On Instagram, Sofía is a Fitness creator with an audience of 21.1K. To date Sofía has posted 108 times, currently around 2 posts a week. Engagement runs at 4.36%, or about 903 likes and 18 comments per post.
With 21.1K followers across 108 posts, Sofiasierra8 is one of the Fitness accounts tracked in the InstME index.
Against 6,024 Fitness accounts with 10K–100K followers in the InstME index, Sofiasierra8's 4.36% engagement rate lands above the median of 2.04%.
For roughly every 51 likes there is one comment, a healthy amount of conversation.
Sofiasierra8 keeps a posting cadence of about one post per week.
Quality checks give Sofiasierra8 94/100; around 5% of the audience appears low-quality or inactive, a strong signal of genuine reach.
Estimated sponsored-post value
$300–$550
Based on 21.1K followers and a 4.36% engagement rate, a single sponsored post by Sofiasierra8 is worth an estimated $300–$550. This is a modeled range, not a quoted rate, actual pricing varies by niche, content format, usage rights and exclusivity.
Audience Health
~5% of followers look low-quality or inactive.
View Full AuditThere’s more behind this audience. See what the full audit reveals.Audience (estimated)
Est.| Metric | Sofiasierra8 | Cohort median |
|---|---|---|
| Engagement rate | 4.36% | 2.04% |
| Average likes | 903 | 523 |
| Average comments | 18 | 23 |
| Posts per week | 1.95 | 0.28 |
Median values from 6,024 Fitness accounts with 10K–100K followers in the InstME index, refreshed Jul 19, 2026.
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Last reviewed: Sep 19, 2026
Sofía is a fitness creator on Instagram, with 21.1K followers.
Sofía posts on Instagram as @sofiasierra8.
Sofía has 21,113 followers on Instagram (21.1K) as of Sep 19, 2026.
Sofía's engagement rate is 4.36%, calculated from average likes and comments per post relative to followers. That is above the median of 2.04% for Fitness accounts with 10K–100K followers in the InstME index.
Posts by Sofía average 903 likes and 18 comments.
Sofía posts about 2 times per week on average.
InstME's audience-quality analysis estimates about 5% of Sofía's followers are low-quality or inactive, giving an audience-quality score of 94/100.
Sofía is registered as a creator account on Instagram.
Total Posts
108
Avg Comments
18
Predominantly men · mostly 18–34
Typical for Fitness creators, modeled from the niche, not measured for this account.
Content Focus
Primary: Fitness
Engagement
0%
Sofía is categorized as a fitness account in the InstME index, based on the profile's bio and Instagram category across 108 posts.
A sponsored post from Sofía is estimated at $300 to $550. This is a model based on audience size and engagement, not a rate card, so real pricing is set by the creator.