225+ iOS apps curated and reviewed
The best stir fit lab apps on iPhone average 4.6★ across 225+ 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 | — | No | No | Jun 2026 |
| 2 |  | Free | 4.9★ (35K) | No | No | Aug 2026 |
| 3 |  | Free | 4.6★ (2.4K) | No | Yes | Aug 2026 |
| 4 |  | Free | 4.7★ (2.7K) | No | No | Aug 2026 |
| 5 |  | Free | 4.2★ (164) | No | No | Aug 2026 |
| 6 |  | Free | 4.8★ (1.9K) | No | Yes | Aug 2026 |
| 7 |  | Free | 4.8★ (9.6K) | Yes | Yes | Aug 2026 |
| 8 |  | $6.99 | 4.4★ (1.4K) | No | Yes | Aug 2026 |
This platform empowers fitness coaches to streamline client management and deliver personalized training. It offers tools for creating custom workouts, tracking progress, and direct client communication, allowing trainers to focus on coaching.
This app helps you proactively manage your health through a science-backed ecosystem. It integrates wearables, smart tools, and lab tests to help you understand your body, diagnose potential issues, and implement personalized lifestyle interventions for long-term well-being.
This platform connects fitness coaches with their clients, offering tools to streamline daily work, organize client information, and personalize training plans. It leverages data and AI to help coaches understand client progress and make informed decisions for better outcomes.
This app helps users manage their fitness journey by providing access to training plans, workout logging, and direct communication with their personal trainer. Users can track progress, log meals, and receive support to achieve their fitness goals.
This app offers personalized workout programs for muscle building, weight loss, and toning, whether at the gym or home. It includes meal planning, progress tracking, and a variety of challenges to keep you motivated on your fitness journey.
This app offers a vast library of structured strength training and muscle-building programs, including popular routines like nSuns and Reddit PPL. It provides tools for tracking workouts, monitoring progress, and even building custom plans. The app is designed to eliminate guesswork and provide proven methods for achieving fitness goals.
Track your gym and home workouts with detailed exercise logs, custom workout plans, and progress visualization. Features include a bodyweight workout generator, exercise animations, and a body tracker. Offers expert memberships for advanced features like cloud sync and web access.
Access quick, daily 30-minute workouts designed for busy schedules. Get new routines weekly, monthly programs for strength and leanness, and nutrition guidance. Join a supportive community and track your progress with extensive resources.
This app helps you plan and track your gym workouts for faster progress. Choose from a variety of workout plans or customize your own, track sets, reps, and weights, and monitor your personal bests to stay motivated.
This app connects clients with personal trainers, offering fitness program access, workout tracking, and progress monitoring. It also enables trainers to manage their business, build programs, and communicate with clients.
This comprehensive fitness app offers hundreds of exercises with detailed instructions, custom routine building, and progress tracking. It includes pre-defined routines, cardio and stretch options, food logging, and workout scheduling to help users achieve their fitness goals.
This app automatically tracks your gym strength training exercises using only your Apple Watch's motion. It offers AI-generated personalized workouts based on your recovery and goals, eliminating manual logging.
Create personalized home and gym workout plans in seconds with a vast library of illustrated exercises. This app offers beginner-friendly routines, progress tracking, and flexible scheduling to help busy women build strength and consistency.
This app creates personalized workout plans based on scientific research and your training data. It optimizes exercise selection, volume, and progression to help you build muscle efficiently. Integrates with HealthKit for seamless data tracking.
This app helps fitness instructors create and run music-driven classes. It synchronizes workout cues with music, allowing instructors to focus on coaching. Features include playlist integration, song tagging, and class sharing.
This app creates personalized strength training plans based on scientific principles to help you build muscle effectively. It adapts to your schedule, equipment, and fitness level, offering guidance on exercises and tracking your progress.
This intelligent fitness companion offers personalized workout plans and nutrition advice based on scientific insights. It adapts to your progress with real-time feedback, providing guidance for continuous gains and informed health decisions.
This app provides personalized strength training and weight loss workout plans, along with healthy meal recipes and mindfulness audio tracks. It offers progress tracking and expert tips from trainers to help busy women achieve their fitness goals efficiently.
This app revolutionizes strength training by offering advanced velocity-based tracking using your phone's camera, eliminating the need for expensive hardware. It provides detailed insights into fatigue, recovery, and progression, helping users maximize gains and prevent injuries.