225+ iOS apps curated and reviewed
Looking for free amino acids otg apps? 20 of our 225+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (1) | Yes | No | Jun 2026 |
| 2 |  | Free | 4.8★ (11K) | Yes | Yes | Jul 2026 |
| 3 |  | Free | 4.8★ (3K) | Yes | No | Jul 2026 |
| 4 |  | Free | 4.8★ (12K) | No | Yes | Jul 2026 |
| 5 |  | Free | 4.7★ (63K) | Yes | Yes | Jul 2026 |
| 6 |  | Free | 4.8★ (40K) | No | No | Jul 2026 |
| 7 |  | Free | 4.8★ (95K) | Yes | Yes | Jul 2026 |
| 8 |  | Free | 4.6★ (77K) | Yes | Yes | Jul 2026 |
Master amino acids with interactive flashcards and dynamic quizzes. Access comprehensive details, track your progress, and study offline in multiple languages. Customize your learning for focused study sessions.
Manage and optimize your daily vitamin and supplement regimen. This app helps you build a personalized plan, track your intake, and receive expert recommendations based on your health goals. It also provides independent quality ratings for over 500 supplement brands.
Effortlessly track your nutrition by simply taking a photo of your meals. Receive instant analysis, personalized insights, and recommendations to make healthier choices. Stay active by tracking your steps and earn rewards for healthy habits.
This app provides personalized health guidance based on your data, covering exercise, sleep, nutrition, and stress. It helps you understand your body's readiness, optimize training, and improve overall well-being with science-backed insights.
This app helps you improve sleep and energy levels by tracking sleep debt and circadian rhythms. It offers personalized recommendations, guided meditations, and smart alarms based on sleep science.
Shop a wide selection of health and wellness products, including vitamins, supplements, and protein. Earn rewards, manage subscriptions, and access exclusive deals. Find products, read reviews, and get personalized notifications.
Track your diet and exercise with an extensive food database and detailed nutrient breakdowns. Monitor progress towards health goals, integrate with fitness devices, and gain insights into sleep patterns. Offers premium features for enhanced tracking and an ad-free experience.
This app helps millions track food intake, exercise, and sleep to improve health and achieve weight loss goals. It analyzes food quality, counts macros, and offers personalized dietary advice for various health needs. Scan barcodes to uncover hidden ingredients and discover healthier alternatives.
This app helps you achieve your fitness goals by providing personalized calorie and macro tracking, meal timing guidance, and flexible scheduling. It adapts to your progress with weekly reviews and offers a vast food database with barcode and AI nutrition label scanning.
Explore the properties and structures of all 20 amino acids with detailed diagrams and 3D models. Test your knowledge with various quiz types, and access daily learning prompts on your Apple Watch.
Shop a wide selection of health and wellness products, including vitamins, supplements, sports nutrition, beauty, and self-care items. Enjoy exclusive app discounts, rewards for sharing, and guaranteed quality from trusted brands. Get fast delivery and easy returns.
Empower your supplement choices with science-backed reviews. Instantly scan barcodes or search our database to understand ingredient efficacy, safety, and research quality. Make informed decisions about your health investments.
This app helps you meticulously track peptide research, including inventory, logs, nutrition, wellness, and notes. It replaces scattered data with an organized, private system for consistency and offers features like injection site tracking, side effect logging, and AI-powered meal scanning.
Effortlessly track your food intake with AI-powered photo and barcode scanning. Get detailed nutritional breakdowns, personalized diet plans, and expert health advice to achieve your weight loss and wellness goals.
This app guides users through personalized intermittent fasting and nutrition plans to achieve sustainable weight loss. It offers features like a food scanner, progress tracking, and a community for support, helping users burn fat and improve overall health.
Manage your supplement and medication intake with helpful tools designed to keep you on schedule. Order high-quality supplements directly to your door and collaborate with your healthcare provider for personalized wellness insights. Stay on track with reminders and easy reordering.
This app helps users achieve sustainable weight loss and health goals through personalized intermittent fasting plans and an AI-powered calorie counter. It offers features like food scanning, hydration tracking, and detailed progress monitoring. Users can access science-based insights and healthy recipes to support their journey.
This app uses precision-engineered binaural beats and isochronic tones to synchronize neural oscillations for enhanced brain performance, clarity, and recovery. It offers a spectrum of frequencies for focus, sleep, health, and spiritual exploration.
Easily log your meals and track your progress towards custom nutrition goals. This app offers fast food logging, detailed insights into your eating habits, and seamless integration with Apple Health. Monitor calories, macros, and more to achieve your health and fitness objectives.
This app uses scientifically designed soundscapes to help users fall asleep faster, stay asleep longer, and wake up refreshed. It also offers modules for power naps and focused work sessions, all customizable for a personalized experience.