Apps similar to Synapse Lens include PubMed.gov, which is free. Other options are Scholarcy. Between them they cover the web.
PubMed comprises more than 23 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full-text content from PubMed Central and publisher web sites.
Scholarcy is a web-based summarization tool for academic articles. It uses artificial intelligence to create flashcards, highlight key findings, and generate summaries, helping students and researchers quickly digest complex content.
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