54+ iOS apps curated and reviewed
The best pdb extreme apps on iPhone average 4.1★ across 54+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | $9.99 | 4.9★ (212) | No | Yes | Aug 2026 |
| 2 |  | Free | 4.1★ (92) | Yes | Yes | Aug 2026 |
| 3 |  | Free | 3.6★ (166) | No | No | Aug 2026 |
| 4 |  | Free | 1.6★ (304) | No | No | Jul 2026 |
| 5 |  | Free | 4.2★ (4.9K) | Yes | Yes | Aug 2026 |
| 6 |  | Free | 4.5★ (309K) | Yes | Yes | Aug 2026 |
| 7 |  | Free | — | No | No | Aug 2026 |
| 8 |  | Free | — | No | Yes | Jul 2026 |
Access a comprehensive piping database with detailed component information, dimensions, and figures. This continuously updated reference app offers a user-friendly interface for piping layout, drawings, and material take-offs. Get all modules for free for a limited time.
Explore personality types and character archetypes through tests and a large database of fictional and real individuals. Discover insights into motivations and behaviors, and create your own quizzes.
Explore and interact with 3D molecular models on your device. Rotate, zoom, and pan structures using intuitive touch gestures. Visualize molecules in different modes and load custom structures from various sources.
Access state licensing information for insurance professionals. View and manage your professional credentials on the go. This tool helps verify licensing status and compliance.
Connect with like-minded individuals based on personality types and shared interests. Explore various typology frameworks, discover your cognitive functions, and build genuine friendships in a safe, inclusive community. Perfect for introverts and deep thinkers seeking meaningful connections.
Discover new connections with AI-powered matching based on shared interests and energy. Create unique profiles with AI-generated bios and engage in meaningful conversations. Find friends or partners nearby or globally.
This app provides comprehensive real-time monitoring for MySQL, MariaDB, and Percona Server databases. Access critical server status, performance metrics, and detailed event timelines directly from your mobile device.
Prepare for your Pediatric Dental Board exams with a comprehensive flashcard system. Access over 1,000 high-yield questions, detailed explanations, and clinical scenarios to build in-depth knowledge. Track your progress and master the material for test day success.
Easily convert ebooks between numerous formats like EPUB, MOBI, and PDF. Simply select your file, choose an output format, and convert in seconds. Save, share, or open converted files in your preferred reader apps.
Discover new friends globally through a swiping interface. Connect with people who share your interests via chat, voice notes, and GIFs. Prioritizes safety with user verification and community guidelines.
Stay connected with the Denver Broncos through the official team app. Access breaking news, real-time stats, on-demand videos, and manage your gameday experience. Personalize your profile, track favorite players, and enjoy exclusive fan content.
Discover new friendships with people in your vicinity. Share anonymous compliments and connect through shared interests. Swipe to find matches, add them on social media, and start chatting.
Explore your unique personality and relationships through Human Design and Astrology. This app generates your Bodygraph, decodes compatibility, and analyzes daily transits for actionable insights into your life's design.
Discover your personality and trauma profile with quick, scientifically backed tests. Access personalized growth programs and actionable insights designed by clinical psychologists to improve mental health, relationships, and career success.
This mobile reference tool provides essential data for piping engineers and professionals in various industries. It offers standard dimensions for steel and stainless steel pipes, supporting both US Customary and SI units.
Access dimensional and weight data for over 70 common ASME piping components. Provides information in Metric, US Customary Units, and Inch/Fractions, with audited weights for valves, flanges, and other parts. Ensures accuracy and up-to-date information based on the latest ASME specifications.
This application allows users to build and view 3D molecular models. It supports various bond types and visualization styles, and can load molecules from SDF and PDB file formats. Ideal for students, educators, and researchers.
Explore 3D models of biological molecules like proteins and DNA from public databases. Visualize and customize molecular structures with various representations and coloring schemes. Analyze interactions and view your own structure files.