200+ iOS apps & games curated and reviewed
The best nautilus trainer apps on iPhone average 4.1★ across 200+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
Manage your gym membership, track workouts, and access personalized fitness and nutrition plans. View schedules, book appointments, and sync data from various fitness trackers. Stay connected with trainers and nutritionists through integrated messaging.
Virtually travel the globe from home while exercising. The app syncs with compatible fitness equipment to adjust video playback to your speed. Track your progress, explore new destinations, and stay motivated on your fitness journey.
This app offers personalized cardio, strength, and whole-body workouts that adapt to your fitness level and daily needs. Enjoy streaming entertainment, scenic routes, and real-time coaching for a truly personal training experience at home.
This app offers secure mobile access to organizational content and processes. It allows users to manage documents, notes, forms, and workflows on the go, enhancing productivity and reducing costs for businesses.
This app provides surf-specific training programs designed to enhance strength, endurance, and mobility. It offers workouts, stretching routines, and breath training to improve performance in the ocean and prevent injuries. Users can join a community and track progress.
Achieve your fitness goals with AI-powered personalized coaching. Access multimedia workouts, track various sports, log weightlifting, and connect with a supportive community. Enhance your training with advanced heart rate feedback and performance analysis.
This app provides personalized swim and dryland workouts to help users improve speed, strength, and technique. It offers daily customized plans, expert coaching, and progress tracking for swimmers of all levels. Users can log swims, analyze performance metrics, and access technique drills.
This app offers a comprehensive platform for athletes and coaches to plan, track, and analyze training for endurance sports and strength building. It provides flexible scheduling, actionable insights, and integrated strength training to optimize performance and durability.
This app helps improve breath-holding capabilities for freediving, underwater hunting, and yoga. It calculates personalized training tables based on your maximum breath-hold time and offers various exercises to enhance stamina and control. Track your progress with statistics and charts, and utilize customizable timers with voice and vibration notifications.
This AI-powered fitness app creates personalized workout plans for home, gym, or hybrid training. It adapts to your goals, schedule, and feedback, offering real-time adjustments and AI coaching to help you progress and stay consistent.
Manage your aquarium with this comprehensive platform. Track water parameters, schedule maintenance, log livestock, and document your tank's progress with photos and videos. Connect controllers for automatic data import and sync across devices.
Manage your child's swim lessons and account with ease. Book classes, track attendance, and schedule makeups on the go. Receive important school announcements directly to your phone.
Engage in intense naval warfare as a submarine commando. Explore underwater environments, battle enemy warships and submarines using a variety of weapons, and experience realistic combat simulations. The game features multiple submarine classes and weapon types for strategic gameplay.
This app acts as an underwater coach, providing real-time visual feedback through smart goggles to improve swimming technique and performance. It offers guided workouts, open water navigation, and detailed post-swim analysis, syncing data with popular fitness platforms.
This utility app uses your iPhone's camera flash to program a unique MMSI number into a compatible marine rescue GPS device. This allows the device to send Man Overboard and emergency distress signals via AIS and DSC.
Build and manage a thriving aquarium, attracting visitors and collecting diverse aquatic life. Upgrade exhibits, research marine species, and expand your facilities to earn money and become a wealthy aquarium tycoon.
This app acts as your personal swim coach, offering tailored training plans and expert workouts to help you swim faster and stronger. It provides a motivating community, detailed tracking, and educational videos to enhance your performance in and out of the water.
Remotely monitor and control your aquarium's equipment, including lights, pumps, and heaters. Observe your aquatic environment through connected webcams and receive instant alerts for critical issues. Manage multiple aquariums and log important water parameters and observations.