# Earthship Assistant — Your Ultimate Off-Grid Toolkit > Your Ultimate Off-Grid Toolkit (iPhone/iPad app by Alex Leeor.) - Source: https://appshunter.io/ios/app/earthship-assistant/id6738914504 (this page in markdown: same URL + `.md`) - Developer: [Alex Leeor](https://appshunter.io/developer/1725418988) - Category: Education, Health & Fitness - Price: $2.99 with in-app purchases (on sale, was $4.99) - Age rating: 4+ - Requires: iOS 14.0 · 19 MB - Languages: American English - Released: 2025-01-18 - Data updated: 2026-05-17 - User reviews in markdown: https://appshunter.io/ios/app/earthship-assistant/id6738914504/reviews.md ## What is Earthship Assistant? BUILDING YOUR OFF-GRID FUTURE, ONE TIRE AT A TIME. Imagine a home that takes care of you. A home that heats and cools itself without electricity, catches its own water from the sky, grows food in your living room, and processes its own waste. This is the dream of the Earthship—but we know that the journey from "dream" to "done" is filled with complex questions and hard work. - How thick should your thermal wrap be? - Is your solar bank sized correctly for a cloudy week? - What is the exact ratio for that perfect adobe pack? Meet Terra. Terra is more than just a chatbot; it is your dedicated AI architect, engineer, and permaculture expert, designed specifically for the Earthship Biotecture methodology. Whether you are pounding your very first tire, sketching layouts on a napkin, or fine-tuning the gray water pumps in a finished build, Terra is here to make the complex simple. From the mud to the greenhouse, Terra guides you through every step of your sustainable living journey. THE GAME CHANGER: APPS ON DEMAND Most apps give you static information. Terra gives you functional tools. Using advanced generative AI, Terra can build custom, interactive calculators and trackers for you in seconds. Just tell Terra what you need, and watch a fully functional mini-app appear in your chat. - Need to calculate how many tires for a 40ft wall? Ask Terra. - Need a specialized countdown for your cistern water levels? Terra builds it. - Need a solar angle calculator for your specific latitude? Done. You can even refine them instantly: "Make the buttons bigger," "Add a cost estimator," or "Save this for offline use." PLAN EVERY DETAIL Don't get stuck on the math. Terra helps you plan crucial details instantly: - Tire Calculations: Exact counts based on wall length and tire size. - Plaster Mixes: The perfect ratios for cob, adobe, and cement. - Power Systems: Solar array sizing and battery bank requirements. - Water Storage: Cistern volume calculators based on your roof catchment area. EXPERT EARTHSHIP GUIDANCE Get instant answers about the six principles of Earthship living: - Building & Design: Tire pounding techniques, bond beams, glazing angles, and thermal mass. - Energy: Photovoltaic systems, wind turbines, and consumption management. - Water: Catchment, Water Organizing Modules (WOMs), and filtration. - Sewage: Gray water planters, black water treatment, and botanical cells. - Food: Indoor greenhouse design, hydroponics, and soil health. - DIY Skills: Tool guides, safety protocols, and maintenance schedules. GUIDED SCENARIOS Not sure what to ask? Start with our expertly crafted conversation guides: - "Where Do I Start Building?" - "Is Earthship Living Right for Me?" - "Understanding the Physics of Tire Walls" - "Navigating Legal & Zoning Challenges" ...and 25+ more deep-dive scenarios. COMMUNITY TOOL GALLERY You aren't building alone. Access a library of tools created by other Earthship builders: - Browse featured calculators, planners, and trackers. - One-tap import tools into your own workspace. - Share your own custom AI creations to help the community. POWERFUL FEATURES - Offline Mode: Works at the build site, even without signal. - Real-Time Streaming: Instant feedback as you type. - Mobile-First Design: Optimized for using with one hand while working. - Privacy Focused: Secure credential storage via iOS Keychain. - Dark Mode: Easy on the eyes during late-night planning. WHO IS TERRA FOR? - Aspiring builders planning their first project. - Off-grid homesteaders optimizing existing systems. - Permaculture practitioners designing food webs. - DIY enthusiasts curious about radical sustainability. START YOUR JOURNEY Whether you are dreaming of off-grid independence or you have a sledgehammer in your hand right now, Terra is your expert companion. Download Terra today. Let’s build something incredible. ## Pricing and in-app purchases Base price: $2.99. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | 50 Credits | $3.99 | one-time | | 100 Credits | $7.99 | one-time | | 25 Chat Credits | $0.99 | one-time | ## Version history (last 5 releases) ### 5.8 — 2026-01-15 Fixed a login bug for iOS users. Added new interactive tools including - A rainwater harvesting simulator let you run your proposed water system against the last five years rainwater data for your location. - A solar power systems designer to help you set up the right sized system for your home. ### 5.1 — 2025-11-20 NEW: Discover custom interactive tools and create your own in seconds! Ask Terra to build calculators, planners & trackers. Share with the community. Your AI Earthship expert. Everything you need to design and build a fully sustainable Earthship—water independence, solar power, and radical self-reliance. All in your pocket. REAL DATA. REAL RESULTS. - Water Harvesting Calculator: Pull 5 years of rainfall data for YOUR location. Design custom rainwater systems with 95%+ self-sufficiency scores. Never guess about water independence again. - Solar Sizer with Live Weather Data: Right-size your solar panels and batteries using actual climate data. Know exactly what you need before spending a dollar. - Permit Navigator: Get a custom permitting roadmap, checklist, and timeline based on your zoning. Navigate bureaucracy like a pro. PRECISION BUILDING TOOLS - Tyre Wall Calculator: Calculate exact tire counts, soil volumes, and course planning. Multiple tire sizes supported. Build structural thermal mass walls with confidence. - Material Estimator: Compare rammed earth tires, adobe, and bottle walls. Optimize for budget and availability. - Tire Pounding Tracker: Track every tire. Celebrate milestones. Stay motivated through the hardest phase. - Earth Plaster Mix Calculator: Perfect consistency every time. Smart recommendations for your finish. ENERGY INDEPENDENCE - Solar Power Gain Estimator:Forecast monthly and yearly energy production using historical weather data and improved tilt calculations. - Solar Angle Analyzer: Visualize sun paths. Optimize glazing placement. Maximize passive heating and manage summer temps. - Quantify daily passive solar gain based on your exact location and window specs. COMPLETE WATER SYSTEMS - Grey water System Designer: Close the loop. Design efficient systems that feed your indoor botanical cells while extending your water resources. GROW YOUR FOOD - Permaculture Companion Guide: Searchable plant pairing cards with companions, pest deterrents, and planting schedules. Turn your indoor garden into a thriving ecosystem. STAY ORGANIZED - Multi-Task Timer & Task Manager - Manage concrete curing, plaster drying, and volunteer coordination. Mobile-optimized for on-site use. - Community Build Tracker - Coordinate volunteers. Track progress. Build together. LEARN WHY IT WORKS - Why Tires Rock in Earthships - Interactive guide to thermal mass, structural advantages, and sustainability benefits. Perfect for beginners. 19 SPECIALIZED TOOLS - Real climate data integration - Location-specific calculations - Mobile-optimized for job sites - No subscriptions. No ads. Whether you're breaking ground on your first build or refining your fifteenth design, this is the toolkit that transforms sustainable vision into reality. Your off-grid future starts here. ### 5.0 — 2025-11-20 Build/Share/Use community Tools for Anything Terra creates interactive web applications including: - Energy & Power: Solar array calculators, battery bank sizing, power consumption trackers, energy budget planners, inverter selection guides - Water Systems: Rainwater catchment calculators, cistern sizing, grey-water flow tools, water usage trackers, filtration planners - Building & Design: Tire wall material estimators, budget trackers, project timelines, thermal mass calculators, passive solar window placement - Food Production: Growing season calendars, companion planting guides, compost calculators, greenhouse monitors, harvest planners - Maintenance: Inspection checklists, seasonal schedulers, repair estimators, diagnostic tools, parts inventory trackers Interactive, Not Static - These aren't basic calculators—they're fully functional apps that save data, remember preferences, perform complex calculations, and generate visualizations. - Every tool is yours to keep, use repeatedly, and refine. Want to modify a tool from last week? Just ask Terra. - Share With the Community - Browse the Community Tool Gallery to import tools created by fellow builders. Found a calculator that's almost perfect? Import and customize it for your needs. - Need a solar panel calculator for your location and budget? Create one in seconds. Want a water storage planner for your rainfall patterns? Build it together. This is a complete toolkit creation platform powered by AI for earthship builders and sustainable living practitioners. ### 4.9 — 2025-11-17 Build/Share/Use community Tools for Anything Terra creates interactive web applications including: - Energy & Power: Solar array calculators, battery bank sizing, power consumption trackers, energy budget planners, inverter selection guides - Water Systems: Rainwater catchment calculators, cistern sizing, grey-water flow tools, water usage trackers, filtration planners - Building & Design: Tire wall material estimators, budget trackers, project timelines, thermal mass calculators, passive solar window placement - Food Production: Growing season calendars, companion planting guides, compost calculators, greenhouse monitors, harvest planners - Maintenance: Inspection checklists, seasonal schedulers, repair estimators, diagnostic tools, parts inventory trackers Interactive, Not Static - These aren't basic calculators—they're fully functional apps that save data, remember preferences, perform complex calculations, and generate visualizations. - Every tool is yours to keep, use repeatedly, and refine. Want to modify a tool from last week? Just ask Terra. - Share With the Community - Browse the Community Tool Gallery to import tools created by fellow builders. Found a calculator that's almost perfect? Import and customize it for your needs. - Need a solar panel calculator for your location and budget? Create one in seconds. Want a water storage planner for your rainfall patterns? Build it together. This is a complete toolkit creation platform powered by AI for earthship builders and sustainable living practitioners. ### 2.06 — 2025-04-19 - All users receive 250 FREE credits. - Personalized sustainable consultations at your fingertips. - Now using Claude 3.7 for the most intelligent and nuanced responses. - Your app purchase includes 250 chat credits. ## More apps by Alex Leeor - [Earthship Navigator LLM](https://appshunter.io/ios/app/earthship-navigator-llm/id6475927216) - [TranquilMind](https://appshunter.io/ios/app/tranquilmind/id6476593676) - [FOLQUORA](https://appshunter.io/ios/app/folquora/id6499126532) - [NVC Teacher](https://appshunter.io/ios/app/nvc-teacher/id6741752742) - [HariOM](https://appshunter.io/ios/app/hariom/id6743381258) All apps by Alex Leeor: https://appshunter.io/developer/1725418988 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-17.*