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Offline survival & preparedness

Preparedness that still works when the network doesn’t.

Your emergency knowledge, your supplies, your maps and your family’s documents on your own device. When the network doesn’t work, the assistant still answers.

Out now for iPhone and Mac What it does

2.99 € once · no subscription · no account · no tracking

Keepilo dashboard on a phone: readiness score 70, food lasts 18 days, water 12 days, four batches expiring soon.

Turn the network off. Nothing in the app changes.

Keepilo is an offline emergency preparedness and survival app, or in short: a prepper app that needs no internet. The language model, the search index, your documents and your inventory all live on the device. One download during setup is the only moment Keepilo needs a connection.

  • Works in airplane mode
  • No account, no cloud
  • 2,99 € once, no subscription
  • Checklists and quantities per official German guidance

Preparedness fails at the boring parts

Not at the dramatic ones. Nobody forgets to buy water. People forget which crate it is in, when it expires, and how long it actually lasts for four people.

  1. 01

    The knowledge is in a book, in the cellar

    Survival guides are excellent and useless at 3 a.m. with a flashlight in your teeth. Keepilo reads your PDFs and answers in plain sentences, with the page number, so you can check the original.

  2. 02

    The supplies are there, the overview is not

    Six cans of peaches, or sixteen? Which best-before date comes first? Keepilo tracks batches, expiry dates and partial withdrawals, and turns that into one number: how many days you are covered.

  3. 03

    Medication runs out before the food does

    It is the shortest number in most households and the one with the longest lead time. Keepilo computes the range per person from the dosage on the medical card and warns you while there is still time to act.

  4. 04

    The plan lives in one person’s head

    Meeting points, blood types, allergies, the medication grandma cannot skip. Keepilo puts it on paper you can print and on devices your family carries, without a cloud account in the middle.

What is inside

Six areas that assume the worst

Each one keeps working with the network switched off. That is not a feature we bolted on, it is the reason the app exists.

  1. Assistant screen: how to make water drinkable, answered in three numbered steps with source chips for page 87 and 102.

    Assistant

    Answers from your own documents

    The language model runs on your device. Every answer names the document and the page, and the chip opens the PDF right there. A German question against an English handbook still returns a German answer, with gallons and Fahrenheit converted.

  2. Map screen: Germany with place names, roads and rivers, plus one of your own points, all without a network connection.

    Map

    Whole countries, even with no signal

    Download your country once over Wi-Fi; after that the map draws entirely from the device: roads, places, water, labels. Set your own points for a meeting place, a spring or a safe location, and record your track to find the way back.

  3. Dashboard screen: readiness score 70, food 18 days, water 12 days, four batches expiring, medication range per person.

    Dashboard

    How long would we last?

    Age and sex of every person become a calorie and water requirement, the stock becomes a range in days. Plus what expires next, how the medication supply stands per person, and one suggestion for the most useful thing you could do today.

  4. Inventory screen: stock by category with status dots, inventory numbers, best-before dates and storage locations.

    Inventory

    Batches, dates, half packs

    Food, water, medication and consumables with best-before date, storage location and an inventory number you can write on the crate. Take half a pack, book out half a pack: everything is kept in base units, so the numbers stay honest.

  5. Medical card screen: blood type, allergies, chronic conditions and long-term medication with the range in days.

    Emergency

    The part you hope stays boring

    Medical cards per person, linked to the inventory so the medication range can be computed. An emergency plan, a backpack checklist based on the recommendations of the German civil protection office, and print-ready emergency cards in wallet format.

  6. Tools screen: tiles for SOS light, morse sender, morse receiver and signal tone.

    Tools

    Flash SOS, whistle, convert, lock away

    Ten helpers that calculate or use the sensors: the standard distress signal as light or sound, morse in both directions, units, spirit level, ruler, magnifier, vetted phrases in nine languages. Plus an encrypted vault for ID documents and contracts.

Twenty minutes to a real overview

You will not fill in a database. Every complex input is a wizard: one question per screen, skippable, and it remembers where you stopped.

Read the handbook

  1. Install

    Buy it once, open it

    No account, no sign-up, no email address, no profile screen.

  2. Download

    Load the content over Wi-Fi

    The AI model and the optional content packages. This is the only step that touches the internet. After it, airplane mode can stay on forever.

  3. Household

    Say who lives with you

    Age and sex per person. That is what turns some rice into eleven days for four people.

  4. Inventory

    Book in what you already have

    Scan a barcode or type the name. The first twenty items take ten minutes and change the dashboard from grey to informative.

  5. Library

    Import your documents

    Any PDF, TXT or Markdown file. Keepilo indexes it, and from then on the assistant can quote it with the page number.

  6. Map

    Download your country

    One tap in the map area, and it works in airplane mode afterwards. Drop the meeting point you agreed on while you are there.

  7. Print

    Put the emergency cards in the wallet

    One per person. The part of preparedness that costs nothing and gets skipped anyway.

Keepilo assistant on a desktop with sidebar navigation, session history and an answer carrying two source chips.

One app, four platforms, one design

Built from a single codebase for iPhone, iPad, Android, macOS and Windows. The layout adapts instead of shrinking: bottom navigation on the phone, an icon rail on the tablet, a full sidebar with a detail panel on the desktop.

Buying once per store account covers it. On Apple devices one purchase covers iPhone, iPad and Mac, and family sharing is enabled where the store offers it.

Availability and system requirements

New: shared supply

One supply everyone in the household can see

One of you cooks and books out the can, the other is standing in the supermarket and sees on their own phone what is actually left in the cellar. This is the part of Keepilo you use every day, long before anything goes wrong.

Setting it up takes a minute: name this device, scan the QR code on the second one, done. Your whole supply comes along, not just what happens from now on.

And when the network drops, nothing changes: you keep booking as always, and the rest goes out as soon as there is a connection again, whether that is ten minutes or three weeks later. The feature stays off until you start it, costs nothing extra and can be ended at any time.

How to set it up

Shared supplies in Keepilo: last synced 8/7/2026 at 18:12, two changes not sent yet, and below it the three devices of the household with their last check-in.

Shopping without phoning home

What left the shelf this morning is on your phone in the shop by lunchtime. The pack of batteries someone already bought does not end up in the trolley twice, and the gap nobody mentioned still shows up.

Useful on your own, too

Phone, tablet and computer hold the same stock. You book at the shelf with the phone and plan at the desk on the big layout, and you never type anything in twice.

Sealed before it leaves

Every change is encrypted on your device. Our service carries sealed parcels and cannot open them, the key stays on your devices. There is no account for this either: pairing happens by QR code, from screen to camera.

There is nothing to leak.

Meaning: no subscription, no account, no service you are required to sign up for. The only expiry dates in Keepilo are the ones on your cans.

No account

No email address, no password, no profile. The app does not know who you are and has no way to find out.

No server, unless you want one

Your inventory, medical cards and chat history live in a database on your device. The one exception is yours to switch on: with a shared supply, an encrypted copy of your stock data sits on our server, and it is one we cannot open.

No tracking

No analytics, no ads, no crash telemetry, no anonymous usage statistics. The app goes online only when you start a download yourself.

Health data is the most sensitive thing in the app and exactly as local as everything else. Protect it with the app lock: PIN, fingerprint or face, auto-lock, and a blurred preview in the task switcher. Read the privacy policy

Keepilo is not built by an anonymous app studio but by a person with a name and an address: Andreas Schneider, developed in Germany, listed in the imprint. And should Keepilo ever cease to exist: the app keeps working exactly as on its last day, because it depends on no account and no licence check. Only the shared supply would fall back to the file and local-WLAN routes that already exist today.

Who it is for

Three groups, one habit

They would never describe themselves with the same word, and they use Keepilo the same way.

Households following official advice

Civil protection agencies recommend food and drinking water for about ten days, plus a small stock of medication, a battery radio and documents you can grab.

That advice is easy to follow for a weekend and hard to maintain for a decade, because best-before dates move, people move out, and nobody remembers what is at the back of the cellar shelf. Keepilo is the maintenance layer.

Preppers and self-reliance people

If you already keep a deeper stock, the interesting questions are different. How long does this really last at reduced rations? How many litres will the filter still produce?

Does the medication run out before the food does? And can I get my whole setup onto my partner’s phone without a cloud service in the middle? The offline transfer moves a full library over local Wi-Fi with a QR code and a one-time token.

People with a specific worry

A blackout that lasts more than a day. A flood plain. A parent with diabetes and a fourteen-day insulin buffer. A holiday cabin with no reception.

In every one of those cases the failure mode is the same: the information you need is somewhere online, and you are not.

What Keepilo is not

It is not a medical device and does not diagnose or treat anything. It does not replace official warnings, and it does not replace the judgement of emergency services. It reproduces what stands in the documents you gave it, tells you where that came from, and does the arithmetic you would otherwise do on the back of an envelope.

Search terms, and what Keepilo actually does about them

Food storage app or pantry inventory: full inventory with batches, best-before dates, storage locations, inventory numbers and partial withdrawals. Expiration date tracker: a dedicated view for what expires next, plus a weekly reminder scheduled locally, without a background service or a push server. Emergency food supply calculator: requirement per person from age and sex, coverage in days, and a target you set yourself. Rationing calculator: a day-by-day plan that stretches the existing stock to a chosen number of days and states the coverage it reaches. Emergency shopping list: actual products following the official German stockpile table, calculated from the gap between requirement and stock. Bug-out bag or emergency backpack checklist: a template based on the recommendations of the German Federal Office of Civil Protection, tickable per person, feeding into the readiness score. Offline maps: whole countries from OpenStreetMap on the device, with your own points and track recording, and no map service behind it. Securing important documents: an encrypted vault for ID papers, policies and powers of attorney, kept apart from everything else. Offline survival guide: the assistant, running on your own documents. Family emergency binder: medical cards and printable emergency cards in wallet format.

Prepared is a state you maintain, not one you reach.

Keepilo is the part that keeps track while you get on with everything else.

See all features Frequently asked questions

2.99 € once · no subscription · out now on the App Store for iPhone, iPad and Mac; Google Play and the Microsoft Store to follow