FITTR HART

FITTR HART

The Smarter Fitness Solution

12 ratings
56 reviews
Free

Details

  • Released
  • Updated
  • February 8, 2024
  • July 9, 2026

Features

FITTR HART screenshot #1 for iPhone
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FITTR HART screenshot #8 for iPhone
FITTR HART screenshot #9 for iPhone
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About

This smart ring and app combination tracks vital health metrics like sleep, heart rate, and stress. It provides personalized expert advice to help users improve their fitness and overall well-being. The system offers detailed insights into daily health performance and long-term trends.

Vital health parameter monitoring
Detailed fitness metric tracking
Personalized expert advice
Sleep stage analysis
Heart rate and SpO2 tracking
Stress and skin temperature monitoring
Women's health tracking
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What users say

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What's New in FITTR HART

2.2.8

July 9, 2026

We keep updating our app to provide you with a seamless experience. This update contains bug fixes.

User reviews

Couldn't have asked for better

The FITTR HART ring has quietly become one of the most important parts of my daily routine. It’s light, comfortable, and I barely feel it on my finger, but the amount of data it tracks is seriously impressive.

I love how it gives me clear insights into:
• Sleep quality
• Recovery and readiness
• Activity levels and calorie burn
• Overall daily health trends

The app layout is clean and easy to understand — even if you’re not a hardcore data person, the way the metrics are presented makes it simple to take action. Instead of random numbers, it actually helps you make better choices: when to push harder, when to rest, and how your lifestyle habits are affecting your body.
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Best in business

Just in love with the tracking features .Sleep ,steps ,Hrv,stress,food logs .Just a complete package .One of the best investments .Must buy

Smart,Sleek and Super Insightful

I’ve been using the FITTR Hart Ring for a while now, and it’s been a great way to track my fitness and recovery without constantly wearing a smartwatch. The design is sleek, comfortable, and feels premium. The sleep tracking and recovery insights are quite accurate, and I like how it syncs seamlessly with the FITTR app.

Battery life is impressive, and charging is super easy. The TEF and HRV data give amazing insights into my recovery and performance. Sleep tracking is spot on too — helps me plan my workouts smarter. Totally worth it!
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Excellent

I’ve been using the HART Ring for a while now and truly appreciate how well it tracks my health metrics — sleep, recovery, heart rate, and activity insights are detailed and easy to understand. The app interface is smooth and user-friendly. It has really helped me stay consistent and mindful about my overall wellness.

Just hoping the sleep tracking accuracy improves a bit — apart from that, it’s an excellent health companion!
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Good tracker

I have been using it for a year now, impressed with the battery life, still holding 6 days.

Developer apps

User experience

🐞

Reported Bugs

10 issues

Activity report generation fails after workouts

Bug

Activity tracking is inaccurate, especially during runs and gym workouts

Bug

App has syncing issues, requires ring to be close to phone

Bug

App randomly logs out

Bug

Charging issues with the ring

Bug

Battery life drastically reduced after firmware updates

Bug

Sleep tracking not working consistently or accurately

Bug

Login issues

Bug

Report generation fails for activities like Badminton or Weight training

Bug

App shutters and shudders on iPhone 15

Bug

Requested Features

7 requests

Improve activity tracking accuracy

Feature

Enhance integration with Apple Health

Feature

Option to hide or remove unused app sections (e.g., Nutrition)

Feature

Allow adding activities after they are completed

Feature

Display activities in a list format (e.g., walking - 23 min)

Feature

More explanation on stress management

Feature

Push notification for low battery (<20%)

Feature

FAQ

What does the FITTR HART app do?

The FITTR HART app works with a smart ring to monitor various vital health parameters. It tracks daily health performance, provides detailed insights into metrics like sleep, heart rate, SpO2, stress, and skin temperature, and offers expert advice to help users improve their health and fitness.

What are the key features of the FITTR HART system?

Key features include comprehensive tracking of steps, distance, calories, sleep duration and stages, HRV, skin temperature, heart rate, SpO2, and stress levels. It also offers specialized tracking for Women's Health, including menstrual cycle and ovulation prediction.

Is the FITTR HART ring a medical device?

No, the FITTR HART ring is not a medical device. It is designed for general health and fitness tracking and should not be used as a substitute for professional medical advice or diagnosis. Always consult a healthcare professional for any health concerns.

How do I get accurate readings from the FITTR HART Ring?

For optimal performance and accurate readings, it is recommended to wear the HART Ring snugly on the index finger of your non-dominant hand. Ensure the ring fits comfortably and the sensor faces the palm side of your finger. After activation, pair the ring with the HART app to begin tracking.

What kind of health data does the app provide?

The app provides detailed data and reports on your daily health performance. This includes sleep duration and stages, heart rate fluctuations, SpO2 levels, HRV variations, stress monitoring, skin temperature changes, and specific metrics for Women's Health. Expert advice is offered to help interpret and improve these parameters.