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Who is Justina Castro?
Justina Castro connects with her audience through personal stories, humor, and reflections on life and relationships. Her engaging content makes her a favorite among young viewers.

Justina Castro: Sharing Life and Love with a Relatable Touch
Justina Castro is an Argentine content creator known for her engaging and relatable digital presence. She shares insights on relationships, friendships, and daily life experiences, often using humor to connect with her audience. Her ability to tell authentic stories has made her a trusted voice among young Spanish-speaking followers. With a warm and cheerful personality, she continues to grow her influence across multiple platforms.
Her largest audience is on TikTok, where she has amassed over 1.6 million followers. Through short videos, she shares humorous anecdotes and reflections on love and personal growth. Her engagement is consistently high, thanks to her frequent posting and interactive content. By keeping up with trends and staying true to her personality, she maintains a loyal and engaged fanbase.

On Instagram, where she has 483.1K followers, Justina curates a mix of visually appealing content and meaningful captions. She shares lifestyle moments, personal experiences, and collaborations with well-known brands. Her posts resonate with young adults who relate to her candid and unfiltered storytelling. By engaging with her audience through comments and messages, she fosters a strong community.
Beyond social media, she has partnered with notable brands like Maybelline New York and Head & Shoulders. These collaborations align with her image and allow her to promote products authentically. While she maintains a presence on multiple platforms, her core focus remains TikTok and Instagram. As her influence continues to grow, she is set to expand her reach and impact even further.
An Influencer Active on Social Media

Justina Castro's social media presence is built on her ability to connect with audiences through relatable, everyday content. She is most active on TikTok, Instagram, and Twitter, where she shares a mix of personal anecdotes and lighthearted entertainment. Her growing presence across multiple platforms, combined with her engaging personality, allows her to maintain a loyal audience.
Justina's Social Media Strategy Analysis
TikTok: A Platform for Relatable Stories and Humor

Justina Castro’s TikTok presence is her strongest, with 1.6 million followers actively engaging with her content. She shares short, entertaining videos that revolve around relationships, friendships, and everyday experiences. Her humorous and relatable approach resonates deeply with young audiences who appreciate her authenticity. By consistently posting fresh content, she keeps her followers entertained and engaged.
Her content strategy focuses on storytelling, using humor and personal experiences to create viral moments. She often shares funny takes on love, dating struggles, and self-reflection, making her audience feel connected. With her ability to tap into trending topics, she remains highly relevant in the fast-paced world of social media. This mix of creativity and relatability keeps her videos performing well.

Engagement on TikTok is one of her strongest assets, with an engagement rate of 2.28% and an average of 36.5K interactions per post. This indicates that her audience actively responds to her content through likes, comments, and shares. Her community-building approach helps her maintain a loyal fanbase, ensuring steady interaction. The high engagement makes her an attractive partner for brand collaborations.
She follows a strict posting schedule, uploading 5.7 videos per week at 5 PM EST to maximize visibility. This routine helps her maintain consistency, ensuring that her audience always has fresh content to enjoy. By sticking to a regular schedule, she enhances her reach and keeps her followers anticipating her next post. This consistency, paired with her authentic voice, sets her apart from other content creators.
- Username: @justicastro
- Influence Score: 88.4/100
- Followers: 1.6M
- Activity: 5.7 videos per week
- Engagement Rate: 2.28%
- Growth (30 days): 0%
- Average Engagement: 36.5K
- Posting Habits: Every day at 5 PM EST
Instagram: Lifestyle and Beauty with a Personal Touch

Justina Castro’s Instagram presence is strong, with 483.1K followers engaging with her carefully curated posts. Her content is a blend of lifestyle images, personal reflections, and collaborations with brands. She uses Instagram to showcase a more polished version of her personality while still maintaining relatability. Her aesthetic is simple and clean, making her feed visually appealing to her audience.
Her strategy revolves around engagement, using captions to spark discussions and interactions with her community. With an engagement rate of 3.06%, her followers actively like, comment, and share her posts. She often discusses relationships, self-growth, and fun everyday experiences, creating a strong emotional connection. By sharing personal insights, she encourages her audience to engage in meaningful conversations.

Despite her success, her Instagram growth has slightly declined, with a -0.82% drop in followers in the last 30 days. This indicates that while her engagement remains strong, her audience size fluctuates. However, she maintains a steady presence with 8 posts per month, ensuring she stays active. With continued consistency and interactive content, she has the potential to regain growth.
Her posting schedule is structured, with content typically going live twice a week at 3 PM EST. This allows her to optimize engagement by reaching her audience when they are most active. By maintaining a regular rhythm, she ensures her content remains a constant in her followers’ feeds. Her ability to balance quality and consistency makes her a standout influencer on Instagram.
- Username: @justinacastro
- Influence Score: 80.4/100
- Followers: 483.1K
- Activity: 8 posts per month
- Engagement Rate: 3.06%
- Growth (30 days): -0.82%
- Average Engagement: 14.8K
- Posting Habits: Twice a week at 3 PM EST
Twitter: Quick Thoughts and Daily Interactions

Justina Castro’s X (Twitter) account serves as a space for quick, witty thoughts, with 280.4K followers engaging in conversations. She uses the platform to share humorous takes on relationships, daily life, and pop culture. Unlike her visual-heavy content on other platforms, her Twitter strategy is more text-focused. This allows her to connect with audiences through clever observations and relatable humor.
Her engagement on Twitter is lower compared to other platforms, with an engagement rate of 0.24%. However, she still manages to maintain relevance by participating in trending conversations. She tweets an average of 4.3 times per week, keeping her audience entertained. By responding to followers and engaging in discussions, she maintains an interactive and dynamic presence.

Her growth on Twitter is relatively stable, with a +0.11% increase and an additional 295 followers in the last 30 days. This suggests that while her account isn't growing rapidly, it remains steady. She ensures she stays relevant by engaging with trending topics and using humor to keep her audience entertained. This slow but stable growth allows her to maintain her presence in the platform’s fast-moving environment.
She follows a strict posting schedule, tweeting every day at 5 PM EST to reach her audience during peak hours. This consistency ensures that her content appears in followers’ feeds when they are most active. By maintaining this routine, she maximizes her chances of engagement and visibility. While Twitter isn’t her primary platform, it remains an important space for her online presence.
- Username: @justicastroo
- Influence Score: 86.1/100
- Followers: 280.4K
- Activity: 4.3 tweets per week
- Engagement Rate: 0.24%
- Growth (30 days): +0.11%
- Average Engagement: 683
- Posting Habits: Every day at 5 PM EST
Twitch: Interactive Streams and Community Engagement

Justina Castro’s Twitch presence is minimal but holds potential, with 183.7K followers currently subscribed. Although she doesn’t actively stream, the platform offers opportunities for live interactions. Given her engaging personality, Twitch could be an avenue for more real-time conversations. If she decides to focus on live streaming, she could build a dedicated community.
Her engagement on Twitch is currently not tracked, with no active live streams. However, the platform could allow her to explore new formats, such as Q&A sessions or interactive storytelling. With live streaming becoming increasingly popular, this could be a valuable addition to her content strategy. If properly developed, Twitch could enhance her connection with followers.

Her growth on Twitch has shown a +0.2% increase, with an additional 364 followers in the last 30 days. This slow but steady rise indicates that people are still interested in her content. While Twitch isn't her main focus, it remains an untapped opportunity. If she begins streaming consistently, she could significantly grow her audience.
Her posting habits are currently inactive, with content being uploaded once a year at 7 PM EST. This suggests that Twitch is not yet a priority in her content strategy. However, with the right approach, she could turn this platform into a key part of her brand. Her ability to connect with fans in real time could make Twitch an exciting expansion for her digital presence.
- Username: @justicastro
- Influence Score: N/A
- Followers: 183.7K
- Activity: N/A
- Engagement Rate: N/A
- Growth (30 days): +0.2%
- Average Engagement: N/A
- Posting Habits: Once a year at 7 PM EST
YouTube: A Platform for Future Expansion

Justina Castro’s YouTube channel has 58.7K subscribers but has been inactive for over six months. While she once used the platform for longer-form content, she has since shifted focus to TikTok and Instagram. Despite its inactivity, her YouTube presence still reflects her ability to diversify content across platforms. If reactivated, it could serve as a strong extension of her storytelling abilities.
Her engagement on YouTube is currently 0%, with no new videos in recent months. Unlike TikTok, where short-form content dominates, YouTube requires a more in-depth approach. However, with her experience in video content creation, she has the potential to re-engage her audience. A comeback on YouTube could open new opportunities for growth.
- Username: @justicastro
- Influence Score: 18.8/100
- Followers: 58.7K
- Activity: 0 videos per month
- Engagement Rate: 0%
- Growth (30 days): 0%
- Average Engagement: 0
- Posting Habits: Once a year at 7 PM EST
Justina Castro’s Social Media Influence Summary

With a Favikon Score of 8,937 points, Justina Castro ranks among the top influencers in video entertainment and lifestyle content. She holds the #61 spot in Video Entertainment Argentina (Top 2%), #371 in TikTok Argentina (Top 4%), and #28,174 in TikTok Worldwide (Top 2%). These rankings reflect her strong engagement, humor, and storytelling, solidifying her influence in Argentina’s digital space.
Reachability and Partnerships

Justina Castro’s reachability makes her an attractive influencer for brands looking to engage with young, Spanish-speaking audiences. With a combined following of over 2.6 million, she has a broad and highly engaged fanbase. Her content is interactive and relatable, ensuring strong visibility for sponsored posts. Brands that align with lifestyle, beauty, and relationship-focused products find her an ideal partner.
She has collaborated with well-known brands such as Maybelline New York (5 times), Head & Shoulders LA (1 time), and MatchPub (1 time). These partnerships showcase her ability to promote products in a natural and engaging way. By seamlessly integrating sponsorships into her content, she maintains authenticity while delivering brand messages effectively. Her audience trusts her recommendations, leading to high conversion potential.

Her engagement levels ensure that sponsored content does not go unnoticed, with an engagement rate of 2.28% on TikTok and 3.06% on Instagram. This makes her an effective influencer for marketing campaigns, particularly in beauty and lifestyle sectors. Brands benefit from her strong connection with her followers, who actively interact with her content. Unlike traditional advertising, her sponsored posts feel organic and genuine.
Her availability for brand deals remains high, as she actively participates in influencer marketing campaigns. With an estimated sponsorship rate of $5K - $10K per post, she offers brands a valuable return on investment. Her structured posting schedule ensures timely and consistent brand exposure. As she continues to grow, she presents an excellent opportunity for companies looking to tap into digital influence.
Conclusion: Sharing Stories That Resonate with a Young Audience
Justina Castro’s ability to share life experiences in a relatable way makes her a standout content creator. Her engagement across TikTok, Instagram, and Twitter keeps her audience actively involved in her journey. With a focus on humor, lifestyle, and relationship insights, she remains a key digital voice for young audiences.
View the AI-powered profile
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Jérémy Boissinot is the founder of Favikon, an AI-powered platform that helps brands gain clarity on creator insights through rankings. With a mission to highlight quality creators, Jérémy has built a global community of satisfied creators and achieved impressive milestones, including over 10 million estimated impressions, 20,000+ new registrations, and 150,000 real-time rankings across more than 600 niches. He is an alumnus of ESCP Business School and has been associated with prestigious organizations such as the French Ministry and the United Nations in his professional pursuits.
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