scopeBILLING.PRICING trial30 days Pro currencyInternational pricing statepublic lab · free access
Atomurus Pro § pricing

Upgrade for focus, continuity and guided study.

Atomurus keeps the public chemistry web open. Pro is for the people who want an ad-free study desk, saved progress, richer exports and guided study tools in one workspace.

30-day trial applies to new accounts

Prices are auto-selected by country and language. You can switch before checkout.

§ 01 Plans

Free forever

Free

R$0open chemistry reference · ads supported
    Open lab
    Pro monthly

    Pro Monthly

    US$10flexible plan · cancel anytime

    billed monthly

      Open workspace
      Best value

      Pro Annual

      US$60lower monthly equivalent · billed yearly

      US$5/month · billed annually

      2 months free equivalent

        § 02 Why Pro exists

        § 03 What stays free

        Atomurus will keep the SEO and classroom-facing surfaces open: periodic table, element pages, articles, basic calculators and simple simulations. Billing should never become a gate in front of chemistry fundamentals.

        § 04 What Pro is building toward