Heart Rate Ninja

In-app purchases
3.1
21 reviews
1K+
Downloads
Content rating
Everyone
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About this app

Heart Rate Ninja is a group heart rate tracking app for gyms & individuals that makes workouts more fun & effective. Earn points, level-up, and compete on the leaderboards while reaching your fitness goals.

TURN YOUR WORKOUT INTO A GAME:
Turn your group workout into a fun game tailored to your biometrics. Connect your Bluetooth heart rate monitors to your phone or tablet. Display your phone or tablet on a TV or projector for everyone to see (optional). Maximize your workout, earn points, compete, and have fun.

"... the best part of the work out is the Heart Rate Ninja"
- Paul A

BURN CALORIES, EARN POINTS:
Earn points by working out at home or at the gym. If your gym uses Heart Rate Ninja, you can earn bonus points for joining workouts at your gym, competing in competitions, and winning challenges.

"... I always leave class knowing I did my best and I was safe."
- P Waldron

REACH A NEW LEVEL EACH SEASON:
Unlock masks by earning points. Everyone starts at the white mask, do you have what it takes to unlock the black mask? Heart Rate Ninja enters a new season every three months. Masks are reset each season to keep things fresh & give you a chance to improve every season.

"... big numbers, big colors, and fun ways to gain personal rewards ..."
- Lori G

GET MORE OUT OF YOUR WORKOUT:
Your workout intensity is measured by your heart rate zone. Heart Rate Ninja lets you know your current heart rate zone in realtime to take the guesswork out of training. Review your workout when you're done and we'll send you a personalized workout report email.

"It helps me stay in the right heart rate zones and lets me know when I need to push harder and when I need to take a rest."
- Jon T

FEATURES:

COMPETITIONS & CHALLENGES:
Go head-to-head in team competitions or participate in time challenges for bonus points.

LEADERBOARDS:
See who's doing the best in the current workout or who's doing the best this season (cumulatively) out of everyone in the gym.

WORKOUT REVIEW SCREEN:
See a summary of your workout when it ends. See how everyone did, who did best, etc. to give players actionable insights.

WORKOUT REVIEW EMAILS:
Get a workout report email after each workout with detailed statistics about how you did, how many points you earned, and what you can improve.

USE YOUR OWN HEART RATE MONITORS:
Heart Rate Ninja™ supports most popular Bluetooth LE heart rate monitors.

DISPLAY ON TV OR PROJECTOR:
Connect your phone or tablet to a TV or projector to display the workout on a big screen for everyone to see.

WORKOUT HISTORY:
Review all of the workouts that have taken place. Workouts can be filtered by year, month, and day. Tap on a workout to see its review.

GPS MODE:
Whether you're hiking, biking, walking, jogging, etc. you can track your distance, speed, pace, elevation, and more while earning points and burning calories with Heart Rate Ninja's GPS mode!

LOVE HEART RATE NINJA? LEARN MORE:
https://facebook.com/heartrateninja
https://instagram.com/heartrateninja
https://youtube.com/@heartrateninja
https://x.com/HeartRateNinja
https://pinterest.com/HeartRateNinjaApp

LEGAL
https://heartrateninja.com/privacy
https://heartrateninja.com/terms
Updated on
Nov 22, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Personal info, Health and fitness and 2 others
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

3.1
20 reviews
Cindy Palermo
October 15, 2024
Heart Rate Ninja has been a great tool. My workouts are much more worthwhile because it shows me when I am working in the correct heart rate zone in order to maximize my workouts and my results. It is also fun to watch where I am on the leaderboard to help keep me motivated. I set goals for myself and then try to beat my goals in the next quarter/season. The app has really helped me to keep on track while having fun.
2 people found this review helpful
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Heart Rate Ninja
October 15, 2024
Hi Cindy, We're glad to hear that you are enjoying the app. Thank you so much for your 5-star review!
Lori Gordon
October 5, 2022
This app is awesome! I can workout at home and get points, workout at the fitness factory and get points. The app is colorful, easy to use, fun to get thr next level colors, and a great way to get in and stay in shape. Lots of statistics about your workout, too! Absolutely recommend :-)
2 people found this review helpful
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Arthur Nobrega
September 29, 2022
Love the graphics, super easy to use. I'm constantly trying to unlock the next mask and burning cals doing it!
1 person found this review helpful
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What’s new

We frequently update Heart Rate Ninja to bring you new features, improvements, and bug fixes. Send us an email if you have any questions, issues, or feedback hello@heartrateninja.com

- Added async workout uploads
- Misc. bug fixes and improvements