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Data updated: July 2026

Rinna Castro βœ“

@rinnacasfit Β· Instagram Β· AR Β· fitness

Followers
6.7K
Following
1.2K
Posts
388

About Rinna Castro

Rinna Castro is a fitness trainer based in Argentina, focusing on empowering women to transform their bodies through various training programs. With a follower count of 6,736, she operates within the nano influencer category. Rinna creates content in both Spanish and English, utilizing formats such as reels, stories, carousels, and live-streams to engage her audience. Her content is characterized by a motivational and personal tone, aiming to inspire her followers. Some content may require brand review.

@rinnacasfit's followers & following

6.7K

@rinnacasfit currently has 6,736 followers on Instagram and follows 1,173 accounts, a follower-to-following ratio of 5.74. That places the account in the nano tier of fitness creators.

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@rinnacasfit's content

388

@rinnacasfit has published 388 posts to date, working across reels, stories, carousels, live-streams. The account's content is classified under fitness, weight-loss. Bio: β€œπŸ©· Ayudo a mujeres reales a transformar su cuerpo! Entrena conmigo (online/presencial) ↓ Programas Β· clases Β· merch”

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AI quality check on @rinnacasfit

90/100High authenticity

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
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@rinnacasfit's rankings on Zaver

37,501stin fitnessof 39,215 vetted creatorsSee full ranking β†’12,310thin Argentinaof 12,383 vetted creatorsSee full ranking β†’

Based on follower count among creators that passed Zaver's indexing quality bar.

@rinnacasfit's audience

Audience snapshot

20% male Β· 80% female

Core age group25-34

Rinna's audience skews slightly male at 20%, with a predominant age range of 25-34 years. The top geographical location of her followers is Argentina, indicating a localized engagement with her fitness content.

Collaboration pricing

Price tierstandard

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Which brands fit Rinna Castro?

Brands in the fitness and wellness sectors may align well with Rinna's content, particularly those targeting women. Her focus on body transformation and empowerment suggests a partnership potential with brands offering training programs, fitness gear, or health-related products.

Frequently asked questions

How many Instagram followers does @rinnacasfit have?

As of July 2026, @rinnacasfit has 6,736 followers (6.7K) on Instagram, follows 1,173 accounts, and has published 388 posts. Zaver refreshes these numbers on a rolling basis.

How do I contact @rinnacasfit?

Verified contact details for @rinnacasfit 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 @rinnacasfit's contact info β€” free trial β†’

How much does @rinnacasfit charge for a sponsored post?

@rinnacasfit 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 @rinnacasfit's net worth?

@rinnacasfit's net worth isn't publicly verified, and Zaver doesn't estimate personal wealth. What can be assessed is sponsored-post earning potential: with 6.7K 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 @rinnacasfit have fake followers?

Zaver's AI authenticity check scores @rinnacasfit 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 @rinnacasfit?

@rinnacasfit's 6.7K followers skew 20% male / 80% female, core age group 25-34. Full audience breakdowns β€” age bands, gender split and country-level distribution β€” are part of @rinnacasfit's report on Zaver.

Which influencers are similar to @rinnacasfit?

Zaver lists comparable fitness creators in Argentina in the "Influencers like @rinnacasfit" 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 Rinna's follower count?

Rinna has a follower count of 6,736.

What is Rinna's engagement rate?

The engagement rate data is not available.

What is Rinna's collaboration pricing?

Rinna is estimated to fall within the standard price tier for collaborations.

What is Rinna's content niche?

Rinna primarily focuses on fitness, with a secondary niche in weight-loss.