CaseTwinby Mentem

Pricing

Paid plans are not open yet.

A Free account includes part of the library. Core covers the complete main library; Plus adds advanced cases. Planned prices are in US dollars.

Free

$0Free account

  • 21 course lessons and 32 main cases
  • 436 skill exercises
  • 6 behavioural lessons and all framing tasks
  • Worked answers, calculation checks and self-review for included practice
  • Saved preparation and recruiting tools
Continue free

Core

$5per month

  • Everything in Free
  • Complete main library: 42 course lessons, 63 main cases and 871 skill exercises
  • All 12 behavioural lessons
  • Ad-free reading and review
  • Limited monthly AI review, planned

Plus

$10per month

  • Everything in Core
  • Commercial decisions: 20 advanced cases and 72 companion exercises
  • More monthly AI review, planned
View the Plus cases

Themed case pack

$5one-time purchase

A one-time purchase would cover a named fixed pack, owned separately from a subscription. Its contents will be listed before purchase.

A pack alone would not include site-wide ad-free access or AI review.

Before you choose

What can I use free?

The 30-question diagnostic, firm guides, city guides and resources are public. A Free account saves your preparation and includes the practice listed above, all 24 framing tasks and recruiting tools. No card is required.

Before signing up, you can preview one lesson, one case in either interview format and five skill exercises.

Would both subscriptions remove ads?

Yes. Core and Plus would both include ad-free access. Free reading and review pages may carry ads in future; ads are currently off.

Which plans would include AI review?

AI review is planned for an active Core or Plus subscription. Core would include a limited monthly allowance; Plus would include more. Allowances and usage limits will be published before subscriptions open.

Included practice comes with worked answers, calculation checks and self-review. AI review is separate from those tools.

How would a case pack differ from Plus?

A fixed pack would be owned separately. Plus would provide access to its additional case bank while the subscription is active. AI review would require an active paid subscription.