Figma with templates / component libraries. Example for Material Design: https://www.figma.com/community/file/912837788133317724

Balsamiq for simpler wireframes

Figma will fit the bill. You can find device mockups (free or paid) but you will need to edit the template. It's easy to share your mockup (with a URL) with colleagues or clients. They can also add comments to the mockup.

Do you mean static screens of your app? Try SceneShot for Mac, https://apps.apple.com/in/app/sceneshot/id1451459822