This set of comprehensive, educational, low cost apps was developed by Dr. Gary Moser, who has a doctorate in Reading and over 20 years experience tutoring struggling readers. Formal research conducted by BYU showed large improvement to fluency and comprehension and some improvement in spelling on a standardized test.
Have your student take the free diagnostic. Then download only the levels you need. This app will help you target learning for each individual allowing them to catch up with their peers. Each lesson lasts about 15 minutes.
Students in 3 grade or older should use level 1, as opposed to Level 1a and 1b, which have been made especially for younger students.
Level 3 includes 10 groups of silent letters.