242+ iOS apps curated and reviewed
Out of 242+ health study apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.2★ (1.5K) | No | No | Aug 2026 |
| 2 |  | Free | 4.0★ (3) | No | No | May 2026 |
| 3 |  | Free | — | No | No | May 2026 |
| 4 |  | Free | 5.0★ (1) | No | No | May 2026 |
| 5 |  | Free | 4.9★ (24K) | No | No | Sep 2026 |
| 6 |  | Free | 4.5★ (7K) | No | Yes | Aug 2026 |
| 7 |  | Free | — | No | No | May 2026 |
| 8 |  | Free | 5.0★ (6) | No | No | Jul 2026 |
Contribute to groundbreaking health research by participating in studies using your Apple Watch and iPhone. Gain insights into your health and help advance medical science and Apple's health technologies. Choose which data to share and manage your contributions.
This app helps individuals assess their heart health by analyzing personal health data from their iPhone's Health app. It generates a comprehensive heart disease risk report, including scores, risk factors, and lifestyle recommendations, which can be shared with a doctor. The study aims to understand how digital access to health data can empower individuals in managing their cardiovascular well-being.
This research app collects data for a Harvard study on vaping and health. It allows remote participation through health and wellbeing surveys and provides a dashboard to track participant progress. Interested individuals can contact the study organizers for more information.
Take control of your health with comprehensive lab testing, personalized protocols, and AI-powered insights. Understand your body's data, track changes over time, and make informed decisions for long-term wellness. Connect wearables and upload records for a complete health picture.
This app helps users improve concentration and reduce procrastination with custom timers and progress tracking. It offers motivational features, community study rooms, and detailed statistics to help achieve productivity goals.
Participate in digital health studies to help researchers understand disease causes. Activities include watching videos, answering questions, and syncing wearable device data. All studies are approved by a human subjects protection program.
This app helps students plan their academic life effectively. It allows you to create custom plans, manage schedules, organize tasks, and track your GPA. Get more done and achieve your academic goals with this comprehensive planner.
Manage your clinical trial participation with ease. Interact with your study team, track visits, complete eDiaries, and access important documents. Securely connect devices for data collection and get 24/7 support.
This app allows research study participants to complete surveys and play games to contribute data for health and medicine research. Users must have an existing account from their study sponsor to participate.
Discover clinical research studies you may qualify for. Filter by location and personal health details like age and existing conditions. Find opportunities to participate in medical research.
This app facilitates participation in a clinical trial for infant formula, allowing subjects to manage study tasks and data collection remotely. It streamlines the research process by eliminating physical site visits, ensuring robust data collection and increased participant compliance.
Participate in a no-cost research study to understand disease causes and save lives. Complete surveys on your health and behaviors to contribute to early detection research and discover new study opportunities.