JunFit: Coaching by Erko Jun
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About this app
Erko Jun is now your coach. Every day. In your corner.
Camera-based motion tracking counts every rep through your phone. No watch needed. Just point and train.
Your AI chat coach sounds like Erko. Helps you start small on the days you don't feel like it. Brings you back after a break, without guilt.
WHAT'S INSIDE
Training
• 4 themes: HIIT, Kickboxing, Strength, Full Body
• 5 workouts per theme, 3 intensity levels
• Motion tracking on every workout (rep counting through camera)
• Quick challenges to beat Erko's score
Nutrition
• Log meals by photo, text or voice
• Personal nutrition plan with weekly menus
• Calorie tracking, no shame
• Save frequent meals for one-tap repeats
Mindset and Wellbeing
• 5, 10 and 15 minute audio sessions
• Reset stress, sharpen focus, build resilience
• Guided audio in Erko's tone
• Visual breathing guide on screen
Your AI Coach
• Daily chat check-ins in Erko's voice
• Helps you pick something small when motivation drops
• Reminds you on your schedule
• Welcomes you back after a break
WHY ERKO BUILT THIS
"I wanted an app that helps people the way I help myself. Show up. Do something small. Come back tomorrow. No drama."
WHAT MAKES JUNFIT DIFFERENT
Most fitness apps demand. JunFit guides.
Most fitness apps shame missed days. JunFit welcomes you back.
Most fitness apps need extra hardware. JunFit just needs your phone.
No streaks to break. No red warnings. No guilt language.
WHO IT'S FOR
For anyone who follows Erko and wants what he stands for in their own daily life. Whether you're starting fresh or coming back after time off, JunFit meets you where you are. No fight gym required.
LANGUAGES
English, Dutch, Bosnian.
SUPPORT
Questions? support@fittar.eu
LEGAL
Privacy policy: https://www.erkojun.com/privacy
Terms and conditions: https://www.erkojun.com/terms-and-conditions
Camera-based motion tracking counts every rep through your phone. No watch needed. Just point and train.
Your AI chat coach sounds like Erko. Helps you start small on the days you don't feel like it. Brings you back after a break, without guilt.
WHAT'S INSIDE
Training
• 4 themes: HIIT, Kickboxing, Strength, Full Body
• 5 workouts per theme, 3 intensity levels
• Motion tracking on every workout (rep counting through camera)
• Quick challenges to beat Erko's score
Nutrition
• Log meals by photo, text or voice
• Personal nutrition plan with weekly menus
• Calorie tracking, no shame
• Save frequent meals for one-tap repeats
Mindset and Wellbeing
• 5, 10 and 15 minute audio sessions
• Reset stress, sharpen focus, build resilience
• Guided audio in Erko's tone
• Visual breathing guide on screen
Your AI Coach
• Daily chat check-ins in Erko's voice
• Helps you pick something small when motivation drops
• Reminds you on your schedule
• Welcomes you back after a break
WHY ERKO BUILT THIS
"I wanted an app that helps people the way I help myself. Show up. Do something small. Come back tomorrow. No drama."
WHAT MAKES JUNFIT DIFFERENT
Most fitness apps demand. JunFit guides.
Most fitness apps shame missed days. JunFit welcomes you back.
Most fitness apps need extra hardware. JunFit just needs your phone.
No streaks to break. No red warnings. No guilt language.
WHO IT'S FOR
For anyone who follows Erko and wants what he stands for in their own daily life. Whether you're starting fresh or coming back after time off, JunFit meets you where you are. No fight gym required.
LANGUAGES
English, Dutch, Bosnian.
SUPPORT
Questions? support@fittar.eu
LEGAL
Privacy policy: https://www.erkojun.com/privacy
Terms and conditions: https://www.erkojun.com/terms-and-conditions
Updated on
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
No data collected
Learn more about how developers declare collection
Data is encrypted in transit
You can request that data be deleted
What’s new
What's new:
- Walk & Explore now has live map navigation with light and dark mode
- Redesigned Workout Builder for creating your own workouts
- New personal Goals and Achievements
- Cleaner statistics, improved Meal Plan setup and food logging
- Performance improvements and bug fixes
- Walk & Explore now has live map navigation with light and dark mode
- Redesigned Workout Builder for creating your own workouts
- New personal Goals and Achievements
- Cleaner statistics, improved Meal Plan setup and food logging
- Performance improvements and bug fixes
Everyone
Learn moreApp support
About the developer
Fittar B.V.
alje@fittar.eu
Abe Lenstra boulevard 50 6
8448 JB Heerenveen
Netherlands
+31 6 83719840