Maalos is a Haredi Jewish monthly publication. The editors have a distinct Yiddish spelling and grammar, and a distinct graphic layout. Many of the articles are written with the goal of fighting against modern assimilation. They also have articles discussing education and Psychology.
The main difference between Maalos and Beleichtungen, is that the former is intended for scholarly readers, while the latter is intended for a more general audience. Maalos also has a column discussing spelling and grammar.
References
Maalos Wikipedia(Text) CC BY-SA