About this app
BlackBoard is a simple, fun drawing app that lets you doodle on a chalkboard using your finger — just like real chalk. Features: • Draw with 4 chalk colors: pink, red, green, and blue • Eraser tool to wipe away your drawing • Adjustable line width with an easy slider • Clear the whole board with a single tap • Save your artwork to Photos with one tap Great for quick doodles, kids' drawing fun, note sketches, and idea sketching — anytime, anywhere.
Latest release
What’s New
bug fixed.
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 21, 2026 · 4:34 AM Free
Screenshots
