This site has lots of fun reading and thinking games for ages 3-12.
This is a free app that teaches
grade 3,4,and 5 students to be "close readers". There are interesting
stories with comprehension questions that follow. This is a free app,
but it does have offers in app to buy grade level specific stories.
Spelling City is both a free
and a paid site. The "free" side of the site offers lots of fun
activities for students to work with spelling games and puzzles. There
is a downloadable App, also.