RV Pocket Reference
Calculated Industries, Inc.
Explore RV systems with diagrams
Access RV types, classes, and system diagrams for electrical, plumbing, and appliance setups. Includes calculators for weight, leveling, and towing calculations.
Apps Like Carmin for iPhone and iPad
Access wiring diagrams and technical docs
Access electrical wiring diagrams for car repair and study. View videos and technical documents for research. Update diagrams regularly for accurate information. Navigate through a library of resources with simple clicks.
Carmin screenshots
Ranked alternatives
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Electric Toolkit - Calculator
Cyberprodigy LLC
Wire diagrams, pinouts, calculate electricity
Access electrical wiring diagrams for switches, fans, and outlets. Calculate grounding conductor sizes. View diagrams for 3-way switches, 4-way switching, GFCI, and more. Includes NEC 2014 to NEC 2023 standards.
2017 Master Electrician Ref.
PawEng, LLC
Access electrical codes and standards
Access electrical codes and standards for residential, commercial, and industrial applications. Search for wiring diagrams, safety protocols, and equipment specifications. View detailed explanations of electrical systems and components.
Copeland Mobile
Copeland LP
Access product specs and details anytime
Access product specifications for air conditioning and refrigeration equipment. Search by model number, view detailed technical data, and download documentation. Login with existing OPI credentials or create a new account.
Perplexity: AI Agent & Search
Perplexity AI Inc.
Ask questions and get accurate answers
Access credible, up-to-date information with source citations. using AI models from OpenAI, Anthropic, and Meta. Draft emails and conduct research. Sync across devices. Follow threads for detailed follow-ups.
AI Chat 5.0: Genius
Torqued Studios LLC
Analyze photos and generate text
Use to analyze photos, identify objects, and understand diagrams. Get writing assistance, research help, and code support. Solve problems with AI-driven analysis and personalized guidance.
Google Gemini
Google LLC
Brainstorm, simplify, rehearse with AI
Use AI to brainstorm ideas, simplify complex topics, and rehearse for important moments. Share camera or screen content for real-time analysis. Generate mockups, design posters with precise text, and create diagrams using AI tools.
Ting
Whisker Labs, Inc.
Monitor power outages in real time
Monitor electrical systems for sparks and micro-arcs. Receive real-time alerts for power outages. Integrate with a sensor for fire prevention. Track electrical hazards and manage alerts within the .
Electrician Handbook — Basics
Sergey Vavaev
Access theory, diagrams, and calculators offline
’s provides access to electrical theory topics, including exercises with answers. Features interactive diagrams for hands-on learning. Includes calculators and formulas for electrical calculations. Works offline without ads or subscriptions.
Ugly's Electrical References
Informed Publishing
Access code tables and track updates
Access code updates for 2023 NEC and NEMA standards. View table changes, formulas, and conduit bending guides with video tutorials. Calculate ampacity and conduit fill. Include transformer data and wiring configurations.
WR Mobile
Copeland LP
Access product data and replacement info
Access product replacement data for OEM, competitive, and White-Rodgers thermostats and gas valves. View wiring diagrams, sell sheets, and installation instructions. Retrieve operating guidelines and cross-reference information.
PilotPal: Flight Planner EFB
Tinybyte Apps LLC
Download charts and view diagrams
Download and view FAA airport diagrams and facility directories offline. Access airport maps, frequencies, elevation, and helipad information. Find nearby airports and save favorites for quick access. Update charts monthly for accurate data.
Bassport
Nikita Nesporov
Calculate subwoofer enclosures and wiring diagrams
Calculate bass reflex box settings, quarter-wave resonator configurations, and subwoofer enclosure tuning. Generate sine waves and verify box settings. View speaker wiring diagrams for parallel and serial connections. Select appropriate power cables.
Piper PA-44 Training
Aircraft Training Aids, LLC
Explore aircraft systems with interactive diagrams
Learn about aircraft systems and limitations through organized chapters based on the POH. Explore interactive diagrams to tap on components and see system changes.
Kopperfield
Kopperfield, Inc.
Design projects with load calcs and diagrams
Provides load calculations, line diagrams, and panel schedules for electrical projects. Users input property details to generate updated calculations.
A NEC® Quick Reference
Alan Cave
Access code sections and requirements
Access NEC code sections for electrical installations. Search by topic or keyword. View diagrams and tables. Save and annotate code excerpts. Share references via email or messaging.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.