Writing Wizard - Kids Learn to Write Letters ($0.99 introductory price) Writing Wizard is designed to help every child learn how to trace through a system carefully designed to maintain motivation. The app is fully customizable to suit every child's needs, and lets you check their progress through a system of reports and profiles. From the developers of the awesome app Word Wizard!

Community Picks: Great Apps for Orton-Gillingham - appoLearning

Hand Writing Apps with Katherine

Handwriting applications should be used as a supplement to formal handwriting instruction.

Write My Name (iPad; 3.99) is a handwriting app that provides practice for letter, words and also the ability to practice your name (customizable). Great handwriting app.

This is a well designed app that is very versatile for practicing writing letters, both upper case and lower case. The entire app revolves around the skill of tracing.