Best Referencesontap Apps

Extensive multilingual dictionariesVerb conjugatorsSynonym finder

Access a comprehensive suite of dictionaries and translation tools for multiple languages. Explore conjugations, synonyms, and a vast forum with millions of answered questions. This app provides quick access to extensive language resources.

Lineman's Reference - XFMR LAB

(27)

ad-supported

Transformer Training Simulator

$19.99

This interactive simulator allows users to study and learn transformer connections. Test your wiring with various meters, and experience consequences of improper connections. Includes reference diagrams, informational material, and a quiz mode to test knowledge.

Transformer connection simulationVolt, ohm, and rotation metersAbnormal voltage and fuse explosion simulation

📚 Education

(307)

free

Handy Art Reference Tool

3D Lit Reference for Artists!

$1.99

This app provides artists with rotatable 3D models of hands, heads, and feet for drawing reference. Customize poses and lighting to achieve realistic results for your artwork. Additional packs for animal skulls and foot rigs are available for purchase.

Rotatable 3D limb modelsCustomizable posesAdjustable 3-point lighting

📚 Education

(1.2K)

Value Study: art reference

Analyze light and shadow

Step-by-step tone breakdownHighlighting areas of same valueFocus on light, shadow, and form

This app helps artists improve their skills by analyzing light and shadow in reference images. It allows users to break down tones step-by-step, from simple black and white to more complex value ranges, aiding in the understanding of depth and form. It's a tool to enhance traditional art studies.

🎨 Graphics & Design

(3.3K)

Scofield Reference Bible Note

Commentary and KJV Holy Verses

Classic Bible commentaryExtensive cross-referencesKJV Holy Verses

This app provides extensive commentary and cross-references for Bible study, based on a classic 1909 reference work. It's designed to assist both new and experienced readers in understanding scripture.

📚 Books

(2.5K)

ad-supported

FAR/AIM - FAA Pilot Reference

Aviation Regulations

Complete FAR/AIM textIntelligent full-text searchContext-sensitive search

Access comprehensive aviation regulations and the Aeronautical Information Manual on your mobile device. Stay updated with frequent content revisions and utilize powerful search and bookmarking tools for quick reference.

(1.1K)

Ugly's Electrical References

by Informed Publishing

$12.99

This app provides electricians and electrical professionals with up-to-date digital information based on the National Electrical Code. It includes formulas, wiring diagrams, conduit bending guides, and calculators for various electrical calculations. The app is designed for on-the-job reference and works offline.

NEC 2026 updatesMathematical formulas and calculatorsConduit bending guide with videos

📊 Productivity

(1.5K)

paid

Zillow Real Estate & Rentals

Buy & Sell Homes & Apartments

3D home toursVirtual stagingBuyAbility score estimation

Explore homes and apartments with advanced tools like 3D tours and virtual staging. Estimate your buying budget, connect with agents, and manage the entire home buying or renting process seamlessly. Find your perfect place faster.

Text, Photo & Voice Translator

Text translationOffline translationInstant camera translation

Instantly translate text, voice, and images between hundreds of languages. Features include offline translation, real-time conversation translation, and the ability to save frequently used phrases.

(84K)

All-in-One Guitarist's Suite

Guitarist's Reference

$19.99

This comprehensive suite offers a vast collection of guitar chords, scales, and arpeggios with clear diagrams and detailed theory. It includes tools for finding chord-scale relationships, exploring alternate tunings, and even a virtual guitar for practice.

3000+ guitar chords with diagrams42 scale types including modes and pentatonicsArpeggio finder

🎵 Music

(16)

free

Lab Values+ Medical Reference

Labs, panels & abbreviations

$2.99

This app provides a comprehensive medical reference, combining lab values, medical abbreviations, and prefixes/suffixes. It offers editable data, detailed lab information, and links to external resources for quick access to critical medical data.

3-in-1 medical reference (Lab Values, Abbreviations, Prefixes/Suffixes)Fully editable lab dataHundreds of lab reference values

🏥 Medical

(44)

paid

Complete Reference for D&D 5

For Dungeons and Dragons 5

Offline access to spells, items, and monstersSearchable SRD 5 contentOnline Content Creator for custom content

This app serves as a comprehensive guide for playing tabletop role-playing games, offering quick access to spells, items, and monsters without needing internet. It includes tools for Dungeon Masters and a character sheet manager, with the option to add custom content and print cards.

📊 Productivity

(273)

Evidence-Based Clinical AI

OpenEvidence

Clinical decision supportMedical search engineSourced from peer-reviewed literature

This app provides healthcare professionals with evidence-based clinical decision support and medical information. It acts as a search engine, sourcing answers from peer-reviewed literature and leading medical organizations to aid in high-stakes medical decisions at the point of care.

🏥 Medical

(12K)

free

Mosby's Drug Reference

Over 5,000 Drug Listings

Over 5,000 drug listingsBlack Box Warnings and Safety AlertsDrug action, usage, dosage, interactions, side effects

This app provides healthcare professionals with comprehensive drug information, including actions, usage, dosage, interactions, and side effects. It emphasizes patient safety with Black Box Warnings, Safety Alerts, and information on life-threatening side effects. Features include custom notes, highlights, and quick search functionality.

🏥 Medical

(235)

Daily Study, Audio & Prayer

Bible

3,500+ Bible versionsAudio BiblesThousands of Reading Plans

Access a vast library of Bible versions in multiple languages, listen to audio Bibles, and engage in daily study with friends. Create prayers, add notes, and customize your reading experience with themes and verse images.

(14M)

Great Britain and Ireland

GPS OS Grid Reference

Offline map locationAccurate grid referencesWaypoint creation and management

This app accurately pinpoints your location on Ordnance Survey maps for Great Britain and Ireland, even without a phone signal. It offers precise grid references, waypoint creation, and navigation features. The display is designed for clarity in all lighting conditions, and it optimizes battery usage.

🗺️ Navigation

(17)