Simple plans
Start free. Upgrade when you want.
Free gets you reading in seconds — no card required. But ScholarThread comes into its own on Pro: bigger storage, zero ads, priority support and the full research toolkit as it ships. Upgrade the moment you're hooked.
Compare plans
Every plan includes the same reading, note-taking and citation surface.
| Feature | Anon no signup | Free with account | ProRecommended subscription |
|---|---|---|---|
| Native web + iOS + Android apps | |||
| Local PDFs and paper uploads | |||
| Highlights and notes | |||
| Full-text search across your library | |||
| Citation export (BibTeX, RIS, CSL) | |||
| OpenAlex metadata enrichment | |||
| PDF + EPUB reader | |||
| Zotero import (read-only) | |||
| Zotero import (write-back) | |||
| PDF storage | local only | 100 MB in cloud | 10 GB in cloud |
| Sync across devices | |||
| Ads on the app shell | yes | yes | removed |
| Grounded chat over your libraryPlanned | limited | included | |
| Viva coach modePlanned | limited | included | |
| Priority support |
Rows marked Planned are on theroadmapand are not available yet. They'll go live for every tier as they ship, with Pro getting the higher usage caps.
Something not clear?
The FAQ covers the most common questions about integrations, plans and data.