About this app
Children must develop the fundamental understanding that letters and sounds work together in systematic ways to form words. This understanding provides the foundation for the development of decoding skills. Word work is an essential component of literacy development. Utilizing sound boxes can help children segment sounds in words, which supports reading and writing.
Latest release
What’s New
• Updated to support iOS12 - thank you for your patience. • A few other minor tweaks • As time allows, I'd enjoy hearing how you're using this app in the classroom and at home.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 12, 2026 · 4:54 PM Free