Offline survival assistant

Encyclopedia Galactica


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A survival assistant that runs on your phone and nowhere else. Download the model once while you have signal. After that it answers with the radios off.

2.6 GB Downloaded once
0 Requests after that
0 Accounts
9:41
Generating... Private Chat

How do I purify water without a filter?

Stop
Ask anything...

What does it actually look like?

Seven screens at the phone's real size. Pick one — every colour, radius and type size is read from the app's own theme file, so what you are looking at is what the app draws.

9:41
Model not loaded Private Chat

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Galactica

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Load Knowledge Base ~2.6GB
Ask anything...

01 / 07 Welcome

First launch. Nothing is downloaded yet and the status dot says so plainly.

Point at a row to find it on the screen

  1. 1 Status dot Grey — no model yet
  2. 2 Airplane mode On in every screenshot
  3. 3 Load button 2.6 GB, once, on Wi-Fi
9:43
Loading... 41% Private Chat

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Galactica

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Loading model... 41%
Ask anything...

02 / 07 One-time download

The model is written to the app's own storage. This happens once; after it the app never needs the network again.

Point at a row to find it on the screen

  1. 1 Status dot Amber while it downloads
  2. 2 Progress track Resumes if you close the app
  3. 3 Written to <documents>/models/
9:41
Ready Private Chat

How do I start a fire with wet wood?

1. Split the wet logs and use the dry heartwood at the center. 2. Shave that dry core into a pile of fine curls. 3. Build a platform of dead sticks so the fire is off the wet ground. 4. Light the curls, then feed pencil-thin pieces one at a time. 5. Stack damp wood beside the flame to dry before it goes on. 6. Block the wind with a rock or log on the upwind side.

Ask anything...

03 / 07 An answer

Numbered steps, one short sentence each, eight at most. No preamble, no emoji, no markdown.

Point at a row to find it on the screen

  1. 1 Status dot Green — running on-device
  2. 2 The question Asked with the radios off
  3. 3 The answer Six steps, plain text
2:18
Ready Private Chat

What's a good stock to buy right now?

I can only help with survival and preparedness — ask me about food, water, shelter, fire, first aid, or surviving a disaster.

Ask anything...

04 / 07 Private chat & scope

The lock turns the input teal and keeps the session out of storage. Off-topic questions get one sentence, always the same one.

Point at a row to find it on the screen

  1. 1 Private Chat On — nothing is written down
  2. 2 Input dock Teal border while private
  3. 3 The refusal One fixed sentence, every time
9:41
Search
New
History
Recent
How do I purify water without a filter?
How do I start a fire with wet wood?
Signs of hypothermia and what to do
Building a debris hut for one night
How do I signal a search plane?
Storing a year of food for two people
Navigating at night without a compass

05 / 07 Sidebar

Swipe in from the left edge. Search, a new chat, full history, and the twelve most recent conversations.

Point at a row to find it on the screen

  1. 1 Actions Search, new chat, history
  2. 2 Recent The last twelve chats
  3. 3 Footer Settings, and collapse
9:41
All Today This Week
How do I purify water without a filter?
9:12 AM
How do I start a fire with wet wood?
8:04 AM
Signs of hypothermia and what to do
Aug 27
Building a debris hut for one night
Aug 24
How do I signal a search plane?
Aug 21
Storing a year of food for two people
Aug 19
Navigating at night without a compass
Aug 14

06 / 07 History

Everything saved on this device — searchable, filterable, deletable. Long-press a row to select several at once.

Point at a row to find it on the screen

  1. 1 Search Matches titles as you type
  2. 2 Filters All · Today · This week
  3. 3 Any row Long-press to select several
9:41
Settings
Appearance
Dark mode Use a dark color scheme across the app.
Data
Chat history 7 chats saved on this device.
Clear
About
ModelQwen3-4B-Q4_K_M.gguf
InferenceOn-device · fully offline

07 / 07 Settings

Dark mode, a one-tap wipe of every saved chat, and the exact model file you are running.

Point at a row to find it on the screen

  1. 1 Dark mode The app ships both themes
  2. 2 Clear Wipes every saved chat
  3. 3 About The exact file you are running

How do I get it working?

  1. Install the app and open it once while you still have a connection.
  2. Tap Load Knowledge Base and stay on Wi-Fi for the 2.6 GB download.
  3. Wait for the status dot to turn green. This happens one time only.
  4. Put the phone in airplane mode if you want to prove the point.
  5. Ask anything about staying alive and read the numbered steps.
  6. Turn on Private Chat for a session you would rather not keep.

Where do my questions go?

Nowhere. There is no inference API to call and no account to attach a question to. The whole loop closes inside the phone.

Where a question goes A question travels to the Qwen3 model running under llama.cpp on the phone, returns an answer, and is written to local storage. The path from the phone to any server is cut. YOUR DEVICE ANY SERVER Your question Qwen3 llama.cpp on-device Answer kept in the app's local storage, or nowhere at all in Private Chat never contacted Where a question goes A question travels to the Qwen3 model running under llama.cpp on the phone, returns an answer, and is written to local storage. The path from the phone to any server is cut. YOUR DEVICE Your question Qwen3 llama.cpp on-device Answer Local storage skipped in Private Chat ANY SERVER never contacted

No inference API

The model file sits in the app's document directory and runs on the phone's own silicon through llama.cpp. There is no endpoint behind it.

No account

Nothing to sign into, because there is no server to sign into. The app works the same on a phone that has never been online since setup.

No cloud history

Chats live under a single local storage key. Settings clears every one of them in a tap, and Private Chat skips writing them at all.

One download, then quiet

The only network request the app ever makes is fetching the model. Delete the app and the model goes with it.

What will it answer, and what won't it?

It is built for one subject and holds that line. A 4-billion-parameter model that tries to be everything is worse at the thing you opened it for.

Finding water Purifying water Fire Shelter Foraging Trapping Food storage Growing food Navigation Signaling First aid Austere medicine Hypothermia Wilderness safety Earthquake Flood Wildfire Hurricane Winter storm Grid-down Off-grid power Sanitation Security Communication

I can only help with survival and preparedness — ask me about food, water, shelter, fire, first aid, or surviving a disaster.

Everything outside the list gets exactly this sentence.

What is under the hood?

ModelQwen3 · Q4_K_M GGUF
Runtimellama.rn · llama.cpp
First download~2.6 GB, one time
Context window2048 tokens
Temperature0.4
Answer length cap512 tokens
Model stored at<documents>/models/
Chats stored inAsyncStorage
Storage keyencyclopedia_galactica_chats_v1
PlatformsiOS 15+ · Android 9+
RAM while generating~600 MB headroom
Requests after setup0

Encyclopedia Galactica


Ad astra per aspera

iOS 15 or later · Android builds from source · 2.6 GB free space