BarBlock reduces screen time by adding real-world friction to app blocking. Instead of relying on willpower or screen time limits, you lock distracting apps by scanning a barcode you already have, like one on a book or a food package. Those apps stay blocked until you scan the same barcode again. Setup is super easy: choose the apps you want to block, scan any barcode, and they stay locked until you rescan it. No extra devices, nothing new to buy, no subscriptions, no accounts, no sign-ups…