Yonmoku: 3D Four in a Row
Four in a row, in three dimensions. Two people, one phone.
Squeeze: The Estimation Duel
A head-to-head estimation duel for two players on one iPhone or iPad.
Vitality Weeks
Your life in weeks. See every week at a glance.
HighSchoolTrends
.org Free multi-year trend data for 30,000+ US high schools.