The daily math equation game

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Frequently Asked Questions

How do I sign in?
Solve Sprint uses passwordless login. Enter your email, and we'll send you a magic link. Open the link on your phone to sign in instantly — no password needed.
What does Premium unlock?
Premium is a one-time $1.99 purchase that unlocks past puzzles you've missed, plus their bonus rounds. The daily puzzle and bonus round are always free.
I purchased Premium on another device. How do I restore it?
Sign in with the same email, then open the app menu (☰) → Restore Purchases. Your Premium access is tied to your account and available on any device.
I purchased Premium but don't see access.
Try Restore Purchases from the menu. If that doesn't work, email us with your purchase receipt and we'll sort it out.
How do I delete my account?
Open the app menu (☰) → Remove Account. This deletes your game history and sign-in info permanently.