MediaWiki is a free software wiki package written in PHP, originally for use on Wikipedia.
MediaWiki is not available for iPad but there are a few alternatives with similar functionality. The most popular iPad alternative is Notion, which is free. If that doesn't suit you, our users have ranked more than 50 alternatives to MediaWiki and four of them are available for iPad so hopefully you can find a suitable replacement. Other interesting iPad alternatives to MediaWiki are Nuclino (Freemium), Notejoy (Freemium) and Craft (Freemium).