243+ iOS apps curated and reviewed
If you already know References On Tap, this is the deeper bench. 243+ referencesontap apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.7★ (304) | No | Yes | Aug 2026 |
| 2 |  | $2.99 | 4.8★ (1K) | No | No | Aug 2026 |
| 3 |  | Free | 4.9★ (98) | No | Yes | Sep 2026 |
| 4 |  | Free | 3.7★ (22) | Yes | No | Aug 2026 |
| 5 |  | $19.99 | 4.8★ (16) | No | No | Aug 2026 |
| 6 |  | Free | 4.8★ (3.2K) | No | Yes | Sep 2026 |
| 7 |  | $19.99 | 4.5★ (270) | No | No | Aug 2026 |
| 8 |  | $1.99 | 4.8★ (1.2K) | No | Yes | Aug 2026 |
This app helps you find, display, and import reference information and PDFs from various academic databases. Organize your references into groups, perform advanced searches, and sync your library across devices. It offers both a one-time purchase for core features and a subscription for cloud syncing.
Access and manage biomedical literature from PubMed and PubMed Central. Find, display, and import reference information and full-text articles. Organize your references and share them easily.
This clinical reference tool helps critical care professionals understand complex patient conditions. It provides organ-system-based information, ventilator settings, drug references, calculators, and interactive protocols. Designed for nurses, therapists, and providers, it focuses on deep understanding rather than just quick lookups.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Access comprehensive drug information for nurses, including over 5,000 trade and generic names, FDA-approved drugs, and Black Box Warnings. Features safety alerts, IV administration details, and nursing process frameworks to ensure accurate and safe medication administration.
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.
This app provides a comprehensive library of over 170 instructional videos for knitting techniques. It covers everything from basic stitches to advanced methods, organized into clear categories. All videos are stored offline for convenient access anytime, anywhere.
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.
Quickly access critical information on hazardous materials for handling, storage, and incident response. Features include advanced search, sorting, and filtering of materials from key regulatory tables and guides. Offline access ensures availability in any situation.
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.
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.
This app provides the Scofield Reference Bible with King James Bible text, offering concise commentary and cross-references to aid in understanding scripture. It features offline access, daily Bible verses, audio downloads, and highlighting capabilities for a comprehensive study experience.