Data updated: July 2026
Julian Köster ✓
@julian_kstr · Instagram · DE · sports
About Julian Köster
Julian Köster is an athlete and entertainer based in Germany, specializing in sports, fitness, and gym-related content. With a follower count of 109,023, he engages his audience through various formats, including reels, stories, and static posts. His content is characterized by a professional and authentic vibe, aiming to inspire his followers. Some content may require brand review.
@julian_kstr's followers & following
@julian_kstr currently has 109,023 followers on Instagram and follows 733 accounts, a follower-to-following ratio of 148.74. That places the account in the mid tier of sports creators.
@julian_kstr's content
@julian_kstr has published 93 posts to date, working across reels, stories, static-posts. The account's content is classified under sports, fitness, gym. Bio: “@vflgummersbach || @adidasgermany @blackroll @hydraid”
AI quality check on @julian_kstr
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
@julian_kstr's rankings on Zaver
Based on follower count among creators that passed Zaver's indexing quality bar.
@julian_kstr's audience
Audience snapshot
60% male · 40% female
Core age group25-34
The audience skews slightly male at 60%, with a primary age range of 25-34 years. The top geographic location for his followers is Germany, indicating a localized engagement with his content.
Collaboration pricing
Price tierstandard
Get the AI fair-price estimate → free trialWhich brands fit Julian Köster?
Brands in the sports, fitness, and wellness sectors may find a suitable partnership with Julian Köster due to his authentic and professional approach. His established presence in these niches allows for effective promotional collaborations.
Frequently asked questions
How many Instagram followers does @julian_kstr have?
As of July 2026, @julian_kstr has 109,023 followers (109K) on Instagram, follows 733 accounts, and has published 93 posts. Zaver refreshes these numbers on a rolling basis.
How do I contact @julian_kstr?
Verified contact details for @julian_kstr — including business email where available — 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 @julian_kstr's contact info — free trial →
How much does @julian_kstr charge for a sponsored post?
@julian_kstr 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 →
What is @julian_kstr's net worth?
@julian_kstr's net worth isn't publicly verified, and Zaver doesn't estimate personal wealth. What can be assessed is sponsored-post earning potential: with 109K followers and a standard price tier in sports, brand collaborations are a meaningful income stream — Zaver's AI pricing model estimates what each placement is worth. See the earning-potential estimate →
Does @julian_kstr have fake followers?
Zaver's AI authenticity check scores @julian_kstr 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 →
Who follows @julian_kstr?
@julian_kstr's 109K followers skew 60% male / 40% female, core age group 25-34. Full audience breakdowns — age bands, gender split and country-level distribution — are part of @julian_kstr's report on Zaver.
Which influencers are similar to @julian_kstr?
Zaver lists comparable sports creators in Germany in the "Influencers like @julian_kstr" section on this page, matched by niche, audience size and engagement. Zaver users can also search all 42,421 vetted sports creators with plain-English queries.
What is Julian's follower count?
Julian has 109,023 followers.
What is Julian's engagement rate?
The engagement rate is not available.
What is the pricing for collaborations?
Julian's estimated price tier is standard, but pricing may vary based on specific collaboration details.
What is Julian's content niche?
Julian primarily focuses on sports, with secondary niches in fitness and gym.
