Bummer. I love and use instapaper, gathering articles for a few weeks to read at altitude. It's a great product, and I paid for a subscription these last years in the hopes that I could therefore continue to enjoy it. Now it's sold to Pinterest, one of the two sites I don't bother with links to—because I know Pinterest and Quora will require me to sign in rather than show me what they showed a search engine. What els…
It does require iCloud but nothing beyond that.