The AI tutor with a secret identity.
Have a question, found a bug, or need help? We read every message and aim to respond within 24 hours.
✉ support.flashstacks@gmail.comOpen Decoy AI and tap the upload zone on the home screen
Take a photo of your question or choose one from your library
Tap Solve — your step-by-step explanation will appear in seconds
Tap any step and ask a follow-up question if you need more explanation
Tap the 🧮 Decoy Mode button on the solver screen
The app instantly switches to a fully working calculator
To return, enter your secret PIN into the calculator and tap =
Your PIN is set during onboarding. To change it, go to Settings → Security → Change PIN.
Open the Settings app on your iPhone
Tap your Apple ID at the top → Subscriptions
Tap Decoy AI → Cancel Subscription
Your Pro access continues until the end of the current billing period.
Open Decoy AI and go to Settings (gear icon)
Tap Restore Purchases under the Account section
Sign in with the Apple ID used for the original purchase if prompted