I have EndNote 21 on my computer which I bought during the last year 2024. I also have the EndNote web:
You need to contact Clarivate, but I doubt Endnote2025 will be free – … and they will be able to tell you if there is an android app, too, but I only see iphone/ipad on their website.
https://clarivate.com/academia-government/training-support/#endnote.