Comparison

ECHO Survival AI vs Post Apoc AI

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

ECHO Survival AI

Read full description

ECHO is a private, offline survival companion designed to help you think clearly when connectivity is limited or unavailable. Core emergency guides are ready immediately. Download ECHO's conversational model once to ask questions in plain language and receive on-device, step-by-step guidance without sending your conversations to a cloud AI service. GUIDANCE FOR REAL-WORLD SITUATIONS Explore practical guidance for: β€’ Getting lost and deciding whether to stay or move β€’ Finding and treating water β€’ Emergency shelter and exposure β€’ First aid and immediate priorities β€’ Fire, food safety, knots, and signaling β€’ Hiking, climbing, boating, and stranded-at-sea scenarios β€’ Survival priorities when several problems happen at once OFFLINE NAVIGATION Use device sensors and saved local data to support navigation without a network connection: β€’ GPS coordinates and compass heading β€’ Altitude, slope, and air-pressure readings when supported by your device β€’ A lightweight worldwide reference map β€’ Trail recording to help you retrace your route β€’ Battery-aware location accuracy controls CALM, ACTIONABLE GUIDANCE ECHO turns applicable procedures into clear checklists. Mark steps complete, ask for help with a specific step, listen to responses, and share a conversation or checklist when you need to communicate with someone else. PRIVATE BY DESIGN Conversational guidance runs on your device after the model download. Conversations and optional remembered details stay on your device. No account is required. ONE ECHO MODEL There are no confusing model choices. ECHO uses one verified model and can replace older model files after a successful update, helping keep storage under control. BUILT FOR LOW-CONNECTIVITY MOMENTS β€’ Offline emergency guides β€’ On-device conversational guidance after one download β€’ Voice input and read-aloud responses β€’ SOS access to urgent categories β€’ iPhone and iPad support β€’ Performance, memory, heat, and battery optimizations IMPORTANT SAFETY INFORMATION ECHO provides educational suggestions based on established guidance. It does not replace emergency services, professional survival training, or advice from qualified medical professionals. In an emergency, contact local emergency services whenever possible. Conditions differ, sensor readings can be inaccurate, and you remain responsible for decisions made using the app. Some conversational features require a one-time in-app purchase. Core offline emergency guides remain available without the model.

About

Post Apoc AI

Features
Read full description

WHEN THE GRID FAILS, YOUR PHONE BECOMES YOUR GREATEST WEAPON. Post Apoc AI is the ultimate 100% offline tactical survival system. Built for off-grid operations, natural disasters, and absolute grid collapse. No internet. No cell towers. No subscriptions. Secure it once, upgrade forever. We engineered an entire off-grid survival ecosystem to fit right in your pocket. Packing a localized AI, tactical maps, and a complete survival library into a highly compressed 515MB payload, PostApocAI gives you absolute grid-down capability without eating up your phone's storage. THE MAIN PILLARS OF SURVIVAL 1. ON-DEVICE APOC AI (500-Million Parameter Neural Network) Your pocket survival intelligence. Unlike normal AI that becomes useless without Wi-Fi, our massive neural network runs entirely offline directly on your device's hardware. Ask complex tactical, medical, or evasion questions and get instant, accurate strategies when you are miles away from a cell tower. It is constantly learning and always available. 2. OFFLINE TACTICAL MAPS & HUD Never get lost in the dark. Download massive regional topographic maps directly to your local cache. Pan, zoom, and save custom regions to survive anywhere. Pair your map with the Advanced Tactical HUDβ€”an augmented reality compass featuring a database of 25,000+ offline locations, dynamic heading tracking, altitude (AMSL), and velocity monitoring. 3. 300+ ILLUSTRATED SURVIVAL SKILLS & MEDICAL GUIDES A continuously expanding, fully illustrated database of expert-level survival protocols designed for high-stress scenarios. Emergency First Aid & Trauma: Visual guides for rigid splinting, stopping severe bleeding, and casualty stabilization. Core Survival Categories: Master Shelter & Fortification, Tactical Navigation, Water Sovereignty, Food & Foraging, CBRN Safety (Chemical, Biological, Radiological, Nuclear), and Mechanic & Engineering skills. THE DIGITAL ARSENAL: 12 INTEGRATED FIELD TOOLS Your tactical operations center, fully integrated and requiring zero signal: Offline Mesh Chat: P2P Encrypted Local Comm Network to talk when towers are dead. Night Vision Radar: LiDAR Point-Cloud Scanner (for Pro models) to map environments in pitch black. Tactical HUD: AR overlay for advanced real-time navigation and intel. Sentry Mode: Acoustic and accelerometer-based tripwire to secure your perimeter while you sleep. Survival Checklist: Manage, track, and optimize your essential bug-out gear. Storm Warning: Internal barometer monitor that detects severe >4hPa pressure drops before storms hit. Seismic Scout: Ground vibration detection to monitor approaching threats or environmental shifts. Haptic Ghost Compass: Covert waypoint navigation using strictly vibration feedback to maintain light discipline. Lens Hunter: Counter-surveillance tool utilizing Mag + IR checks to find hidden lenses. Optical Morse: Camera/Flash line-of-sight transceiver for silent communication. Fox Hunter: RSSI signal tracking to sweep for localized Wi-Fi and Bluetooth signals. Iron Vault: Secure AES-256 encrypted local storage for your most critical digital documents. YOUR DATA IS YOURS. Because Post Apoc AI is designed to work completely off-grid, your data never leaves your device. No cloud processing, no tracking, no external servers. Download the ultimate survival tool today and carry peace of mind in your pocket.

Screenshots

ECHO Survival AI4 screens
Post Apoc AI4 screens

Verdict

The call

The clearest difference is device support: Post Apoc AI at 3 against ECHO Survival AI's 1. Post Apoc AI also leads on iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. ECHO Survival AI sells 2 one-off in-app purchases and Post Apoc AI sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Scorecard2 real differences Β· 4 level
ECHO Survival AI versus Post Apoc AI: the parameters behind the verdict, then further details
ParameterECHO Survival AIPost Apoc AI
PriceFreeFree
Update frequencyEvery 3 monthsβ€”
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone, iPad, iPod β€” better
Requires iOS17.015.1 β€” better
Further details β€” not scored
Size97 MB494 MB
Age rating17+12+
Developerehsan azishGraphidea

In-app purchases

2 purchases

ECHO Survival AI

One-time2
  • Unlock offline use forever$12.99
  • Full version$12.99
1 purchases

Post Apoc AI

One-time1
  • Lifetime PRO$4.99

Questions

Is ECHO Survival AI free?
ECHO Survival AI is free to download, with in-app purchases available.
Is Post Apoc AI free?
Post Apoc AI is free to download, with in-app purchases available.
Do ECHO Survival AI or Post Apoc AI have ads?
Neither ECHO Survival AI nor Post Apoc AI shows ads.

Other comparisons