0+ iOS apps curated and reviewed
The best dive calculator apps on iPhone average 4.3★ across 0+ 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 |  | Free | 4.6★ (24) | No | Yes | May 2026 |
| 2 |  | Free | 4.6★ (93) | No | Yes | Aug 2026 |
| 3 |  | Free | 4.9★ (46K) | No | No | Aug 2026 |
| 4 |  | Free | 4.9★ (468) | No | Yes | Aug 2026 |
| 5 |  | Free | 3.1★ (7) | No | Yes | Aug 2026 |
| 6 |  | Free | 4.8★ (845) | No | No | Aug 2026 |
| 7 |  | Free | 4.4★ (4.6K) | No | Yes | Aug 2026 |
| 8 |  | Free | 4.8★ (8.2K) | No | No | Aug 2026 |
This app provides comprehensive scuba diving calculations, including basic, nitrox, and trimix gas mixes. It supports both metric and imperial units, and allows for gas volume and cost calculations for blending and top-ups. Results can be easily copied for documentation.
This comprehensive dive toolkit helps recreational, advanced, and technical divers plan dives, log underwater adventures, and blend gases. It offers advanced planning tools, dive computer import, and essential calculations for safe and efficient diving.
This app provides comprehensive scuba diving resources, allowing users to learn, log dives offline, verify certifications, and discover new adventures. Stay connected with the diving community and book your next underwater experience.
This application serves as a straightforward calculator for nitrox and enriched air divers. It quickly computes essential dive data such as Maximum Operating Depth (MOD), Equivalent Air Depth (EAD), Best Mix, and Partial Pressure of Oxygen (PPO2). It supports both imperial and metric units and offers a companion watch app for on-the-go calculations.
Plan technical and recreational scuba dives with detailed gas management, decompression schedules, and contingency planning. This tool helps divers quickly create and share dive plans for various depths and conditions.
This app serves as a comprehensive diving logbook and planning tool. It automatically records dive data, tracks gas consumption, and supports various diving disciplines. Users can also discover dive sites, manage gear, and share experiences with a community.
Transform your Apple Watch Ultra into a comprehensive dive computer for scuba, freediving, and snorkeling. Explore new locations with heatmaps, track your routes, organize underwater media, and share your adventures securely. Plan dives, monitor real-time data, and stay safe with advanced algorithms.
Access digital training materials, certifications, and a digital logbook for various diving disciplines. Track dive progress, manage gear, and earn ratings. Connect with dive centers and stay updated on industry news and events.
This app helps plan scuba dives with various calculators for gas, depth, and air consumption. It supports metric and imperial units and offers advanced features through an in-app purchase.
Enhance your underwater photos and videos with one-tap color correction. Connect with a global community of divers, share experiences, and access valuable diving information. Explore dive sites and meet fellow enthusiasts worldwide.
This app simplifies recreational dive planning by calculating essential dive parameters for up to three consecutive dives. It provides automatic calculations for residual nitrogen, safe ascent times, and includes a visual dive graph for easy review. Designed for both new and experienced divers, it ensures adherence to safety standards for stress-free underwater exploration.
Track your health and fitness activities with detailed statistics and personalized insights. Create custom workouts, build courses, and challenge friends. Syncs with compatible devices and other popular fitness apps.
This app helps divers plan their dives by calculating maximum operating depth, optimal oxygen percentage, and equivalent air depth. It also assists in gas mixing for filling tanks, determining the required mix or the resulting blend.
A powerful calculator designed for professionals and students, offering advanced features like RPN mode, multi-line display, and extensive unit conversions. It supports various number systems and includes an Apple Watch app for on-the-go calculations.
Calculate the optimal weight for scuba diving based on environmental factors. Input your weight, water type, tank, and exposure suit to get a suggested weight for neutral buoyancy.
This app provides a quick and reliable toolkit for public safety dive teams to calculate essential dive planning values. It includes calculators for gas partial pressure, consumption, surface air consumption, tank factor, tank volume, and maximum operating depth. Designed for speed and clarity in field use, it serves as an educational aid for divers, supervisors, and instructors.
Easily record your scuba dives with an unlimited logbook. Track dive sites, conditions, equipment, and personal notes. Connect with dive partners and view comprehensive statistics.
Log your SCUBA dives with detailed information, including GPS coordinates and dive buddy details. Supports metric and imperial units, and integrates with desktop software for comprehensive dive history management.
This app digitizes scuba diving logs, replacing traditional paper books. It allows divers to record detailed information about each dive, including photos, videos, and equipment, with both free and premium features available.