Data updated: July 2026
열린책들 ✓
@openbooks21 · Instagram · Paju, KR · books
About 열린책들
The creator, known as 열린책들, operates an Instagram account focused on the themes of books and education. With a follower count of 66,002, they engage their audience through various content formats, including static posts, carousels, stories, and reels. Their biography emphasizes the transformative power of books, aligning with their educational and informative tone. Based in Paju, South Korea, they cater primarily to a Korean-speaking audience. Some content may require brand review.
@openbooks21's followers & following
@openbooks21 currently has 66,002 followers on Instagram and follows 5,662 accounts, a follower-to-following ratio of 11.66. That places the account in the micro tier of books creators.
@openbooks21's content
@openbooks21 has published 3,468 posts to date, working across static-posts, carousels, stories, reels. The account's content is classified under books, education. Bio: “책이 세상을 변화시킬 작은 힘입니다. 열린책들 The Open Books Co. 공식 계정 📚열린책들 책소개 @openbooks_mimesis”
AI quality check on @openbooks21
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
@openbooks21's rankings on Zaver
Based on follower count among creators that passed Zaver's indexing quality bar.
@openbooks21's audience
Audience snapshot
50% male · 50% female
Core age group25-34
The audience skews evenly in gender, with a notable concentration in the 25-34 age range. The primary geographic location of the followers is South Korea, indicating a localized engagement with the content.
Collaboration pricing
Price tierstandard
Get the AI fair-price estimate → free trialWhich brands fit 열린책들?
Brands within the educational sector or those promoting literature would align well with this creator's content. Their focus on books and storytelling makes them suitable for partnerships that emphasize learning and personal development.
Frequently asked questions
How many Instagram followers does @openbooks21 have?
As of July 2026, @openbooks21 has 66,002 followers (66K) on Instagram, follows 5,662 accounts, and has published 3,468 posts. Zaver refreshes these numbers on a rolling basis.
How do I contact @openbooks21?
Verified contact details for @openbooks21 — including business email where available — are held in Zaver, alongside contacts for millions of other Instagram creators. Zaver users can unlock them instantly and reach out from your own inbox. Unlock @openbooks21's contact info — free trial →
How much does @openbooks21 charge for a sponsored post?
@openbooks21 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 @openbooks21's net worth?
@openbooks21's net worth isn't publicly verified, and Zaver doesn't estimate personal wealth. What can be assessed is sponsored-post earning potential: with 66K followers and a standard price tier in books, brand collaborations are a meaningful income stream — Zaver's AI pricing model estimates what each placement is worth. See the earning-potential estimate →
Does @openbooks21 have fake followers?
Zaver's AI authenticity check scores @openbooks21 98/100, 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 @openbooks21?
@openbooks21's 66K followers skew 50% male / 50% female, core age group 25-34. Full audience breakdowns — age bands, gender split and country-level distribution — are part of @openbooks21's report on Zaver.
Which influencers are similar to @openbooks21?
Zaver lists comparable books creators in South Korea in the "Influencers like @openbooks21" 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.
What is the follower count?
The creator has 66,002 followers.
What is the engagement rate?
The engagement rate is currently not available.
What is the collaboration pricing?
The estimated price tier for collaborations is standard.
What is the content niche?
The primary niche is books, with a secondary focus on education.
