RUNBLE

Content rating
Everyone
10+
Downloads
Content rating
Everyone
Learn more
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About this app

RUNBLE is a Zone 2 running-based diet app.

"Run slowly, and fat burns."

When you run within the scientifically verified Zone 2 heart rate range, your body uses fat as its primary energy source. RUNBLE calculates a customized Zone 2 heart rate based on your weight, age, and resting heart rate.

[Key Features]
- Personalized Zone 2 Heart Rate Calculation (Based on Karvonen Formula)

- 4-Step Weekly Running Plan (Habit Building → Maximum Fat Burning)

- Personalized Diet Guides by Eating Pattern (Korean Food, Bread/Noodles, Delivery, Small Eating)

- Exercise/Diet Calendar Sticker Checklist

- Weight Change Tracking and Goal Management

- Zone 2 Scientific Information Cards

[Recommended for]

- Those who want to lose weight but dislike intense workouts

- Those who want to start running but don't know how to run

- Those who need a diet plan but want realistic menu options

- Those who want a diet based on scientific evidence

[Scientific Evidence]

- Maximum Heart Rate: Spanaus Formula

- Zone 2 Calculation: Karvonen Formula

- Calorie Burn: ACSM Guidelines

- Weekly Weight Loss Limit: 0.7kg (WHO/Korean Society for the Study of Obesity Standards)

Start for free. You can use it immediately without logging in.
Updated on
Apr 20, 2026

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 and Health and fitness
Data is encrypted in transit
You can request that data be deleted