250+ iOS apps curated and reviewed
If you already know API Events., this is the deeper bench. 250+ american petroleum institute 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 | 2.3★ (3) | No | No | Jun 2026 |
| 2 |  | Free | 4.6★ (4.3K) | No | No | Aug 2026 |
| 3 |  | Free | 4.9★ (8) | No | No | Jul 2026 |
| 4 |  | Free | — | No | No | May 2026 |
| 5 |  | Free | 3.0★ (6) | Yes | No | Aug 2026 |
| 6 |  | Free | — | Yes | No | May 2026 |
| 7 |  | Free | — | No | No | Aug 2026 |
| 8 |  | Free | — | No | No | May 2026 |
Stay informed about API conferences and events. Access detailed information on agendas, speakers, and exhibitors. Connect with fellow attendees to enhance your networking experience.
Stay informed with real-time oil prices, global energy news, and in-depth market analysis. Customize your portfolio with price alerts and track over 200 oil blends. Engage with a dedicated community and share insights.
This app serves as a digital hub for professionals in the oil and gas industry. It provides access to your membership profile, industry news, online communities, and technical publications. Stay connected with peers and resources through this comprehensive platform.
This app connects geoscientists and energy professionals to share best practices, discover solutions, and develop strategies for the future of applied geosciences and energy. It offers a platform for networking and exploring technical presentations and exhibition experiences.
This multitool app assists oil and gas industry professionals and students with everyday tasks. It features an interactive formula calculator for fifty equations, a unit converter for common industry parameters, and a reference section with illustrated information.
This app provides an interactive analysis of US rotary rig counts, a key indicator for the drilling industry. It helps users understand demand for products used in hydrocarbon extraction and processing.
This app provides essential data and calculators for oil and gas well calculations. Access key dimensions, strengths, and specifications for tubulars to quickly determine volumes and capacities. Supports multiple unit systems for flexible calculations.
This app provides a comprehensive guide to petroleum engineering, covering fundamental concepts and advanced topics. It explains the role of petroleum engineers in finding and extracting oil and gas, making processes safer and more efficient.
Manage hotel and transportation reservations offline. Access hotel information, crew benefits, and provide feedback on suppliers. Exclusively for Accommodations Plus International clients.
