Andrei

With <a href="https://layered.market/plugins/if-widget" rel="nofollow ugc">If Widget</a> you can control on which pages widgets are shown. Show or hide widgets with custom visibility rules (no PHP or technical knowledge required).
The plugin is easy to use, each widget will have a new option “Show widget only if” which will enable the selection of visibility rules (example in Screenshots). Visibility rules can be combined with <code>AND</code>/<code>OR</code> to create even more personalised visibility options.
<h4>Examples</h4>
<ul>
<li>Display a widget only if User is logged in</li>
<li>Hide widgets if Is mobile device <code>OR</code> Visitor is from US</li>
<li>Display widgets only for Admins and Editors</li>
<li>Hide Login or Register widgets for Logged in Users</li>
<li>Show widget only for Admins <code>AND</code> Is not mobile device</li>
</ul>
<h4>Visibility Rules</h4>
These are the visibility rules you can add for widgets:
<ul>
<li>User state: <code>User is logged in</code></li>
<li>User role: <code>User is Admin or Editor</code> (plus all the available roles)</li>
<li>User registration: <code>User registration is allowed</code></li>
<li>Post type: <code>Current post type is Post or Product</code></li>
<li>Page type: <code>Current page is Front Page or Blog Page</code></li>
<li>URL: <code>Current URL starts/ends with "this-page"</code></li>
<li>URL: <code>Current URL contains with "keyword"</code></li>
<li>Device detection: <code>Is mobile device</code></li>
<li>Visitor location: <code>Visitor is from US or Spain</code> ✱</li>
<li>Visitor language: <code>Visitor language is English or Spanish</code> ✱</li>
<li>Third-party plugin integrations: <code>Show if user is in Group "Group Name"</code>, <code>Show if user has Subscription "Example Subscription"</code> and more ✱</li>
</ul>
<h4>More Visibility Rules Add-on</h4>
The paid Add-on provides more visibility rules and priority support. 
Visibility Rules: unlock all visibility rules like: visitor location, membership status, user groups and more. A few examples are marked with ✱ above. 
Support: get one-on-one email support for any questions you may have about installing and configuring our plugins. 
Get <a href="https://layered.market/plugins/more-visibility-rules" rel="nofollow ugc">More Visibility Rules</a>.

If Widget – Visibility control for Widgets

Control what widgets your site’s visitors see, with custom visibility rules

Newnab

WordPress Quest allows you to add ‘Quests’ to your site, granting users points and named achievements for certain interactions. Want to reward users for visiting a certain page of your site a number of times? It can be done! Hopefully the plugin will expand soon with more options for rules and quests.

WordPress Quest

WordPress Quest allows you to add 'Quests' to your site, granting users points and named achievements for certain interactions

If Widget – Visibility control for Widgets vs WordPress Quest