PrepShield vs SupplyDen

PrepShield is the only preparedness app your household needs. Track emergency supplies, build bug-out bags for any scenario, store critical documents offline, and learn essential survival skills — all without ever needing an internet connection. INVENTORY MANAGEMENT Track food, water, medical supplies, gear, and ammo with smart categorization. Get expiration alerts and low-stock warnings before it's too late. Log consumption to know exactly what you're using and when to restock. Scan barcodes for quick item entry. READINESS DASHBOARD See your household preparedness score at a glance. Monitor water, food, and medical supply levels scaled to your family size. Receive seasonal alerts customized to your region — from hurricane season to winter storm prep. Get supply duration estimates so you know how long you can hold out. BUG-OUT BAG BUILDER Choose from six emergency scenarios — general evacuation, natural disaster, grid-down, winter storm, wildfire, and extended wilderness. PrepShield cross-references your actual inventory to show exactly what you have, what you're missing, and your readiness percentage. DOCUMENT VAULT Store photos of IDs, passports, insurance cards, prescriptions, birth certificates, and other critical documents. Organized into 13 categories with over 100 document types. Everything stays on your device — completely offline and private. PREP NOTES Organize your emergency plans, medical info, and preparedness knowledge in topic-based notebooks. Use the quick journal for daily thoughts. Starter prompts help you think through the plans that matter most. SURVIVAL REFERENCE LIBRARY Illustrated knot guide with step-by-step instructions. Morse code encoder, NATO phonetic alphabet, and emergency radio frequencies. Solar calculator for off-grid energy planning. Comprehensive field guides covering water purification, fire starting, shelter building, first aid, and more. EXPORT AND SHARE Export your full inventory as a CSV spreadsheet, printable checklist, or detailed report. Share with family members or print for your emergency binder. BUILT FOR PRIVACY All of your data is stored locally on your device. No accounts, no cloud, no subscriptions, no tracking. Your preparedness is personal and private.

A smarter way to organize your supplies, gear, and emergency essentials. SupplyDen helps you manage your inventory for home preparedness, camping, van life, overlanding, and everyday readiness — completely offline. Track food, water, tools, medical supplies, camping gear, vehicle equipment, ammunition inventory, and more. Whether you are preparing your home, packing for a trip, managing your van setup, or organizing your overlanding gear, SupplyDen helps you know what you have, where it is, and what you may need next. With the Autonomy dashboard, SupplyDen gives you a quick overview of how many days your registered supplies can support your household. Adjust your household size, monitor your water and food coverage, review items expiring soon, and keep an organized overview of your essential inventory. SupplyDen works fully offline, so your inventory stays available even without internet, cell signal, or cloud access. Your data stays on your device, giving you control, privacy, and access when it matters most. Designed for prepared homes, campers, van lifers, overlanders, and anyone who wants to stay organized and ready. Stay prepared. Stay organized. Keep everything in your den.