What's the best inspiration collector for designers?

Does there exist a Mac + android/iOS tool for collecting and cataloging inspiration images, screenshots etc. My primary use case as a UX designer is screenshotting great-designed apps and saving those screenshots for later inspiration (as well as saving stuff I find on behance and dribbble). Had started off using Pinterest but its categorisation system is too restrictive for me (I like tags, not folders/boards). Switched over to Inboard some time back and it is great as a desktop app but it too has significant cons (no mobile apps, its substitute for the "pin it" button for chrome is very buggy and almost never works)
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  1. 1
    Moodboard

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    Sam Dickie
    Sam DickieProduct Manager Maker NoCode & BetaTesta · Written
    Really simple UI. No login required. Provides a blank canvas or some templates to get you started 🤘🏼
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  2. Raindrop is like Pinterest. You can save just about anything including bookmarks, videos, and images, which can be shared and collaborated upon.
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