The Last Manual is an offline survival app for Android. Download once on Wi-Fi, then it all works with zero bars and no account: 7,000+ field guides across 18 topics, offline maps with GPS and routing, an on-device AI that answers from the library on your phone, Bluetooth chat with nearby users (beta), 8 crisis playbooks and 12 field tools. Free starter pack of ~100 guides. Pro is a one-time lifetime unlock, no subscription.