4th Grade Reading Vocabulary is an iPhone app designed to help children improve their reading and spelling skills. The app is based on the US 4th Grade National Reading Vocabulary List and offers a game-based approach to learning.

With over 1000 words designated as '4th grade reading level', including 900 new words, this app provides a comprehensive learning experience. Each practice test introduces six words, totaling 42 words per week. By using the app, children can learn over 250 words per quarter.

The app's team includes US teachers who are knowledgeable in child development and the latest education techniques. Lessons are tailored to individual students, focusing on their learning curve. Words are organized from most common to least, grouped by similar vowel sounds or reading rule categories. This teaching method has been proven to significantly improve learning speed.

Children who master these words will be reading at approximately a 5th grade level and are likely to score in the top 10% on US 4th Grade National Reading Tests. With 4th Grade Reading Vocabulary, your child can quickly become a reading champion!