Artist from Germany Original Artworks represented by galleries Fine Art Prints available via DM Worldwide Shipping
Martin Köster runs a verified Art brand account based in Germany with 48.4K followers on Instagram. Content spans art and music. Martin Köster has shared 114 posts to date, currently less than one post a week. Engagement runs at 7.88%, or about 3,760 likes and 56 comments per post.
The Art account Martin_koester_art has posted 114 times on Instagram and drawn 48.4K followers.
Among 16,888 Art accounts with 10K–100K followers in the InstME index, Martin_koester_art's 7.88% engagement rate comes in in the top quarter (median: 1.88%).
The comment-to-like ratio works out to one comment per 68 likes, pointing to an audience that mostly engages through likes.
Recent posting activity averages less than one post per week.
Estimated sponsored-post value
$680–$1,300
Based on 48.4K followers and a 7.88% engagement rate, a single sponsored post by Martin_koester_art is worth an estimated $680–$1,300. This is a modeled range, not a quoted rate, actual pricing varies by niche, content format, usage rights and exclusivity.
Audience (estimated)
Est.More women than men · mostly 18–34
Typical for Art creators in Germany, modeled from the niche, not measured for this account.
Content Focus
Primary: Art
Secondary: Music
| Metric | Martin_koester_art | Cohort median |
|---|---|---|
| Engagement rate | 7.88% | 1.88% |
| Average likes | 3,760 | 419 |
| Average comments | 56 | 25 |
| Posts per week | 0.04 | 0.4 |
Median values from 16,888 Art accounts with 10K–100K followers in the InstME index, refreshed Jul 19, 2026.
| Metric | Martin_koester_art | Cohort median |
|---|---|---|
| Engagement rate | 7.88% | 1.61% |
| Average likes | 3,760 | 352 |
| Average comments | 56 | 16 |
| Posts per week | 0.04 | 0.83 |
Median values from 146 Art accounts in Germany with 10K–100K followers in the InstME index, refreshed Jul 19, 2026.
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Last reviewed: Sep 17, 2026
Martin Köster is a verified art brand based in Germany on Instagram, with 48.4K followers.
Martin Köster posts on Instagram as @martin_koester_art.
Martin Köster has 48,405 followers on Instagram (48.4K) as of Sep 17, 2026.
Martin Köster's engagement rate is 7.88%, calculated from average likes and comments per post relative to followers. That is in the top quarter (median: 1.88%) for Art accounts with 10K–100K followers in the InstME index.
Posts by Martin Köster average 3,760 likes and 56 comments.
Martin Köster posts less than once a week on average.
Martin Köster is registered as a business account on Instagram and is verified.
Martin Köster is categorized as an art and music account in the InstME index, based on the profile's bio and Instagram category across 114 posts.
Martin Köster's profile places the account in Germany. Location comes from public profile signals, so treat it as the account's stated market rather than a confirmed address.
Avg Comments
56
Engagement
2.83%
Yes. Martin Köster carries the blue verified badge on Instagram.
A sponsored post from Martin Köster is estimated at $680 to $1,300. This is a model based on audience size and engagement, not a rate card, so real pricing is set by the creator.
