Using wp single login you can easily add the functionality to allow only single login per user.
As of April 2026, Wp Single Login is a WordPress login plugin with 40 active installations and a 5/5 rating from 1 reviews. It has been downloaded 2.8K+ times in total. Requires WordPress 3.6+ and PHP false+. Available on WordPress.org since 2014. Last updated 10 years ago — may have compatibility concerns. Top alternative: WPS Hide Login.
This plugin will automatically logout the already logged in user when a user with the same login details tries to login from different browser or different computer. This plugin needs zero configuration to run. Just install it if you want single login functionality on your site.
This plugin uses wordpress Heartbit API which was implemented in version 3.6 in order to logout users in real time.
| WordPress | 3.6+ requiredTested up to 4.3.34 |
| PHP | false+ required |
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