A growing portfolio of focused products — each one built to solve a specific problem and generate revenue.
Focused tools that do one thing well.
Release analysis for musicians and AI music creators. Upload your tracks, and the engine tests every possible combination — returning the strongest grouping, track order, and a cohesion confidence score.
cohesionengine.appSandbox HQ is the product arm of Big Dig Energy Ltd — a sole-operator software company based in New Zealand.
Every product starts with a clear problem and a thesis for how to solve it. No feature bloat, no chasing trends. Just focused tools designed to work reliably and generate value from day one.