Comparison

FITIV Pulse vs Rhythm SYNC.

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

FITIV Pulse

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.

Highlights
  • Heart rate zone training
  • HRV and recovery tracking
  • Sleep monitoring
  • Workout tracking for various activities
  • Strength training log
  • Advanced performance metrics
Features
Read full description

TRAIN. RECOVER. ACHIEVE. FITIV is the all-in-one workout and health tracker that helps you train smarter with heart rate zones, HRV, sleep, recovery, strength, and GLP-1 weight tracking. Track workouts, heart rate, calories, recovery, sleep, stress, training load, and strength training in one powerful performance app for Apple Watch, Bluetooth heart rate monitors, Fitbit Air, Garmin watches, WHOOP, Oura, AirPods Pro (3rd generation), and Powerbeats Pro 2. HEART RATE MONITOR & ZONE TRAINING Train with precision using real-time heart rate tracking, heart rate zones, and live workout feedback. • Live heart rate monitoring during workouts • Heart rate zone tracking for cardio, endurance, and interval training • HRV tracking and resting heart rate insights • Track live heart rate with supported AirPods Pro (3rd generation) and Powerbeats Pro 2 • Support for Bluetooth heart rate monitors, including the Fitbit Air • Broadcast heart rate to Peloton, Zwift, Concept2, and compatible gym equipment • Live coaching with real-time voice feedback during workouts WEIGHT & GLP-1 MEDICATION TRACKING Lose the weight, not the muscle. Experts recommend strength training while on GLP-1 medications, and FITIV is built to track both. • Log doses for Zepbound, Mounjaro, Tirzepatide, Ozempic, Wegovy, Semaglutide and pills like Rybelsus, oral Wegovy, and Foundayo • Dose reminders, titration schedules, and estimated medication levels • Daily side effect check-ins to spot patterns • Weight trend and goals, with progress per medication RECOVERY, SLEEP & READINESS Recovery drives performance. FITIV helps you understand when to push and when to recover. • Sleep tracking with overnight metrics and vitals • HRV tracking and recovery insights • Stress tracking and daily strain monitoring • Training readiness, recovery score, and recovery trends • Training load balanced with recovery WORKOUT TRACKING FOR EVERY WAY YOU TRAIN Track your workouts in one app, whether you train for health, fitness, performance, or weight loss. • Workout tracking for cardio, gym, intervals, and endurance sessions • HIIT timer and interval workout support • GPS workout maps with pace and heart rate overlays • Advanced workout metrics, including training load and VO2 • Live streaming workout data from Apple Watch to iPhone STRENGTH TRAINING & GYM LOG Track your lifting alongside your recovery and performance data. • Log reps, sets, weight, and training volume • Track personal records and strength progress • Monitor progressive overload trends • Build structured gym workouts • Track barbell, dumbbell, machine, and bodyweight exercises ADVANCED PERFORMANCE & HEALTH METRICS • Training load tracking with TRIMP, TSS, and active calorie-based load • Advanced running metrics, including stride length, running power, and vertical oscillation • Overnight vitals and in-depth sleep tracking • Health metrics dashboard for heart rate, sleep, stress, recovery, and more COMPATIBLE DEVICES & INTEGRATIONS • Apple Watch and iPhone • Garmin watches • Bluetooth heart rate monitors, including Fitbit Air, Polar, Scosche, COOSPO, Myzone, and more • AirPods Pro (3rd generation) and Powerbeats Pro 2 • WHOOP, Oura, and other connected fitness platforms • MyFitnessPal, Strava, TrainingPeaks, Lose It!, Peloton, Zwift, and Spotify • Support for widgets, complications, Live Activities, and Dynamic Island Upgrade to FITIV Pro to unlock advanced recovery analytics, training readiness, deeper metrics, and structured workout features. SUBSCRIPTION & TERMS FITIV Pro offers monthly and yearly auto-renewing subscriptions, charged to your Apple ID. Cancel anytime in your Apple ID settings at least 24 hours before renewal. Terms of Service: https://fitiv.com/terms-conditions Privacy Policy: https://fitiv.com/privacy-policy

About

Rhythm SYNC.

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
Read full description

The award-winning Rhythm Heart Rate Monitors use patented technology to capture exceptionally accurate performance in both wet and dry conditions. This Scosche Rhythm Sync app: · Connects to Rhythm 24 and Rhythm+ Heart Rate Monitors · Manages Rhythm 24 activity modes and biometrics functionality: Heart Rate Only, Running, Cycling, Swimming, Heart Rate Variability, Duathlon, and Triathlon · Displays heart rate data from your Rhythm Monitors · Displays Rhythm battery level · Configures sharing with compatible heart rate tracking apps, fitness watches, bike computers, and fitness equipment, to stream your fitness-data in real time, track heart rate history, and more! · Collects Rhythm 24 recorded activities and has download capabilities · Allows for Rhythm Heart Rate Monitors software and firmware updates · HealthKit integration which allows you save workout data recorded on the sensor.

Screenshots

FITIV Pulse4 screens
Rhythm SYNC.4 screens

Verdict

The call

The clearest difference is review sentiment: FITIV Pulse at 76% against Rhythm SYNC.'s 13%. FITIV Pulse also leads on rating (4.6 vs 1.8) and ratings volume (13K vs 128). Rhythm SYNC.'s advantage is in-app purchases (none vs 10) and iOS requirement (12.0 vs 17.0). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. FITIV Pulse sells 9 in-app purchases, starting at $1.99 per month. Rhythm SYNC. asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

FITIV Pulse holds the better App Store score, 4.6 against 1.8. That said, the two scores are not equally well evidenced: FITIV Pulse has 13K ratings behind it against 128, so its average is the more settled of the two. Written reviews point the same way: 76% of FITIV Pulse's written reviews are positive against 13% of Rhythm SYNC.'s.

UpkeepUpdate frequency

FITIV Pulse ships an update fortnightly, Rhythm SYNC. every 3 months. The most recent releases landed on September 25, 2026 and September 3, 2026 respectively.

Scorecard7 real differences · 3 level
FITIV Pulse versus Rhythm SYNC.: the parameters behind the verdict, then further details
ParameterFITIV PulseRhythm SYNC.
PriceFreeFree
Rating4.6 (13K ratings) — better1.8 (128 ratings)
Positive reviews75.5% of reviews — better13.1% of reviews
Number of ratings13K — better128
Update frequencyFortnightly — betterEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS17.012.0 — better
Further details — not scored
Size466 MB47 MB
Age rating12+4+
DeveloperMotiFIT Fitness Inc.Scosche

Customer experience

FITIV Pulse

All ratings12,663 ratings
Positive90.4%
Neutral3.0%
Negative6.5%
Written reviews1,528 reviews
Positive75.5%
Neutral7.2%
Negative17.3%

Rhythm SYNC.

All ratings128 ratings
Positive16.4%
Neutral1.6%
Negative82.0%
Written reviews99 reviews
Positive13.1%
Neutral1.0%
Negative85.9%

User reviews

FITIV Pulse

From 13K App Store ratings

What we love

  • 🚀 Awesome app!
  • 👍 Great tool for tracking levels of exertion during training
  • 👍 Keeps you motivated and able to track progress easily
  • 👍 Flawless Apple Watch integration
  • 👍 Comprehensive metrics and data analysis

Room to improve

  • 🐛 Frequent disconnects from Apple Watch
  • 🐛 Inaccurate calorie tracking
  • 🐛 Buggy GPS tracking and mapping
  • 🐛 Inconsistent syncing and data loss issues
  • 🐛 Intrusive and frequent review prompts

Rhythm SYNC.

From 128 App Store ratings

What we love

  • ✅ 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)

Room to improve

  • 🐛 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

Bugs and requests

FITIV Pulse

Reported bugs

5 issues
  • Frequent disconnects from Apple Watch during workouts
  • Inaccurate calorie tracking and data reporting
  • Issues with GPS tracking and mapping, including incorrect distance and route recording
  • Syncing problems leading to data loss and inconsistencies
  • Crashes and performance issues following recent app updates

Requested features

8 requests
  • Add support for more workout types (e.g. rowing, CrossFit)
  • Improve customization options for workouts and data displays
  • Implement a more robust and reliable GPS tracking system
  • Add the ability to edit workout details and duration
  • Improve syncing and data integration with other fitness apps
Show 3 more
  • Provide more detailed sleep and recovery tracking
  • Implement a more intuitive and streamlined user interface
  • Reduce the frequency and intrusiveness of review prompts

Rhythm SYNC.

Reported bugs

17 issues
  • 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
Show 12 more
  • Custom heart rate zones not applied to recordings
  • Battery level shows as zero or incorrect
  • Settings menu items non-functional or unresponsive
  • App loses connection when device syncs with other apps
  • Data disappears when monitor disconnects
  • Export to CSV ignores custom zones
  • App crashes when attempting to share workout data
  • Last mode setting not remembered between sessions
  • Unable to modify personal details (height, weight, birthday)
  • Incompatibility with iPhone X and newer models
  • Firmware update window won't open
  • App incompatible with iOS 11 and newer versions

Requested features

12 requests
  • 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
Show 7 more
  • Auto-sync feature when device is detected
  • Detailed analytics and charts
  • Better user profile settings (height, weight, age)
  • Dark mode option
  • Improved troubleshooting and help documentation
  • Ability to delete saved connections to health apps
  • Support for multiple languages in documentation

In-app purchases

9 purchases

FITIV Pulse

Subscriptions7
  • FITIV (1 Month)$1.991 Month
  • FITIV$4.991 Month
  • FITIV2 variants$9.991 Year
Show 4 more
  • FITIV Pro Monthly$9.991 Month
  • FITIV7 Days trial$29.991 Year
  • FITIV1 Year trial$29.991 Year
  • FITIV Pro Yearly7 Days trial$59.991 Year
One-time2
  • PRO Membership$4.99
  • PRO Membership$9.99
None

Rhythm SYNC.

No in-app purchases

Questions

Is FITIV Pulse free?
FITIV Pulse is free to download, with in-app purchases available.
Is Rhythm SYNC. free?
Rhythm SYNC. is free to download, with no in-app purchases.
Which has better reviews, FITIV Pulse or Rhythm SYNC.?
FITIV Pulse is rated higher. FITIV Pulse averages 4.6 out of 5 from 13K ratings, while Rhythm SYNC. averages 1.8 from 128 ratings.
Do FITIV Pulse or Rhythm SYNC. have ads?
Neither FITIV Pulse nor Rhythm SYNC. shows ads.
Which is updated more often, FITIV Pulse or Rhythm SYNC.?
FITIV Pulse ships an update fortnightly, and Rhythm SYNC. every 3 months. Most recently, FITIV Pulse was updated on September 25, 2026 and Rhythm SYNC. on September 3, 2026.

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