Data updated: July 2026
김민석 ✓
@sandfactory_master · Instagram · KR · music
About 김민석
김민석, also known as '김효준', is a dedicated educator and the head of the Sand Factory Vocal Academy. With a focus on music and education, he shares his expertise through various content formats including long-form videos, reels, live streams, and stories. Operating primarily in South Korea, he engages with a micro audience of 16,000 followers, emphasizing an educational and supportive tone. His content reflects a professional and authoritative vibe, catering to individuals interested in music education. Some content may require brand review.
@sandfactory_master's followers & following
@sandfactory_master currently has 16,000 followers on Instagram and follows 994 accounts, a follower-to-following ratio of 16.1. That places the account in the micro tier of music creators.
@sandfactory_master's content
@sandfactory_master has published 427 posts to date, working across long-form-video, reels, live-streams, stories. The account's content is classified under music, music, education. Bio: “"김효준"으로 개명 진행중 모래공장 보컬아카데미 대표 @hyojunsam : 교육계정”
AI quality check on @sandfactory_master
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
@sandfactory_master's rankings on Zaver
Based on follower count among creators that passed Zaver's indexing quality bar.
@sandfactory_master's audience
Audience snapshot
50% male · 50% female
Core age group18-24
The audience is evenly split by gender, with a male skew of 0.5. The primary age group is 18-24, indicating a youthful demographic. The top geographic location for followers is South Korea, suggesting a localized engagement.
Collaboration pricing
Price tierstandard
Get the AI fair-price estimate → free trialWhich brands fit 김민석?
Brands in the music and education sectors may find a suitable partnership with this creator. His authoritative and educational content aligns well with products or services aimed at young learners and music enthusiasts, making collaborations potentially effective.
Frequently asked questions
How many Instagram followers does @sandfactory_master have?
As of July 2026, @sandfactory_master has 16,000 followers (16K) on Instagram, follows 994 accounts, and has published 427 posts. Zaver refreshes these numbers on a rolling basis.
How do I contact @sandfactory_master?
Verified contact details for @sandfactory_master — 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 @sandfactory_master's contact info — free trial →
How much does @sandfactory_master charge for a sponsored post?
@sandfactory_master 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 @sandfactory_master's net worth?
@sandfactory_master's net worth isn't publicly verified, and Zaver doesn't estimate personal wealth. What can be assessed is sponsored-post earning potential: with 16K followers and a standard price tier in music, brand collaborations are a meaningful income stream — Zaver's AI pricing model estimates what each placement is worth. See the earning-potential estimate →
Does @sandfactory_master have fake followers?
Zaver's AI authenticity check scores @sandfactory_master 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 @sandfactory_master?
@sandfactory_master's 16K followers skew 50% male / 50% female, core age group 18-24. Full audience breakdowns — age bands, gender split and country-level distribution — are part of @sandfactory_master's report on Zaver.
Which influencers are similar to @sandfactory_master?
Zaver lists comparable music creators in South Korea in the "Influencers like @sandfactory_master" 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?
The creator has 16,000 followers.
What is the engagement rate?
The engagement rate data is not available.
What is the collaboration pricing?
The estimated price tier is standard, but pricing may vary.
What is the content niche?
The primary niche is music, with a secondary focus on education.
