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 lifetime access
Pricing, Stripe, invoices and one-time payment.
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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