Plant cell biologist at the Charles University and the Institute of Experimental Botany, Prague, CZ. Microphotographs are a byproduct of my research
Outreach This Creator For FreeJan Martinek is an Education creator on Instagram, tracked in the InstME index with 19K followers. To date Jan Martinek has posted 121 times, currently less than one post a week. Engagement runs at 2.86%, or about 541 likes and 4 comments per post.
As an Education account, Plant_microverse reaches 19K followers on Instagram across 121 published posts.
Among 962 Education accounts with 10K–100K followers in the InstME index, Plant_microverse's 2.86% engagement rate comes in above the median of 1.3%.
Roughly one in 141 likes comes with a comment, an audience that mostly engages through likes.
Recent posting activity averages less than one post per week.
Plant_microverse comes in at 94/100 for audience quality, with 5% of followers estimated low-quality or inactive, a strong signal of genuine reach.
Estimated sponsored-post value
$190–$350
Based on 19K followers and a 2.86% engagement rate, a single sponsored post by Plant_microverse is worth an estimated $190–$350. 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 | Plant_microverse | Cohort median |
|---|---|---|
| Engagement rate | 2.86% | 1.3% |
| Average likes | 541 | 368 |
| Average comments | 4 | 8 |
| Posts per week | 0.17 | 1.06 |
Median values from 962 Education accounts with 10K–100K followers in the InstME index, refreshed Jul 19, 2026.
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Last reviewed: Jul 16, 2026
Jan Martinek is a education creator on Instagram, with 19K followers.
Jan Martinek posts on Instagram as @plant_microverse.
Jan Martinek has 19,029 followers on Instagram (19K) as of Jul 16, 2026.
Jan Martinek's engagement rate is 2.86%, calculated from average likes and comments per post relative to followers. That is above the median of 1.3% for Education accounts with 10K–100K followers in the InstME index.
Posts by Jan Martinek average 541 likes and 4 comments.
Jan Martinek posts less than once a week on average.
InstME's audience-quality analysis estimates about 5% of Jan Martinek's followers are low-quality or inactive, giving an audience-quality score of 94/100.
Jan Martinek is registered as a creator account on Instagram.
Jan Martinek is categorized as an education account in the InstME index, based on the profile's bio and Instagram category across 121 posts.
Total Posts
121
Avg Comments
4
Roughly balanced · mostly 18–34
Typical for Education creators, modeled from the niche, not measured for this account.
Content Focus
Primary: Education
Engagement
2.23%
A sponsored post from Jan Martinek is estimated at $190 to $350. This is a model based on audience size and engagement, not a rate card, so real pricing is set by the creator.
