Extremely. Ten apps hold 86.2 percent of all 9.03 million installs across Miro's 255 listed apps, the most concentrated marketplace of the twenty measured here. The median app has 865 installs, and Miro itself publishes 76 of the 255. Measured September 2026 across the full catalogue.
| Marketplace | Share held by the ten largest apps |
|---|---|
| Miro | 86.2% |
| Zapier | 41.1% |
| Discord | 40.7% |
| monday.com | 23.4% |
9.03 million installs are spread across 184 apps that publish a count, and ten of them hold almost nine tenths. This is the sharpest concentration in the whole collection.
| Percentile | Installs |
|---|---|
| 10th | under 100 |
| 25th | 108 |
| 50th (median) | 865 |
| 75th | 5,500 |
| 90th | 57,000 |
| Highest | 3,250,000 |
| Installs | Apps | Share of the 184 with a count |
|---|---|---|
| 100,000 or more | 11 | 6.0% |
| 10,000 or more | 36 | 19.6% |
| 1,000 or more | 85 | 46.2% |
| 100 or more | 184 | 100% |
44 apps display "fewer than 100" rather than a number. The median at 865 is higher than monday.com's 201 and HubSpot's 60, so the middle of this marketplace is not unusually small; it is the top that is unusually large relative to it.
| Publisher | Apps |
|---|---|
| Miro | 61 |
| Miro Labs | 15 |
| Plus UI Design | 8 |
| IT-TUN | 3 |
76 of 255 apps, about 30 percent, are published by Miro itself. 157 distinct publishers appear in total, so outside Miro the typical publisher has one app.
180 apps carry a rating and 75 carry none. The median rated app has 3 reviews and the most reviewed app in the entire marketplace has 41. The median rating is a perfect 5.0 and the lowest is 1.0. With numbers this small a rating separates almost nothing.
On 2026-09-08 we opened Miro's marketplace "All apps" page, which renders every listing at once, and read the 255 distinct app cards from the rendered page. Each card carries the app name, the publisher, a rating with its review count, and an install count. Install counts are shown rounded and abbreviated, and where a card shows "fewer than 100" that is recorded as 100.
The page is client rendered, so a plain HTTP fetch returns only part of the list. It has to be read after rendering.
The figures on this page are free to quote and republish with attribution (CC BY 4.0). The same numbers in machine readable form: miro-marketplace.json.
sellerkit, “Miro marketplace size and concentration, 2026”, 2026-09-08. https://legal.sellerkit.workers.dev/data/miro-marketplace