# FITIV Pulse vs Rhythm SYNC.

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.

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.

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.

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.

## The numbers

| Metric | FITIV Pulse | Rhythm SYNC. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (13K ratings)](https://appshunter.io/ios/app/fitiv-pulse-workout-tracker/id942494517/reviews)** | [1.8 (128 ratings)](https://appshunter.io/ios/app/rhythm-sync/id1226606963/reviews) |
| Number of ratings | **13K** | 128 |
| Positive reviews | **75.5% of reviews** | 13.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 466 MB | 47 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [MotiFIT Fitness Inc.](https://appshunter.io/developer/312613577) | [Scosche](https://appshunter.io/developer/340018842) |

## What reviewers say

### FITIV Pulse

[App page](https://appshunter.io/ios/app/fitiv-pulse-workout-tracker/id942494517)

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:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FITIV (1 Month) | $1.99 | per month |
| FITIV | $4.99 | per month |
| FITIV | $9.99 | per year |
| FITIV Pro Monthly | $9.99 | per month |
| FITIV | $29.99 | per year |
| FITIV | $29.99 | per year |
| FITIV Pro Yearly | $59.99 | per year |
| PRO Membership | $4.99 | one-time |
| PRO Membership | $9.99 | one-time |

**What reviewers like**

- 🚀 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

**What reviewers complain about**

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

**Reported bugs**

- 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**

- 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


### 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


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*