WPO365 | Mail Integration for Office 365 / Outlook vs Kadence Mail
Two WordPress plugins head to head: ranking, active installs, downloads and ratings, from our daily tracking of the WordPress.org directory.
These aren’t all alternatives to each other — they do different jobs — so this page compares popularity only, not features.
At a glance
Kadence Mail leads the WordPress.org popular list today at #667, ahead of WPO365 | Mail Integration for Office 365 / Outlook at #5,214. Over the last 7 days Kadence Mail held its place and WPO365 | Mail Integration for Office 365 / Outlook slipped 17 places. Kadence Mail has the largest install base, roughly 60× the next: 60K+ active installs against 1K+ for WPO365 | Mail Integration for Office 365 / Outlook. Downloads this week: Kadence Mail 1,119 and WPO365 | Mail Integration for Office 365 / Outlook 66. Ratings: WPO365 | Mail Integration for Office 365 / Outlook 4.9★ from 26 and Kadence Mail 4.2★ from 52 reviews.
| Metric | WPO365 | Mail Integration for Office 365 / Outlook | Kadence Mail |
|---|---|---|
| Popular rank today | #5,214 ▼ 17 | #667 ▬ |
| Active installs | 1K+ | 60K+ |
| Downloads, last 7 days | 66 | 1,119 |
| Rating | 4.9★ (26) | 4.2★ (52) |
| Last updated | Jun 20, 2024 | May 12, 2026 |
| Current version | 1.9.2 | 3.0.0 |
| Best rank on record | #5,110 | #654 |
| Days in the top 50 | 0 | 0 |
| On WordPress.org since | Nov 2020 | Nov 2012 |
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
- WPO365 | Mail Integration for Office 365 / Outlook vs Gmail SMTP
- WPO365 | Mail Integration for Office 365 / Outlook vs Login for Google Apps by WPAuth
- WPO365 | Mail Integration for Office 365 / Outlook vs JWT Authentication for WP-API
- WPO365 | Mail Integration for Office 365 / Outlook vs Check & Log Email - Easy Email Testing & Mail logging
- Kadence Mail vs Check & Log Email - Easy Email Testing & Mail logging
- Kadence Mail vs Email Deliverability - SMTP Replacement, Email API Deliverability & Email Log
- Kadence Mail vs WP Mail Logging
- Kadence Mail vs GoSMTP
Frequently asked questions
Which is more popular, WPO365 | Mail Integration for Office 365 / Outlook or Kadence Mail?
By active installs, Kadence Mail: 60K+ sites run it against 1K+ for WPO365 | Mail Integration for Office 365 / Outlook, according to WordPress.org figures captured on October 18, 2026.
Which ranks higher on WordPress.org, WPO365 | Mail Integration for Office 365 / Outlook or Kadence Mail?
Kadence Mail, at #667 on the WordPress.org popular plugins list today, with WPO365 | Mail Integration for Office 365 / Outlook at #5,214. The ranking reflects recent installs and moves daily, which is why this page shows the history rather than one snapshot.
Are WPO365 | Mail Integration for Office 365 / Outlook or Kadence Mail alternatives to each other?
Not all of them. Some of these plugins do different jobs and many sites run more than one. This page compares their popularity, not their features.
Where do these numbers come from?
WordPress.org publishes each plugin’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 plugins have moved over time rather than a single day.