Plans
Pay for the intelligence, not the PDF
All plans read the same explanations and sources. Paid plans make PaperFren yours: Discover ranked by what you follow, a weekly email of what moved, projects, and question monitors when evidence on a claim changes.
Free
Follow a few threads and keep a small library.
$0
No card needed
- Read every discovery and concept page, with sources
- Search the indexed papers and ask grounded questions
- Save up to 25 papers and upload 3 private PDFs
- Follow 3 topics and 5 concepts
- In-product weekly digest
Student
Researcher tools at a campus price.
$7 / month
Billed $84 a year
- Same Researcher tools: personalized Discover, digest email, projects, question monitors
- Priced for .edu / .ac school emails (verified at checkout)
- Save 500 papers and upload 40 private PDFs
- Follow 40 topics and 80 concepts
- 5 question monitors when evidence on a matching claim moves
- 14-day trial with card on file
Use a school email (.edu / .ac.*) at signup. Card required at checkout.
Researcher
See what changed in the research you follow.
$14 / month
Billed $168 a year
- Discover ranked by what you follow and save
- Shown when a development is about a paper you saved
- A weekly email of evidence changes in concepts you follow
- Projects: one question, the studies that bear on it, and a reference list in APA or BibTeX
- 5 question monitors when evidence on a matching claim moves
- Save 500 papers and upload 40 private PDFs, readable by Ask PaperFren
- Follow 40 topics and 80 concepts
Card required at checkout. Cancel during the trial and you won't be charged.
Pro
Monitor a question as the evidence moves.
$23 / month
Billed $276 a year
- Everything in Researcher
- 25 question monitors when evidence on a matching claim moves
- Save 2,000 papers and upload 150 private PDFs
- Follow 100 topics and 200 concepts
- Up to 50 projects
- Ask 800 grounded questions a month
Card required at checkout. Cancel during the trial and you won't be charged.
PaperFren never sells access to papers; every study it explains is open access, and the original is linked from every page. Plans are independent of any other Fren subscription and can be cancelled from Settings. Student and Researcher unlock the same product tools; Student is the campus price for school emails.