Email didiappinfo@gmail.com and you will get a reply. Please say which device and iOS version you are on.
Drag the shield to sweep falling obstacles away from your balloon. One touch on the balloon ends the run. If the shield stays still for three seconds you also lose, so keep moving.
Blocking obstacles charges the shield. When it is full, tap Pulse to release a shockwave that clears the field. Armour-plated obstacles pass straight through an ordinary block, so the Pulse is the only way to break them.
It removes ads. That is all it does. All 600 levels are free for everyone, and it gives no extra lives and no scoring or ranking advantage.
Subscriptions are managed by Apple, not by us: iPhone Settings → your name → Subscriptions → ZUPI. Cancelling at least 24 hours before the period ends stops the next renewal.
Open Ad-free in the app and tap Restore purchases, making sure you are signed in with the Apple Account that bought it.
No. Tap Play as guest and everything works offline. An account only adds the global leaderboard and moves progress to a new device.
Settings → Delete account. This removes your leaderboard entry and all stored progress permanently.
Guest progress lives only on the device it was made on. Creating an account before switching devices keeps it safe.