Offline Survival Computer

What is Prepper Disk?

Access survival knowledge on any device — no internet required.

Prepper Disk is a plug-and-play offline survival computer that gives you instant access to thousands of critical resources - without internet, subscriptions, or technical setup.

Prepper Disk in use

How does it work?

  • Step 1

    Plug your Prepper Disk into an outlet or battery.

    No cell, no WiFi, no subscription needed.

  • Step 2

    Connect all your devices - tablets, computers, and smartphones - to the "Prepper Disk" Wi-Fi.

  • Step 3

    Browse your private copies of Wikipedia, maps, medical wikis, repair guides,  TED Talks, survival videos, and much more.

    (See it in action in the video below)


    Still have questions?  Check out our FAQ.
Get Yours
EDC Bag with Prepper Disk

Check out the Prepper Disk feature in OFFGRID

Offgrid Gear columnist Nick Italiano highlights Prepper Disk as a "must-have" for a tech EDC ("Every Day Carry") bag.

Read the Article

Your private hotspot of maps, Wikipedia, videos, eBooks, and much more.

What's Inside

Reference Library

Knowledge Base

  • Wikipedia (English)
    Over 6 million articles and images. Searchable and browsable just like the real site.
  • Project Gutenberg
    60,000 eBooks across 300+ categories — classics, non-fiction, children's books, and more.
  • TED Talks
    Curated videos on farming and extreme weather.
  • WikiHow
    90,000+ how-to guides, from finding shelter to wiring a house.
  • Stack Exchange Q&A
    Thousands of searchable questions on sustainable living and the outdoors.
Survival & Emergency

Crisis Response

  • Ready.gov / FEMA
    Disaster planning for biohazards, weather events, mass attacks, home fires, and more.
  • Medical Wikis & Guides
    50,000+ articles from the National Library of Medicine, MedlinePlus, and surgical/first-aid guides.
  • Survival Bookshelf
    Military survival manuals, hunting and trapping, foraging, post-disaster cooking.
  • Ky Furneaux Field Guides
    Fortifying your home, finding water, signaling, rescue — from the survival expert (Discovery, MTV).
  • Prepper Disk Exclusives
    Original eBooks: livestock for survival, woodland survival, emergency communication.
Comms & Signaling

Communication

  • RepeaterBook (HAM)
    Searchable amateur radio repeater data for the US and Canada.
  • Morse Code DecoderNew
    Decodes and translates Morse with audio and visual signal output.
  • Emergency Phrase TranslatorNew
    200+ emergency phrases across English, Spanish, French, Italian, German, Russian.
Navigation & Utility

Maps & Tools

  • World Street Maps
    North America, Europe, and Oceania street maps with satellite imagery.
  • National Park MapsNew
    Official trail maps for all 63 US National Parks.
  • iFixit Repair Guides
    Professional-grade repair instructions for autos, electronics, and home appliances.
  • USB File Hosting
    Host your own files by connecting any USB storage device.
Swipe for more →
↻
Fully updatable through our web interface — replace content when new versions are published via the included console, at no cost.

Technical Specifications

Hardware, warranty, and accessories.

The Device

Raspberry Pi 4B with 2GB of RAM

512GB premium SD memory card

Rugged aluminum alloy case with passive cooling

3.5" L × 2.75" W × 1" H

Warranty

Every device comes with a one (1) year no-nonsense warranty.

Optional Accessories

Faraday Defense bag for EMP protection

Portable Battery (10 hours of continuous use)

Already have a Raspberry Pi? We sell a software-only option.

All Prepper Disk content is licensed, open source, or public domain and is scaffolded in our custom software based on the rugged Internet-in-a-Box. Please be sure you've read our Terms of Use before buying your Prepper Disk.

Features of your Prepper Disk

  • Private

    Browse your content privately, with no tracking and no ads, without risk of  ISP or cell surveillance.

  • Available Anywhere

    Prepper Disk requires nothing more than a power source to operate.

    Pair it with a solar charged battery for maximum versatility.

  • Expandable

    Connect a USB drive to host your files right on the Prepper Disk menu. Videos, documents, music, or important files.

  • Update Friendly

    Download new versions of resources like Wikipedia, or our exclusive content, free on your device.

    Unlike your phone or computer, Prepper Disk never requires an update. Updates are optional.

  • Battle Tested

    Built on reliable, proven hardware and software platforms like Raspberry Pi, IIAB, and Kiwix using premium components.
Get Yours

Casual Preppers Podcast called Prepper Disk "One of the coolest things I've ever used"

Watch the Reel

Ky Furneaux , survival legend, on Prepper Disk ...

"Prepper Disk empowers users to face challenges with confidence, featuring an interactive format that combines written content, visual elements, and practical exercises for an engaging learning experience. Covering a wide range of topics—from emergency preparedness to outdoor survival—the disc ensures you have the diverse knowledge needed to thrive.

With excerpts from my book included, it offers a unique perspective that blends personal anecdotes with essential survival strategies, making the Prepper Disc not just a resource, but an invitation to embrace the adventure of preparedness and build a robust skill set for all aspects of life."

Ky Furneaux is a survival expert, outdoor guide, and award-winning stuntwoman who has appeared in over 100 film and TV productions, and has hosted, produced, and starred in some of the world’s most extreme survival shows, including MTV’s Made and Discovery’s Naked and Afraid. Ky has authored five survival books, including Survive: The All-In-One Guide to Staying Alive in Extreme Conditions.

See YouTuber "Addicted to Bleeps" unbox Prepper Disk

Already have a Raspberry Pi 4 or higher?

Try our software-only option (on MicroSD).