The Daily Mass app provides you with the daily readings Missal of the Catholic Church.s directly on your phone. It also allows you to the readings for other days.
The term "missal" is also used for books intended for use not by the priest but by others assisting at Mass. These books are sometimes referred to as "hand missals" or "missalettes", while the term "altar missal" is sometimes used to distinguish the missal for the priest's use from them. Usually they omit or severely abbreviate the rubrical portions and Mass texts for other than the regular yearly celebrations, but include the Scripture readings.
Plain simple to use and free, get the Daily Missal with no hazzle