Data updated: July 2026
Serena Kosta โ
@kosta_rena ยท Instagram ยท FR ยท books
About Serena Kosta
@kosta_rena's followers & following
@kosta_rena currently has 80,495 followers on Instagram and follows 137 accounts, a follower-to-following ratio of 587.55. That places the account in the micro tier of books creators.
@kosta_rena's content
@kosta_rena has published 269 posts to date, working across stories, text-posts, static-posts. The account's content is classified under books, art, vlogs. Bio: โ๐๐ฝ๐ฟ๐ถ๐น๐ถ๐ฎ ๐ฅ๐ฆ๐ฐ๐ฑ๐ณ ๐๏ธ ๐ ๐ฅ๐ถ๐ฑ๐ฒ. ๐ช๐ฟ๐ถ๐๐ฒ. ๐ฆ๐ฒ๐ฑ๐๐ฐ๐ฒ. ๐๐ฎ๐ฟ๐ธ ๐ฟ๐ผ๐บ๐ฎ๐ป๐ฐ๐ฒ & ๐ฒ๐ฟ๐ผ๐๐ถ๐ฐ ๐๐ต๐ฟ๐ถ๐น๐น๐ฒ๐ฟ๐ โ๏ธ ๐๐ผ๐น๐น๏ฟฝโฆโ
AI quality check on @kosta_rena
Zaver's AI analyzed this account across 20+ parameters before listing it publicly. One area may require brand review before signing โ details are available in the full report.
- 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
@kosta_rena's rankings on Zaver
Based on follower count among creators that passed Zaver's indexing quality bar.
@kosta_rena's audience
Audience snapshot
50% male ยท 50% female
Core age group25-34
Collaboration pricing
Price tierstandard
Get the AI fair-price estimate โ free trialWhich brands fit Serena Kosta?
Frequently asked questions
How many Instagram followers does @kosta_rena have?
As of July 2026, @kosta_rena has 80,495 followers (80K) on Instagram, follows 137 accounts, and has published 269 posts. Zaver refreshes these numbers on a rolling basis.
How do I contact @kosta_rena?
Verified contact details for @kosta_rena โ including business email where available โ 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 @kosta_rena's contact info โ free trial โ
How much does @kosta_rena charge for a sponsored post?
@kosta_rena 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 โ
What is @kosta_rena's net worth?
@kosta_rena's net worth isn't publicly verified, and Zaver doesn't estimate personal wealth. What can be assessed is sponsored-post earning potential: with 80K followers and a standard price tier in books, brand collaborations are a meaningful income stream โ Zaver's AI pricing model estimates what each placement is worth. See the earning-potential estimate โ
Does @kosta_rena have fake followers?
Zaver's AI authenticity check scores @kosta_rena 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 โ
Who follows @kosta_rena?
@kosta_rena's 80K followers skew 50% male / 50% female, core age group 25-34. Full audience breakdowns โ age bands, gender split and country-level distribution โ are part of @kosta_rena's report on Zaver.
Which influencers are similar to @kosta_rena?
Zaver lists comparable books creators in France in the "Influencers like @kosta_rena" section on this page, matched by niche, audience size and engagement. Zaver users can also search all 6,450 vetted books creators with plain-English queries.
