Prepper AI vs Custos

Prepper AI – Offline Survival AI When help isn't coming and the network is gone, this app still works. Prepper AI combines a fully offline AI assistant, a survival knowledge library, and worldwide offline maps into a single preparedness platform. No internet. No account. No cloud dependency. WHEN EVERYTHING FAILS, THIS DOESN'T Most survival apps are checklists dressed up with a nice icon. Prepper AI is different. Powered by an AI trained on 74+ survival manuals, military field guides, emergency response publications, and preparedness handbooks, it delivers expert-level answers directly on your device. Ask questions, search manuals, and access critical information even when there's no signal available. No cloud processing. No subscriptions required for core functionality. Nothing phoning home. This is the tool you want already downloaded before you need it. THE WHOLE WORLD. ON YOUR DEVICE. Download offline maps for virtually any country on Earth, then drill down into states, provinces, and regions. View roads, terrain, waterways, and geographic features entirely offline. Whether you're traveling internationally, exploring the backcountry, or preparing for emergencies, your maps remain available when networks fail. * Worldwide offline maps * State and regional downloads * Terrain and waterway visibility * No internet required * No recurring map fees If you can only keep one offline map app, make it this one. 74+ SURVIVAL BOOKS. AVAILABLE OFFLINE. Prepper AI includes a library of more than 74 preparedness and survival books, with over 40 published in 2010 or later. Access modern emergency response doctrine, current preparedness guidance, military field manuals, first aid references, and survival handbooks without needing an internet connection. Topics include: * Survival and wilderness skills * Emergency medical response * Water purification and storage * Food preservation and preparedness * Bushcraft and shelter building * Land navigation and signaling * Disaster response and recovery * Homesteading and self-reliance ASK REAL QUESTIONS * How do I purify water without boiling or tablets? * What are the signs of shock and how do I treat it? * How do I build a debris shelter in freezing temperatures? * What belongs in a 72-hour bug-out bag? * What edible plants grow in my region? * How do I navigate by stars when GPS fails? * How do I treat a wound when professional care isn't available? Get answers instantly—even when you're completely offline. KNOWLEDGE BASE INCLUDES * U.S. Army survival manuals * Military first aid and trauma references * FEMA emergency preparedness guides * Modern disaster response publications * Water purification and sanitation references * Navigation and signaling manuals * Bushcraft and wilderness medicine resources * 74+ complete books available offline * Worldwide offline maps PRIVACY BY DESIGN Your data stays on your device. * No account required * No login required * No usage tracking * No cloud processing * No personal data collection Your questions remain private. BUILT FOR * Preppers and survivalists * Families building emergency plans * Hunters and outdoorsmen * Hikers and backpackers * Overlanders and travelers * Emergency responders * Anyone who values self-reliance MEDICAL DISCLAIMER This app provides preparedness and educational information only and is not a substitute for professional medical advice, diagnosis, treatment, or emergency services. Always contact emergency services and qualified medical professionals when available. Use of this application is at your own risk. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

What do you do when power, internet, and cell service all fail at once? Custos is your offline companion built for exactly that moment. An app that needs no internet — because it has to work when nothing else does. Unlike any other emergency app: 100% offline, no cloud, no servers, no dependencies. WHY CUSTOS? In a blackout, flood, or earthquake, you don't just lose comfort — you lose access to every piece of information you rely on. Where's the nearest hospital? How do I treat a burn? How do I purify water? How do I survive 72 hours without power? Custos has the answers. Already installed, already there. WHAT YOU GET: ▸ CRISIS SCENARIOS THAT GUIDE YOU THROUGH THE WORST 16 real-world emergencies (blackout, flooding, earthquake, storm, wildfire, pandemic, chemical spill, heat wave, evacuation, and more). Each scenario in 4 phases: what to do IMMEDIATELY, what to do in 24 hours, what to do long-term — and how to be better prepared next time. ▸ FIRST AID THAT SAVES LIVES 46 emergency topics with clear step-by-step instructions: CPR, heart attack, shock, burns, poisoning, fractures, stroke, crush syndrome, pediatric emergencies. Triage decision tree for mass casualty events. Help right when every second matters. ▸ SURVIVAL KNOWLEDGE THAT MAKES YOU INDEPENDENT 45 topics from crisis research and survival training: water purification, fire making, knots, Morse code, weather reading, navigation without GPS, backup power (solar, generator, EV), CBRN protection. Knowledge you can't find compiled anywhere else. ▸ CHECKLISTS THAT MAKE YOUR HOME RESILIENT 28 ready-made lists for emergency bag, pantry, first aid kit, document folder. Scales to your household size. You know exactly what you need — and what's still missing. ▸ OFFLINE MAPS WITH GPS Download maps for your region — works without internet. GPS works without cell service. Always find the nearest safe location: hospital, police, pharmacy, shelter. ▸ MEDICATION DATABASE Scan barcodes of your medications offline — 1.28 million entries in the German PZN database. Custos instantly shows active ingredient, dosage, expiration. Manages your home pharmacy with expiry alerts. WHO IS IT FOR? Parents protecting their family. Seniors living alone. Hikers and campers. People in regions with natural hazards. Anyone who doesn't want to find out they're unprepared during the actual emergency. PRIVACY FIRST No cloud. No tracking. No ads. Your data stays on your device. No account required. OPTIONAL PREMIUM Monthly €2.49 · Yearly €14.99 · Lifetime €24.99 one-time. Free: 3 scenarios, first aid, emergency call, basic checklists. Premium: All 16 scenarios, offline maps, inventory tracking, family profiles, PDF export. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms & Privacy: https://holzbucht.de/pages/apple