Switch only if that is not the job. Retrieval of a messy mixed library is a different product.
Ranked by job
Markwisethis site
Best for: Asking a library of links, notes, and video moments
Cheaper Pro, Copilot across saves, Focus Sessions. Loses on RSS, TTS, ebook reading, and highlight export to Obsidian.
Markwise vs ReaderMatter
Best for: Listening instead of Ghostreader-on-a-page
TTS-first. Weaker as a second brain.
Markwise vs MatterInstapaper
Best for: Less product, lower price
If Reader felt like too much app.
Markwise vs Instapaper
Questions
Is Markwise a Readwise killer?+
No. Readwise's Daily Review and export graph are the product. Markwise is for people who save more than they finish and need to find it again.