Compare and contrast Christianity and Islam

There are many similarities between Christianity and Islam, here are three of them:

1. Both say that there is One God.
2. And that God is sovereign, he rules history.
3. Both believe in a Heaven and Hell and God's future judgment.

There are many differences between Christianity and Islam, here are three of them:

1. Christians believe in the Trinity; Muslims believe God is indivisible.
2. Christians believe that as a member of the Trinity, Jesus is the Son of God. Muslims believe that Jesus was conceived by an act of God and though not the Son of God, is like Muhammad, a highly respected Prophet.
3. Christians believe that when we die, we are immediately judged and sent to Heaven or Hell (or Purgatory in the Catholic faith, where Christian souls can do penance to prepare for Heaven and non-Christians can languish until the final Judgment Day). Muslims believe in barzakh, an interim afterlife similar to Purgatory, where spirits wait Judgment Day.