The interface is functional but can feel "cluttered" with advertisements and unintuitive rotation controls. To give you the most accurate review, could you clarify:
For most users, remains the gold standard because it is open-source, completely free, and has an extremely high compression ratio. Up3zip
If you are on an iPhone or iPad, the app is highly rated for its ability to handle complex file types that the built-in Apple Files app often struggles with. The interface is functional but can feel "cluttered"