Access Wikipedia, medical guides, survival resources, maps, and classic books on iPhone, Windows, and macOS — all without an internet connection.
ArkFile bundles essential knowledge and tools in a portable app that works anywhere — no internet required.
Access the entirety of Wikipedia, medical encyclopedias, travel guides, and Stack Exchange Q&As — all stored locally on your device.
Navigate without GPS or cell service. Built-in map viewer with detailed regional atlases for when you're off the grid.
WikiMed medical encyclopedia with 50,000+ health topics. Essential first aid and healthcare information when help is far away.
Calculators for water needs, food rationing, battery runtime, solar sizing, and fuel consumption. Plan for any emergency.
Classic books and practical documents from Project Gutenberg — from the Bible to Moby Dick, ready to read anytime.
Use ArkFile on iPhone, Windows, and macOS. Start with the small app, then add the offline library size that fits your storage.
Unlock Essentials in the iPhone app through the App Store, then download the pack on Wi-Fi. Wikipedia, maps, medical references, survival guides, and classic books stay readable on your iPhone when the network is gone.
General knowledge, medical, food prep, travel, and books — bundled in one offline pack.
Local vector maps and atlases. Pinch to zoom. No cell service required.
Calculators for water, power, evacuation range, food safety, and field checklists.
ArkFile Access syncs to your account so the same unlock works on iPhone, Mac, and Windows.
The iPhone app focuses on ArkFile Essentials, a compact offline library. Desktop ArkFile still offers larger Standard and Complete installs for machines with more storage.
Tap any screen to see it full size.
The Mac & Windows app — a beautiful, intuitive interface for browsing your offline knowledge.
Organize your knowledge library by category — General, Medical, Food Prep, Travel, Books & Documents.
The complete Wikipedia experience, searchable and browsable, entirely offline.
Emergency planning calculators — water, food, battery, solar, fuel, and unit conversions.
Interactive offline maps with pan, zoom, and detailed geographic information.
Detailed regional atlases with topographic features, cities, roads, and geographic reference data.
Offline entertainment — classic games and puzzles to keep morale high during extended situations.
Thousands of survival Q&As — navigation, dehydration, foraging, and outdoor skills.
Electrical Engineering Stack Exchange — repair guides, circuit design, and technical knowledge.
USDA Complete Guide to Home Canning — safe food preservation methods, recipes, and storage techniques.
Motor Vehicle Maintenance & Repair — DIY guides for common repairs, troubleshooting, and upkeep.
Trapping & Hunting techniques — field dressing, snare construction, tracking, and game processing.
Timeless literature, field manuals, and practical guides — all organized for quick access.
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112 books, manuals, and reference works included
ArkFile runs on iPhone, Windows, and macOS. iPhone purchases are handled in the iOS app through Apple; desktop purchases use an ArkFile account and the desktop app.
iPhone app
ArkFile Essentials
Windows 10 & 11
32-bit, 64-bit, ARM64
macOS 10.13+
Intel & Apple Silicon
On iPhone, ArkFile Essentials is purchased and restored in the iOS app with your Apple Account. On Mac and Windows, create an ArkFile account, purchase through the desktop flow, and choose Essentials, Standard, or Complete based on your storage.
Available on iPhone through Apple in-app purchase and on desktop through ArkFile account purchase
Available for desktop purchases and installed from inside the desktop app
Available for desktop purchases and installed from inside the desktop app
The app download stays small. iPhone downloads Essentials from inside the iOS app; desktop users choose Essentials, Standard, or Complete after account purchase.
Be prepared for anything. Access the world's information without relying on the internet.
Desktop purchases use your ArkFile account. iPhone purchases and restores happen separately in the iOS app through Apple.