PLAD TRACE by MetricWire
Health & Fitness
Free · Designed for iPad. Not verified for macOS.
PLAD TRACE by MetricWire is part of the PLAD TRACE research study, conducted by researchers at Yale University. The app is designed to support research into daily experiences, behavior, and how people interact with their environment and smartphones.
Through PLAD TRACE, you can securely participate in surveys and contribute valuable data that helps researchers better understand how everyday thoughts, feelings, and behaviors relate to daily life.
Your experience with the PLAD TRACE app is tailored specifically for this study, based on the protocol developed by the research team using the MetricWire research platform.
The app provides a secure and user-friendly way to manage your participation:
• Informed Consent: Before joining the study, you will be presented with clear consent information explaining what data will be collected, how it will be used, and who will have access to it. Participation is voluntary, and you may withdraw from the study at any time.
• Data Privacy and Control: All information collected through the app is securely stored. Your data is protected by MetricWire and managed by the PLAD TRACE study team in accordance with the study protocol.
PLAD TRACE supports important areas of behavioral and health research:
• Daily Surveys: As part of your participation in the PLAD TRACE research study, you will be asked to respond to surveys about your thoughts, feelings, and behaviors.
• Sensor-Based Data Collection: With your permission, the app may collect data from smartphone sensors to better understand activity levels, aspects of your environment, and how you use your smartphone.
By participating in the PLAD TRACE study, you help researchers gain insights that may contribute to a better understanding of behavior, daily experiences, and health.
PLAD TRACE by MetricWire provides a simple and secure way to participate in research while contributing to meaningful scientific discovery. If you have questions about the study, please contact the PLAD TRACE study team using the contact information they have provided.
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Bug fixes
The developer, MetricWire Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Contact Info
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Location
- User Content
- Usage Data
- Sensitive Info
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- MetricWire Inc.
- Size
- 235.1 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Location
- This app may use your location even when it isn’t open, which can decrease device battery life.
- Languages
English and 3 more
- English, French, German, Polish
- Age Rating
4+
- 4+
- Copyright
- © 2026