Data updated: July 2026
William Janser β
@williamjanser Β· Instagram Β· BR Β· fitness
About William Janser
William Janser is a fitness trainer and expert based in Brazil, specializing in bodybuilding, sports, and self-improvement. With a follower count of 9,751, he operates within the nano influencer category. His content reflects a motivational and educational tone, focusing on fitness and human behavior. He utilizes various formats including reels, static posts, carousels, and stories to engage his audience. Some content may require brand review.
@williamjanser's followers & following
@williamjanser currently has 9,751 followers on Instagram and follows 376 accounts, a follower-to-following ratio of 25.93. That places the account in the nano tier of fitness creators.
@williamjanser's content
@williamjanser has published 17 posts to date, working across reels, static-posts, carousels, stories. The account's content is classified under fitness, gym, sports, bodybuilding, self-improvement. Bio: βπ§ CΓREBRO| COMPORTAMENTO HUMANO π°Especialista Business, comunicação & Network π§π·Brazilian national team fighter mma ππ»Musculação e Preβ¦β
AI quality check on @williamjanser
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
@williamjanser's rankings on Zaver
Based on follower count among creators that passed Zaver's indexing quality bar.
@williamjanser's audience
Audience snapshot
70% male Β· 30% female
Core age group25-34
William's audience skews predominantly male at 70%, primarily within the 25-34 age range. The top geographic location of his followers is Brazil, indicating a localized engagement with fitness and lifestyle content.
Collaboration pricing
Price tierstandard
Get the AI fair-price estimate β free trialWhich brands fit William Janser?
Brands in the fitness, health, and self-improvement sectors would align well with William Janser's content. His expertise as a trainer and his motivational approach can effectively resonate with audiences looking for guidance and inspiration in their fitness journeys.
Frequently asked questions
How many Instagram followers does @williamjanser have?
As of July 2026, @williamjanser has 9,751 followers (9.8K) on Instagram, follows 376 accounts, and has published 17 posts. Zaver refreshes these numbers on a rolling basis.
How do I contact @williamjanser?
Verified contact details for @williamjanser β including business email where available β 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 @williamjanser's contact info β free trial β
How much does @williamjanser charge for a sponsored post?
@williamjanser 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 @williamjanser's net worth?
@williamjanser's net worth isn't publicly verified, and Zaver doesn't estimate personal wealth. What can be assessed is sponsored-post earning potential: with 9.8K followers and a standard price tier in fitness, 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 @williamjanser have fake followers?
Zaver's AI authenticity check scores @williamjanser 90/100, 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 @williamjanser?
@williamjanser's 9.8K followers skew 70% male / 30% female, core age group 25-34. Full audience breakdowns β age bands, gender split and country-level distribution β are part of @williamjanser's report on Zaver.
Which influencers are similar to @williamjanser?
Zaver lists comparable fitness creators in Brazil in the "Influencers like @williamjanser" section on this page, matched by niche, audience size and engagement. Zaver users can also search all 39,215 vetted fitness creators with plain-English queries.
What is the follower count?
William Janser has 9,751 followers.
What is the engagement rate?
The engagement rate for William Janser is currently not available.
What is the collaboration pricing?
William Janser is in the standard price tier for collaborations.
What is the content niche?
William primarily focuses on fitness, with secondary niches in gym, sports, bodybuilding, and self-improvement.
