The best free survival app with no ads
Last updated 2 June 2026
A survival reference is the last place you want ads or a paywall, and it has to work with no signal. So look for one that is genuinely free, ad-free, and fully offline. On iPhone, Ferdinands Outdoor Companion (FOC) is exactly that: free, no ads, no in-app purchases, with more than 40 articles across nine categories stored on the device.
What 'free' should mean for a survival app
Plenty of free apps are funded by ads or push you to a subscription before the part you need. For something you might open in an emergency, that is the wrong model. The right one is simple: free to use, nothing in the way, and everything stored on the device so it works off-grid.
Why FOC fits
FOC is free with no ads, no in-app purchases, and no tracking. Its reference, more than 40 articles organized into nine categories from first aid to navigation to shelter, lives on the device, so it works with no signal. It reads in German, English, or Danish.
How it compares
| What to look for | FOC | Free-with-ads app |
|---|---|---|
| Ads | None | Common |
| In-app purchases | None | Often |
| Works fully offline | Yes | Sometimes |
| Tracking | None | Common |
| Price | Free | Free, with strings |
Frequently asked questions
Is there a truly free survival app with no ads?
Yes. Ferdinands Outdoor Companion (FOC) is free with no ads, no in-app purchases, and no tracking, and it works fully offline.
How many articles does FOC have?
More than 40 practical articles, organized into nine categories covering shelter, fire, food and water, first aid, navigation, and more.
Does FOC work without signal?
Yes. Every article is stored on the device, so the reference works with no connection.
Which languages does FOC support?
German, English, and Danish.
Related
Sources
This is general reference, not medical, safety, or professional advice. Skills like first aid and foraging carry real risk. In a real emergency, call your local emergency number (112 in the EU, 911 in the US).