Credits 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.

CHECKING CHECKOUT AVAILABILITY

Flexible amount

Build your own pack

Pick 20 to 1,000 whole credits at $0.25 per credit.

credits
20 credits1,000 credits

Use the slider, arrow keys, or type an exact whole number.

Your custom price

$5.00

20 credits · 20 Full Gap Analyses

20 × $0.25 per credit. Prices are in USD. Checkout shows the final charge, including any applicable tax, before payment.

Same credits, lower pack price

Custom $5.00 · 20-credit Special Pack $3.50.

Choose the 20-credit Special Pack

Fixed-price deals

Special Packs

Discounted prices for these exact credit amounts.

01

Special Pack

20 credits

$3.50

Custom $5.00 · Pack $3.50

20 Full Gap Analyses. Purchased credits remain available until spent.

02

Special Pack

75 credits

$12.50

Custom $18.75 · Pack $12.50

75 Full Gap Analyses. Purchased credits remain available until spent.

03

Special Pack

150 credits

$22.50

Custom $37.50 · Pack $22.50

150 Full Gap Analyses. Purchased credits remain available until spent.

Prices are in USD. Checkout shows the final charge, including any applicable tax, before payment. Your card provider may add conversion fees.

Access levels

Start free. Upgrade only when needed.

01

Explore

Guest

Free

Quick Search for paper retrieval and basic ranking. Guest access and retention remain limited.

1 Quick Search / rolling 24 hours
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 Google

Compare access

What changes when you sign in?

Access comparison
CapabilityGuestGoogle account
Quick SearchIncludedIncluded
Rolling Quick Search limit1 / 24h10 / 24h
Saved analysis historyBrowser sessionYes
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.