SAS Survival Guide vs Prepper AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SAS Survival Guide
This app offers essential wilderness survival information, including fire building, water sourcing, and navigation techniques. It features photo galleries, instructional videos, and a quiz to test your knowledge. Prepare for outdoor adventures with this entry-level survival guide.
- Basic survival information
- Fire building
- Finding water
- Navigation by stars
- Survival kit checklist
- Instructional videos
Read full descriptionHide full description
This is the FREE version of the Best seller iTunes app, the SAS Survival Guide, available now in the App Store and as an inApp Purchase. Based on the million-copy bestselling book, this fantastic free app provides you with a bare bones guide to wilderness survival. Jam-packed with basic survival tools, you'll be equipped for any expedition to the outdoors with this entry-level guide in your arsenal. ▶▶ ACCOLADES ◀◀ ◆◆◆ SAS Survival Guide wins "Official Honoree" Award at the 15th Annual Webbys ◆◆◆ ◆◆◆ Selected for "iTunes REWIND 2010" ◆◆◆ ◆◆◆ Listed under "Apple Featured Applications", "What's Hot" & "New & Noteworthy" Worldwide.◆◆◆ ◆◆◆ Has achieved the #1 LIFESTYLE APP in most geographic locations.◆◆◆ ▶▶ ABOUT THE SAS SURVIVAL GUIDE ◀◀ For over twenty years, the SAS Survival Guide has been the definitive guide to surviving any situation, anywhere in the world. Now, for the first time ever, the bestselling book has been reinvented for the iPhone. Written by former SAS soldier and instructor, John "Lofty" Wiseman, this application brings you the elite training techniques of Britain’s toughest fighting force in the most accessible version ever. Now you can take the world-class survival skills of the SAS with you anywhere in the world – from the peaks of Kilimanjaro to the deserts of Kandahar…or to your closest national park. The Lite App Contains: •Basic survival information including: building fires, finding water, navigating by the stars, survival kit, signals and codes •Photo galleries of cloud spotting, night sky navigation, and more •Video of Lofty Wiseman demonstrating knife skills •100+ question quiz to test if you've got what it takes to survive •Survival checklist to help you prepare for trips •Search the app by keyword for quick reference ▶▶▶ WHY NOT GET THE FULL APP ◀◀◀ The Full app contains: •Full text, in 9 chapters, of the bestselling book optimised for the iPhone •16 videos providing invaluable survival tips from Lofty himself •Photo galleries of edible, medicinal and poisonous plants •Morse Code signalling device •100 + question quiz to test if you've got what it takes to survive •Survival Checklist •Sun Compass •Search tool to scan entire book by subject •Extreme Climate Survival: sections on surviving Polar, Desert, Tropical, and Sea •Comprehensive First Aid section ------------------------------------ Also included for purchase is the ◆ SAS Urban Survival Guide ◆ Learn How to Protect Yourself Against Terrorism, Natural Disasters, Fires, Home Invasions, and Everyday Health and Safety Hazards
Prepper AI
This app provides an offline AI assistant, a comprehensive survival knowledge library, and worldwide offline maps. Access expert-level answers and critical information without an internet connection, ensuring preparedness in any situation.
- Offline AI assistant
- Survival knowledge library
- Worldwide offline maps
- No internet required
- No account or login needed
- Privacy-focused design
Read full descriptionHide full description
Prepper AI – Offline Survival AI When help isn't coming and the network is gone, this app still works. Prepper AI combines a fully offline AI assistant, a survival knowledge library, and worldwide offline maps into a single preparedness platform. No internet. No account. No cloud dependency. WHEN EVERYTHING FAILS, THIS DOESN'T Most survival apps are checklists dressed up with a nice icon. Prepper AI is different. Powered by an AI trained on 74+ survival manuals, military field guides, emergency response publications, and preparedness handbooks, it delivers expert-level answers directly on your device. Ask questions, search manuals, and access critical information even when there's no signal available. No cloud processing. No subscriptions required for core functionality. Nothing phoning home. This is the tool you want already downloaded before you need it. THE WHOLE WORLD. ON YOUR DEVICE. Download offline maps for virtually any country on Earth, then drill down into states, provinces, and regions. View roads, terrain, waterways, and geographic features entirely offline. Whether you're traveling internationally, exploring the backcountry, or preparing for emergencies, your maps remain available when networks fail. * Worldwide offline maps * State and regional downloads * Terrain and waterway visibility * No internet required * No recurring map fees If you can only keep one offline map app, make it this one. 74+ SURVIVAL BOOKS. AVAILABLE OFFLINE. Prepper AI includes a library of more than 74 preparedness and survival books, with over 40 published in 2010 or later. Access modern emergency response doctrine, current preparedness guidance, military field manuals, first aid references, and survival handbooks without needing an internet connection. Topics include: * Survival and wilderness skills * Emergency medical response * Water purification and storage * Food preservation and preparedness * Bushcraft and shelter building * Land navigation and signaling * Disaster response and recovery * Homesteading and self-reliance ASK REAL QUESTIONS * How do I purify water without boiling or tablets? * What are the signs of shock and how do I treat it? * How do I build a debris shelter in freezing temperatures? * What belongs in a 72-hour bug-out bag? * What edible plants grow in my region? * How do I navigate by stars when GPS fails? * How do I treat a wound when professional care isn't available? Get answers instantly—even when you're completely offline. KNOWLEDGE BASE INCLUDES * U.S. Army survival manuals * Military first aid and trauma references * FEMA emergency preparedness guides * Modern disaster response publications * Water purification and sanitation references * Navigation and signaling manuals * Bushcraft and wilderness medicine resources * 74+ complete books available offline * Worldwide offline maps PRIVACY BY DESIGN Your data stays on your device. * No account required * No login required * No usage tracking * No cloud processing * No personal data collection Your questions remain private. BUILT FOR * Preppers and survivalists * Families building emergency plans * Hunters and outdoorsmen * Hikers and backpackers * Overlanders and travelers * Emergency responders * Anyone who values self-reliance MEDICAL DISCLAIMER This app provides preparedness and educational information only and is not a substitute for professional medical advice, diagnosis, treatment, or emergency services. Always contact emergency services and qualified medical professionals when available. Use of this application is at your own risk. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: Prepper AI at 4.7 against SAS Survival Guide's 3.6. Prepper AI also leads on update cadence (every 2 weeks vs every 17 months). SAS Survival Guide's advantage is ratings volume (177 vs 31). On price, review sentiment, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. SAS Survival Guide sells 2 one-off in-app purchases and Prepper AI sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.
Prepper AI holds the better App Store score, 4.7 against 3.6. That said, the two scores are not equally well evidenced: SAS Survival Guide has 177 ratings behind it against 31, so its average is the more settled of the two. Written reviews complicate that: 78% of SAS Survival Guide's written reviews are positive against 75% of Prepper AI's, so the app with the better star average is not the one people write more warmly about.
SAS Survival Guide ships an update every 17 months, Prepper AI every 2 weeks. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.
| Parameter | SAS Survival Guide | Prepper AI |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (177 ratings) | 4.7 (31 ratings) — better |
| Positive reviews | 78.3% of reviews — better | 75.0% of reviews |
| Number of ratings | 177 — better | 31 |
| Update frequency | Every 17 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.0 |
| Further details — not scored | ||
| Size | 110 MB | 2.0 GB |
| Age rating | 4+ | 17+ |
| Developer | Trellisys.net | A-tech Co. LLC |
Customer experience
SAS Survival Guide
Prepper AI
Bugs and requests
SAS Survival Guide
Reported bugs
4 issues- Inability to access full content beyond first few paragraphs
- Scrolling not working in certain sections
- Videos not playing or getting stuck
- Inconsistent app behavior across devices
Requested features
4 requests- More detailed survival content
- Video tutorials and demonstrations
- Offline access to full content
- Ability to save progress and notes
Prepper AI
Not enough reviews yet to summarise bugs or requests.
In-app purchases
SAS Survival Guide
- Urban SAS$3.99
- SAS Survival Guide$5.99
Prepper AI
- Monthly Access7 Days trial$9.991 Month
- Annual Plan$39.991 Year
- Prepper AI (Lifetime Access)$149.99
Questions
Is SAS Survival Guide free?
Is Prepper AI free?
Which has better reviews, SAS Survival Guide or Prepper AI?
Do SAS Survival Guide or Prepper AI have ads?
Which is updated more often, SAS Survival Guide or Prepper AI?
Other comparisons















