TrialFirst-time users
$010 questions
Practice as much as you need.
Pay only for the questions you actually try.
StarterTry before exam week
$425 questions
⭐ Most Popular
StudentOne course, full prep
$11100 questions
Save 31%
SemesterMulti-course / heavy users
$27300 questions
Save 44%
Every pack includes
- checkSigmund AI tutor
- checkAll courses
- checkPen-tool handwriting evaluation
- checkDetailed feedback per attempt
- checkSkipped questions don't count
- checkCredits valid 12 months
How it works
1 question = one submitted answer. Skipping is free. Talking with Sigmund while you work on a question is included.
Inside the app, your balance is shown as SIG (1 SIG = 1 question).
FAQ
What happens when I run out?
Buy another pack — no commitment.
Do credits expire?
Yes, 12 months from purchase.
Can I get a refund?
Unused credits are refundable within 14 days.
Student discount?
Trial pack on signup — no .edu required.