Data updated: July 2026
O.S.T.R. β
@adam.ostr.ostrowski Β· Instagram Β· PL Β· music
About O.S.T.R.
O.S.T.R. is a musician and entertainer based in Poland, known for his contributions to the hip-hop genre. With a follower count of 254,415 on Instagram, he engages his audience through various content formats, including reels, stories, static posts, and carousels. His content often reflects themes of nostalgia and authenticity, resonating with fans of pop culture and entertainment. Some content may require brand review.
@adam.ostr.ostrowski's followers & following
@adam.ostr.ostrowski currently has 254,415 followers on Instagram and follows 42 accounts, a follower-to-following ratio of 6,057.5. That places the account in the mid tier of music creators.
@adam.ostr.ostrowski's content
@adam.ostr.ostrowski has published 1,497 posts to date, working across reels, stories, static-posts, carousels. The account's content is classified under music, entertainment, pop-culture. Bio: β50 PRZEΕOMOWYCH UTWORΓW W HISTORII POLSKIEGO HIP-HOPU VOL II β HOSTED BY O.S.T.R. - 24/04/2027β
AI quality check on @adam.ostr.ostrowski
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
@adam.ostr.ostrowski's rankings on Zaver
Based on follower count among creators that passed Zaver's indexing quality bar.
@adam.ostr.ostrowski's audience
Audience snapshot
60% male Β· 40% female
Core age group25-34
The audience skews slightly male at 60%, with a primary age group of 25-34. The top geographic location for followers is Poland, indicating a strong local presence.
Collaboration pricing
Price tierstandard
Get the AI fair-price estimate β free trialWhich brands fit O.S.T.R.?
Brands in the music, entertainment, and lifestyle sectors may find a good fit with O.S.T.R. due to his established presence in the hip-hop community and his engaging storytelling style. His authenticity and high content quality score enhance his appeal for collaborations.
Frequently asked questions
How many Instagram followers does @adam.ostr.ostrowski have?
As of July 2026, @adam.ostr.ostrowski has 254,415 followers (254K) on Instagram, follows 42 accounts, and has published 1,497 posts. Zaver refreshes these numbers on a rolling basis.
How do I contact @adam.ostr.ostrowski?
Verified contact details for @adam.ostr.ostrowski 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 @adam.ostr.ostrowski's contact info β free trial β
How much does @adam.ostr.ostrowski charge for a sponsored post?
@adam.ostr.ostrowski 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 @adam.ostr.ostrowski's net worth?
@adam.ostr.ostrowski's net worth isn't publicly verified, and Zaver doesn't estimate personal wealth. What can be assessed is sponsored-post earning potential: with 254K followers and a standard price tier in music, 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 @adam.ostr.ostrowski have fake followers?
Zaver's AI authenticity check scores @adam.ostr.ostrowski 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 @adam.ostr.ostrowski?
@adam.ostr.ostrowski's 254K followers skew 60% male / 40% female, core age group 25-34. Full audience breakdowns β age bands, gender split and country-level distribution β are part of @adam.ostr.ostrowski's report on Zaver.
Which influencers are similar to @adam.ostr.ostrowski?
Zaver lists comparable music creators in Poland in the "Influencers like @adam.ostr.ostrowski" section on this page, matched by niche, audience size and engagement. Zaver users can also search all 124,111 vetted music creators with plain-English queries.
What is the follower count?
O.S.T.R. has 254,415 followers.
What is the engagement rate?
The engagement rate is currently not available.
What is the collaboration pricing?
O.S.T.R. is in the standard price tier, but pricing can vary based on specific collaboration details.
What is the content niche?
O.S.T.R. primarily focuses on music, with secondary niches in entertainment and pop culture.
