noun
user experience; feel during use; impression after trying
Refers to the subjective feel, usability, or overall impression of a product while using it or after trying it out. Common in reviews and product descriptions.
このスマホの使用感はとても良い。
The user experience of this smartphone is very good.
実際に使ってみた使用感をレビューします。
I will review the feel of it after actually trying it out.
noun
signs of use; wear and tear
Describes visible marks, scratches, or deterioration that show a product has been used. Often used in the context of second-hand items.
中古品ですが、使用感はほとんどありません。
It's a used item, but there are almost no signs of use.
ユーザビリティ is a technical term for usability, often in UI/UX contexts. 使用感 is more general and subjective.
Compound of 使用 (use) and 感 (feeling, sensation).