MetaGer is described as 'SaaS by the German non-profit SUMA e.V. that provides you with anonymous meta search results' and is an app in the Security & Privacy category. There are more than 50 alternatives to MetaGer for a variety of platforms, including Online / Web-based, Android, iPhone, Firefox and iPad. The best alternative is DuckDuckGo, which is free. Other great apps like MetaGer are Searx (Free, Open Source), Google Search (Free), Qwant (Free) and Startpage (Free).
Searx is a free internet metasearch engine which aggregates results from more than 70 search services. Users are neither tracked nor profiled. Additionally, searx can be used over Tor for online anonymity.
Ecosia is a green search engine that donates at least 80% of its profits from search ad revenue and online shopping to a reforestation program, currently in Burkina Faso. In November 2015 Ecosia celebrated 3 million planted trees and $5 Million donated for the environment.