Track your workouts, log results, and analyze your performance over time. Discover and share workouts with a global community of athletes. Premium features offer deeper insights and community comparisons.
UNDRDOG Fitness by Amped Fitness LTD




249+ iOS apps curated and reviewed
Every iPhone needs a few good undrdog fitness apps. We benchmark 249+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | — | No | No | May 2026 | |
| 2 | Free | — | No | No | May 2026 | |
| 3 | Free | 5.0★ (1) | No | Yes | May 2026 | |
| 4 | Free | 1.0★ (4) | No | No | Jul 2026 | |
| 5 | Free | 5.0★ (4) | No | No | Jun 2026 | |
| 6 | Free | 1.0★ (5) | No | No | Aug 2026 | |
| 7 | Free | 4.6★ (8.2K) | No | Yes | Aug 2026 | |
| 8 | Free | — | No | No | Aug 2026 |















Track your workouts, log results, and analyze your performance over time. Discover and share workouts with a global community of athletes. Premium features offer deeper insights and community comparisons.


This app provides gym members with convenient access to manage their membership, register for classes, and view club information. It offers features like digital access cards, payment management, and personal information editing, all within a user-friendly interface.


Manage your fitness journey with this app. Book classes, order food and drinks, purchase memberships, and scan into the gym. Stay updated on news and promotions through push notifications.


Manage your gym membership, book classes, and track your fitness journey. Earn rewards through a loyalty program and participate in community challenges. Seamlessly control your membership details directly from your device.


This app transforms exercise into an engaging game by using your body as the controller. It pairs with specialized fitness equipment to make workouts fun and fast, allowing you to achieve fitness goals through interactive gameplay.






This app offers a comprehensive fitness coaching experience with a vast library of exercises and expert-designed workout routines. It provides personalized training plans, video guidance, and options for all fitness levels, allowing users to achieve their health and fitness goals at home.




Achieve your fitness goals with personalized AI-driven workout plans and a vast library of 3D exercises. Track progress, access diverse video workouts, and manage nutrition and mindfulness for a holistic approach to health.


This app is your gateway to a Denver-based fitness studio offering group HIIT and Altitude Studio training. Book classes, manage your account, and discover premium recovery amenities and social events.


This app offers a personalized fitness platform with interactive workouts, guided coaching, and social features. Track your progress, build confidence, and achieve your fitness goals with real-time analytics and community engagement.


Easily browse and purchase fitness class packs and memberships. View the class schedule, filter by type, and manage your reservations to stay organized and committed to your fitness goals.


This app creates personalized training plans for soldiers preparing for the Army Fitness Test (AFT). It analyzes your current scores to target weak points and improve overall performance, offering structured progression and workout logging.


Discover and stream virtual or in-studio fitness classes with friends. This app uses AI to recommend workouts and allows you to connect with instructors and classmates. Track your progress, set goals, and earn rewards for attending classes.


This app logs your gym workouts with sets, reps, and weights, offering RPG-style progression based on your real results. It tracks muscle group balance and provides feedback on your training effectiveness to keep you motivated and consistent.


Transform your home into a smart fitness hub. Connect your MERACH equipment for guided workouts, real-time control, and diverse on-demand classes. Achieve your fitness goals with structured programs and detailed performance tracking.


Manage your fitness membership, book PT sessions, and stay updated on group class schedules. Find nearby clubs, browse facilities, and receive important notifications.