Help center

Guides, FAQ and preparation tips

• Getting started with A2STS

  Sign up, verify email and take your first test in 10 minutes.

• A1/A3, A2 and STS — what is the difference?

  Which certificate you need and what to purchase.

• Premium payment and 120-day access

  Pricing, Stripe, invoices and extensions.

• Using the exam simulator

  Timer, pass threshold, review mode and analytics.

• Taking the official NAA exam

  Registration, fees and what A2STS does not include.

• Sign-in, password and Google

  Forgot password, Google account and email changes.

• Refunds and cancellations

  When refunds apply and how to contact us.

• Schools and instructors (B2B)

  Group licences and invoicing for organisations.

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