123s ABCs Preschool Learn HWOTP Kids Handwriting is a free iPhone app developed by TeachersParadise.com Inc. It is a handwriting practice tool designed for kids to learn their numbers and letters in both print and manuscript styles. With over 150,000 downloads worldwide, this app offers an interactive and engaging way for children to practice their handwriting skills.

The app features 26 uppercase letters handwriting practice activities, 26 lowercase letters handwriting practice worksheets, and numbers from 0 to 9. It also includes fun shapes and allows users to choose from multiple thickness options for their writing.

123s ABCs Preschool Learn HWOTP Kids Handwriting uses the Handwriting Without Tears® handwriting style, making it a valuable supplement to workbook publishers' materials. The app provides a trace and hear feature, allowing kids to trace the letters and hear the corresponding sounds. It also offers a shake-to-erase function for easy correction.

Please note that this app does not test for accuracy. It is suitable for children aged 1 and above and is available in US English.

Overall, 123s ABCs Preschool Learn HWOTP Kids Handwriting is a user-friendly and effective app for young learners to practice their handwriting skills in a fun and interactive way.