Data updated: July 2026
HEO YEON JU β
@black_jju Β· Instagram Β· KR Β· fitness
About HEO YEON JU
HEO YEON JU, known by the username black_jju, is a fitness trainer based in South Korea. With a follower count of 102,349, she operates within the mid follower bucket and produces various content formats, including reels, stories, carousels, and static posts. Her primary niche is fitness, complemented by secondary niches in gym and weight-loss topics. The creator's content is characterized by a professional and authentic tone, often focusing on tutorials and motivational demonstrations. Some content may require brand review.
@black_jju's followers & following
@black_jju currently has 102,349 followers on Instagram and follows 864 accounts, a follower-to-following ratio of 118.46. That places the account in the mid tier of fitness creators.
@black_jju's content
@black_jju has published 226 posts to date, working across reels, stories, carousels, static-posts. The account's content is classified under fitness, gym, weight-loss. Bio: βPTλ¬Έμ DM [μ€λ¦¬μ§ νΌνΈλμ€/κ°μꡬ/λ°μ°/κ°μ] @origin_fitness6β
AI quality check on @black_jju
Zaver's AI analyzed this account across 20+ parameters before listing it publicly. No blocking issues were detected in our standard screening.
- Audience location & demographics
- Engagement quality & authenticity
- Follower growth patterns
- Signs of purchased followers
- Content niche classification
- Brand safety screening
- Posting activity & consistency
- Language & audience fit
@black_jju's rankings on Zaver
Based on follower count among creators that passed Zaver's indexing quality bar.
@black_jju's audience
Audience snapshot
50% male Β· 50% female
Core age group25-34
The audience for HEO YEON JU skews evenly between genders, with a notable concentration in the 25-34 age range. The majority of her followers are located in South Korea, indicating a strong local presence.
Collaboration pricing
Price tierstandard
Get the AI fair-price estimate β free trialWhich brands fit HEO YEON JU?
Brands in the fitness, gym, and weight-loss sectors would align well with HEO YEON JU's expertise and content. Her professional and motivational approach can effectively resonate with audiences seeking guidance in these areas.
Frequently asked questions
How many Instagram followers does @black_jju have?
As of July 2026, @black_jju has 102,349 followers (102K) on Instagram, follows 864 accounts, and has published 226 posts. Zaver refreshes these numbers on a rolling basis.
How do I contact @black_jju?
Verified contact details for @black_jju β including business email where available β are held in Zaver, alongside contacts for 77M+ other Instagram creators. Zaver users can unlock them instantly and reach out with AI-personalized outreach. Unlock @black_jju's contact info β free trial β
How much does @black_jju charge for a sponsored post?
@black_jju sits in the standard price tier on Zaver, based on follower scale, engagement and niche. Zaver's AI pricing model also produces a fair per-post price range with justification, so brands can negotiate from data instead of guessing. Get the AI fair-price estimate β
What is @black_jju's net worth?
@black_jju's net worth isn't publicly verified, and Zaver doesn't estimate personal wealth. What can be assessed is sponsored-post earning potential: with 102K followers and a standard price tier in fitness, brand collaborations are a meaningful income stream β Zaver's AI pricing model estimates what each placement is worth. See the earning-potential estimate β
Does @black_jju have fake followers?
Zaver's AI authenticity check scores @black_jju 95/100, based on 20+ signals including engagement quality, follower growth patterns and signs of purchased followers. That indicates a predominantly genuine audience. Run the full authenticity check β
Who follows @black_jju?
@black_jju's 102K followers skew 50% male / 50% female, core age group 25-34. Full audience breakdowns β age bands, gender split and country-level distribution β are part of @black_jju's report on Zaver.
Which influencers are similar to @black_jju?
Zaver lists comparable fitness creators in South Korea in the "Influencers like @black_jju" section on this page, matched by niche, audience size and engagement. Zaver users can also search all 39,215 vetted fitness creators with plain-English queries.
What is the follower count?
HEO YEON JU has 102,349 followers.
What is the engagement rate?
The engagement rate is currently not available.
What is the collaboration pricing?
Collaboration pricing is estimated to be in the standard tier.
What is the content niche?
HEO YEON JU primarily focuses on fitness, with additional content in gym and weight-loss.
