# Product goal Termux Janitor enables users to understand and reclaim storage space on their phones from within Termux. It is: - pleasant to use; - fast and responsive; - safe by default; - intuitive without hiding important details. Users can understand proposed storage changes before authorizing them and confidently verify what happened afterward. `Fast and responsive` is not a subjective claim: responsiveness is the registered input-acknowledgement and turn bounds in [`LIMITS.md`](LIMITS.md), and speed is budgeted in [`PERFORMANCE.md`](PERFORMANCE.md). [`PRODUCT.md`](PRODUCT.md) defines the binding behavior and safety guarantees that realize this goal.