Wordchain 4 NZ is a comprehensive reading program developed by Agility With Sound for Android users. It is a part of Betsy Sewell's "Agility With Sound" program, which aims to build capable and confident readers. This NZ version uses Kiwi pronunciation, and future releases will include other accents.

The software provides practice in mastering various sounds and words, including ou sounds, tch words, dge words, u and e, ur, ir and ear, ore, are, air, ear words, aw-ew-ow, oi, and au. The program is designed to help users improve their reading skills by providing them with a comprehensive set of tools and exercises to practice with. With its user-friendly interface, Wordchain 4 NZ is easy to navigate and accessible for users of all ages and reading levels.