If you create typography-based graphics, badges, icons, or simple illustrations for print-on-demand, vector software matters. The common question is whether Inkscape is "good enough" or whether Illustrator is still worth paying for.
Why Illustrator still leads
Illustrator is faster, more stable in large production files, and better integrated with the broader Adobe ecosystem. Pen tool work feels smoother, typography controls are stronger, and file exchange with printers is more predictable.
Where Inkscape wins
Inkscape is free, capable, and much better than its reputation suggests. For single-color graphics, outline-based artwork, badge design, and SVG exports for POD platforms, it is more than usable. If budget is tight, it can carry a beginner a long way.
The decision usually comes down to scale. Inkscape is enough to start. Illustrator becomes easier to justify when your design volume, client work, or production complexity increases.