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Email info@apexweb.hu with your question. A screenshot helps.
How many free answers do I get? 3 a day. WristSolve Pro removes the daily limit for normal study use (fair use up to 300 answers a day).
How do I cancel? On your iPhone open Settings, tap your name, then Subscriptions, choose WristSolve Pro and tap Cancel Subscription. Cancel at least 24 hours before the renewal date to avoid the next charge. Deleting the app does not cancel a subscription.
I paid but still see the free plan. Open WristSolve, go to Settings and tap Restore Purchases while signed in with the same Apple ID.
Refunds are handled by Apple at reportaproblem.apple.com.
Snap from the watch does nothing. Keep your iPhone nearby with WristSolve open and pointed at the paper.
WristSolve explains every answer so you learn the method. Please don't use it during tests or exams.