Plans for every mind.
Choose the plan that fits your learning journey. Unlock full step-by-step solutions, premium tracks, and daily brain training challenges.
Free
Perfect for casual solvers and daily logic practice.
$0
- Unlimited problems
- Full solutions & editorial explanations
- Unlimited practice quizzes
- Unlimited articles
- Unlimited exams
- Daily streak tracking
- Access to community tags
Most Popular
1 Month Premium
Level up your logic — structure, insight, and tools for serious solvers.
$2 /mo
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- Curated learning tracks (SAT, Coding, Brain-training)
- Performance analytics dashboard
- Custom quiz builder (Experimental)
- PDF export of solved sets (Experimental)
- Unlimited bookmarks & collections
- Verified profile badge
- Priority support & early content access
3 Months Plan
Save $2 vs monthly billing.
$4
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- Everything in Premium
- Save $2 vs monthly billing
- Best for steady, standard-paced training
6 Months Plan
Save $5 vs monthly billing.
$7
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- Everything in Premium
- Save $5 vs monthly billing
- Best for long-term logic training & lasting habits
Prices shown in USD.
All plans include daily streak tracking. Single-user license.