Simplex Spelling-Advanced Phonograms is a beautifully designed educational app, which will help upper elementary students learn advanced phonics skills, such as syllable rules, contractions and vowel combinations. There are many ways to customize the lessons for multiple users. You can set the volume level, choose American or British spellings, upper or lower case letters, and a qwerty or alphabetical keyboard. Each lesson contains explanations and helpful phonics hints so that children will be successful. Detailed reports show the number of correct attempts for each skill. With 52 lessons, and multiple ways to customize the learning for individual students, Simplex Spelling delivers a very powerful learning tool. Highly recommended for classroom teachers, special educators and parents.