01
Explore
Guest
Free
Quick Search for paper retrieval and basic ranking. Guest access and retention remain limited.
1 Quick Search / rolling 24 hoursCredits and access
Buy only the analyses you need.
One Full Gap Analysis costs one credit. A credit is reserved before submission, charged when a usable result completes, and returned when an analysis fails or is cancelled.
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Purchased credits do not renew and are not time-limited.
No subscriptions. No monthly commitment. Buy analyses when you actually need them. Revolutionary stuff, apparently.
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02
Build a history
Google account
Free to join
Saved history and 2 introductory Full Gap Analysis credits, granted once per verified identity.
Continue with GoogleCompare access
What changes when you sign in?
| Capability | Guest | Google account |
|---|---|---|
| Quick Search | Included | Included |
| Rolling Quick Search limit | 1 / 24h | 10 / 24h |
| Saved analysis history | Browser session | Yes |
| Full Gap Analysis | — | 1 credit |
| Purchased-credit expiration | — | No time limit |
Full text depends on access
When open full text is unavailable, analysis falls back to abstracts or metadata and reports that coverage honestly.