Haza support

Contact Maxim Chupilkin at max@artificial-experiments.com for app problems, source corrections and purchase questions.

Your progress

Citizenship and residence progress are separate. Use Settings to export both paths before changing devices or removing the app. You can restore a Haza backup after reviewing the replacement notice.

Purchases

Haza Premium is a monthly auto-renewable subscription unlocking all chapters and questions in both paths, all speaking topics, unlimited timed practice and no advertising. Manage or cancel renewal through your store account. Access continues until the paid period ends. Your learning progress is kept after expiry. Use Restore purchases on devices using the original store account. Refund requests follow the store’s procedures.

Study content

Haza provides independent practice from public official sources. It does not issue certificates, determine immigration eligibility or guarantee an exam outcome. Questions and study notes cite their supporting materials.