Certify vs Ultra
Two WordPress themes head to head: ranking, active installs, downloads and ratings, from our daily tracking of the WordPress.org directory.
At a glance
Ultra leads the WordPress.org popular list today at #698, ahead of Certify at #3,396. Over the last 7 days Ultra climbed 6 places and Certify climbed 7 places. Ultra has the largest install base, roughly 8× the next: 4K+ active installs against 500+ for Certify. Downloads this week: Ultra 202 and Certify 31. Ratings: Certify 5★ from 3 and Ultra 4.9★ from 32 reviews.
| Metric | Certify | Ultra |
|---|---|---|
| Popular rank today | #3,396 ▲ 7 | #698 ▲ 6 |
| Active installs | 500+ | 4K+ |
| Downloads, last 7 days | 31 | 202 |
| Rating | 5★ (3) | 4.9★ (32) |
| Type | Classic theme | Classic theme |
| Last updated | Apr 17, 2026 | May 27, 2026 |
| Current version | 1.5.1 | 1.6.8 |
| Best rank on record | #3,268 | #695 |
| Days in the top 50 | 0 | 0 |
| On WordPress.org since | Apr 2018 | Mar 2015 |
Highlighted cells mark the strongest figure in each row. Rank and installs are from the latest WordPress.org capture; downloads are the last seven captured days.
Ranking history Lower is better
Active installs
Downloads per day
More comparisons
Frequently asked questions
Which is more popular, Certify or Ultra?
By active installs, Ultra: 4K+ sites run it against 500+ for Certify, according to WordPress.org figures captured on October 28, 2026.
Which ranks higher on WordPress.org, Certify or Ultra?
Ultra, at #698 on the WordPress.org popular themes list today, with Certify at #3,396. The ranking reflects recent installs and moves daily, which is why this page shows the history rather than one snapshot.
Is Certify a block theme or a classic theme? And Ultra?
Certify is a classic theme, Ultra is a classic theme. Block themes are built for the Site Editor; classic themes use the Customizer and widget areas.
Where do these numbers come from?
WordPress.org publishes each theme’s active install count and its position on the popular list. This site records both every day, along with per-day downloads and ratings, so the charts above show how the themes have moved over time rather than a single day.