Choose a plan,
pay monthly.

Cancel any time from your account page. We hold the rate you signed up at for as long as the plan is active.

Choose your plan

Three honest options.

Riemann

For regular learners — 50 sessions, 3 LLM keys, web search.

$9/ month

Descartes

For serious students — 200 sessions, 5 LLM keys, exam mode, priority support.

$19/ month

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Total due today

$9.00 USD

Your subscription starts today. You will be charged monthly until you cancel. Manage everything from the account page.

Cancel any time. No long-term contracts. If you cancel within 14 days of a first paid plan, we will refund the period — write to help@addtech.site.

Choose a plan,pay monthly.

Choose a plan,
pay monthly.