse Rate Monitor App.
Log body info:Smart BP Tracker
Free

Track your heart rate in real-time with visual charts. Log daily health check-ins, habits, blood pressure, and blood sugar. Develop healthier routines and monitor your activity.

Real-time heart rate trackingDaily health check-in loggingBlood pressure and sugar log
💪 Health & Fitness
(6.9K)
free with in-app purchases
7
Elite HRV: Wellness & Fitness
Elite HRV: Wellness & Fitness
Elite HRV: Wellness & Fitness
True Heart Rate Variability
Free

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.

Daily HRV & Morning Readiness ScoreAutonomic Nervous System (ANS) balance gaugeHRV Metrics (Time-domain and Frequency-domain)
💪 Health & Fitness
(6.8K)
free with in-app purchases
8
CardioBot: Heart Rate Monitor
CardioBot: Heart Rate Monitor
CardioBot: Heart Rate Monitor
Watch HRV, Vitals & Stress
Free

Monitor your heart rate and daily activities with this comprehensive health tracker. It analyzes cardiovascular health, provides smart recommendations based on AHA studies, and offers detailed stress and sleep analysis. View your data through an elegant interface with color-coded charts and timelines.

Heart rate monitoringActivity trackingCardiovascular health analysis
💪 Health & Fitness
(10K)
subscription
9
i-Heart: Heart Rate Monitor
i-Heart: Heart Rate Monitor
i-Heart: Heart Rate Monitor
blood pressure & pulse Tracker
Free

This app helps you monitor and manage your heart health by tracking heart rate, blood pressure, and pulse. It provides personalized analysis, trend charts, and daily recommendations to improve your well-being and understand your stress levels.

Personalized heart health analysisHeart rate, blood pressure, and pulse trackingVisualization and trend analysis
💪 Health & Fitness
(6.7K)
free with in-app purchases
10
Heart Rate Variability Logger
Heart Rate Variability Logger
Heart Rate Variability Logger
by A.S.M.A. B.V.
$9.99

This app records, plots, and exports heart rate variability data, including time, frequency, and non-linear features. It supports experience sampling, RR-interval correction, and activity/location tracking. Requires a compatible Bluetooth heart rate sensor.

Record and plot HRV dataExtract time and frequency domain featuresExperience sampling for event annotation
💪 Health & Fitness
(18)
paid
11
Cardi Mate: Heart Rate Monitor
Cardi Mate: Heart Rate Monitor
Cardi Mate: Heart Rate Monitor
Heartbeat & Pulse Tracker
Free

Track and record your vital signs, including heart rate and its variability, in a personal healthcare diary. Monitor changes over time with charts and gain insights into your heart health. Syncs with Apple Health for comprehensive tracking.

Personal statistics trackingPulse and blood pressure diaryHeart rate variability monitoring
💪 Health & Fitness
(49K)
subscription
12
Heart Rate Monitor
Heart Rate Monitor
Heart Rate Monitor
Heart Analyzer & Pulse Tracker
Free

This app helps you understand your body's signals by accurately measuring your heart rate, logging vital metrics like blood pressure and oxygen saturation, and providing personalized wellness assessments. It offers tools for stress management, habit tracking, and mindfulness to support a healthier, more balanced life.

Measure heart rate with iPhone cameraLog blood pressure and oxygen saturationPersonalized wellness assessments
💪 Health & Fitness
(2.2K)
freemium
13
Ensta: Energy & Health Tracker
Ensta: Energy & Health Tracker
Ensta: Energy & Health Tracker
Sleep, Stress, HRV, Heart Rate
Free

This app tracks your body's energy levels throughout the day, connecting sleep, stress, strain, and recovery into a clear picture. Observe patterns and understand how daily activities and physical metrics influence your well-being.

Energy timeline visualizationSleep duration and stages trackingHeart rate and HRV monitoring
💪 Health & Fitness
(8)
free
14
Camera Heart Rate Variability
Camera Heart Rate Variability
Camera Heart Rate Variability
by A.S.M.A. B.V.
$6.99

Measure heart rate variability using your phone's camera without external devices. Analyze time and frequency domain features to understand cardiac autonomic regulation, stress levels, and training impact.

Record and plot HRV dataExtract time and frequency domain featuresNo heart rate monitor required
💪 Health & Fitness
(8)
free
15
Athlytic: Fitness & Recovery
Athlytic: Fitness & Recovery
Athlytic: Fitness & Recovery
HRV Sleep & Training Coach
Free

This app analyzes your Apple Watch data to provide personalized insights into your recovery, exertion, and sleep. It offers daily recommendations for training, sleep targets, and bedtime, along with 24/7 health monitoring and detailed workout analysis.

HRV-based recovery analysisTargeted exertion guidancePersonalized sleep recommendations
💪 Health & Fitness
(11K)
free with in-app purchases
16
Heart Rate Monitor: PulseByte
Heart Rate Monitor: PulseByte
Heart Rate Monitor: PulseByte
pulse tracker, check hrv, bpm
Free

Track your heart rate and understand your cardiovascular health using your phone's camera and Apple Health data. Estimate heart rate variability and view health trends over time without needing extra devices. This app is not intended for medical use.

Measure heart rate with phone cameraEstimate HRVView health trends
💪 Health & Fitness
(1)
subscription
17
Heart Rate Monitor Variability
Heart Rate Monitor Variability
Heart Rate Monitor Variability
HR Variability & Pulse Checker
Free

Monitor your heart health with this app, which tracks heart rate, blood pressure, and oxygen levels. It provides in-depth insights, reports, and customizable reminders to help you manage wellness goals and understand how your lifestyle affects your heart.

Real-time heart rate trackingBlood pressure monitoring and trendsOxygen level monitoring
💪 Health & Fitness
(3)
free with in-app purchases
18
Heart Health Monitor & Tracker
Heart Health Monitor & Tracker
Heart Health Monitor & Tracker
Heart Rate & Blood Pressure
Free

Monitor your heart rate and analyze your pulse with real-time tracking and daily reports. Receive alerts for irregular heart rhythms and gain personalized insights into your cardiovascular health. Integrates with Apple Health for a comprehensive wellness profile.

Real-Time Heart Rate MonitoringDaily Heart Health ReportsArrhythmia & Irregular Rhythm Alerts
💪 Health & Fitness
(1.6K)
free with in-app purchases
19
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
20
HRV Tracker for Watch
HRV Tracker for Watch
HRV Tracker for Watch
Track Heart Rate Variability
Free
$4.99 | 100% OFF

Monitor your body's stress levels and recovery by tracking heart rate variability (HRV) using your Apple Watch. Analyze trends, compare HRV to other health metrics, and receive personalized notifications to understand how daily activities impact your well-being.

Track short-term and long-term HRV trendsCompare HRV to activity, sleep, and resting heart rateReceive HRV change notifications on Apple Watch
💪 Health & Fitness
(937)
subscription

FAQ about Variable Rate

What are the best variable rate apps for iPhone?
Welltory: Stress & Heart Rate tops our variable rate apps ranking as of July 2026, with a 4.7-star average from 132K App Store ratings, and it's free to download.
Yes — 18 of the top variable rate apps we rank are free to download, including Welltory: Stress & Heart Rate and Heart Rate Monitor - Pulse HR.
Welltory: Stress & Heart Rate has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 159+ variable rate apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Welltory analyzes your body's signals, primarily through heart rate variability (HRV), to provide science-backed insights into your sleep, stress, heart health, and activity levels. It integrates data from over 1,000 devices and apps to create a comprehensive personal health diary.
Key features include detailed sleep analysis to understand recovery, stress monitoring to identify triggers, heart health tracking including blood pressure, and activity tracking that accounts for all daily movements. It also offers personalized calming content and integrates with a wide range of health devices and apps.