JumJac: Jumping Jacks Counter 4+

Track Jumping Jacks with Watch

XiaoDong Lin

Designed for iPhone

    • $0.99


JumJac makes your Apple Watch a Jumping Jacks counter, it automatically counts the reps of Jumping Jacks, which simplify your workout straightforwardly.

Jumping jacks are an efficient total-body workout that you can do almost anywhere.It is a good alternative to jogging miles on a treadmill or stationary bike. All of these exercises help raise your heart rate. The role of JumJac is to help you better log your training and manage your training data.

JumJac is integrated with the Health app and workouts are stored in HealthKit so your jumping jacks sessions will contribute to closing your daily rings.

What’s New

Version 1.1.5

Hello everyone, thank u for using JumJac, this update includes the following improvement:

• Bug fixes and enhancements.
If u have any question and suggestion, feel free to email us at: fitnexhelp@gmail.com

Ratings and Reviews

4.7 out of 5
16 Ratings

16 Ratings

King Maximillion ,

Count is way off

With the sensitivity rate on max, I completed 50 jumping jacks and the counter says 16. 😡😡😡

App Privacy

The developer, XiaoDong Lin, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Health & Fitness

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    Up to six family members can use this app with Family Sharing enabled.

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