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  • Citizen Scientist screenshot 1
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  • Citizen Scientist screenshot 4

About Citizen Scientist

Citizen Scientist is an app that measures your experience of urban or rural living in the moment. The Citizen Scientist app uses a technology called “ecological momentary assessment” to monitor how the surrounding environment affects our mental wellbeing. This technology involves presenting people with a prompt at random times, inviting them to answer questions about their surrounding environment and mental wellbeing. After answering the questions, participants are also invited to take a photograph of the ground or floor where they are standing and/or a short audio recording of their current environment. Once you start answering the questions you will be able to access an individualised report which summarises your experiences. In addition, Citizen Scientist integrates with the Health app to record information about geographical location data; participants can decide whether or not to provide this information. The data will help us understand how different aspects of the surrounding environment affect mental wellbeing, and will be used to inform novel clinical interventions and the planning and design of healthier cities. Participation in this research project is anonymous, and the information provided by individual participants is kept private and confidential.

What’s new

Version 1.2.8 · Updated May 27, 2026

Updates to the NatureBoost study

App privacy

The developer, NOMAD.ORG.UK LTD, reported these privacy practices to Apple.

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Usage Data: Product Interaction
  • Health & Fitness: Health, Fitness
  • Location: Precise Location, Coarse Location
  • User Content: Photos or Videos, Audio Data
  • Identifiers: Device ID
  • Sensitive Info: Sensitive Info
  • Diagnostics: Crash Data, Performance Data, Other Diagnostic Data

Used for: Analytics, App Functionality

Alternatives to Citizen Scientist

Looking for apps like Citizen Scientist? Here are 6 similar apps on the App Store. The highest rated is Moodz — Mood Tracker Journal (5.0/5), and all 6 are free to download.

Citizen Scientist vs. alternatives
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Citizen Scientist 5.0 / 5 (1 rating) Free May 27, 2026
Cerina – Free Aug 27, 2026 Compare
Moodz — Mood Tracker Journal 5.0 / 5 (1) Free Jun 1, 2026 Compare
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AlaniXFit 5.0 / 5 (5) Free Jan 28, 2026 Compare
Healthy Roots: Selfcare Habits 4.2 / 5 (5) Free Feb 27, 2026 Compare
SIRS Conference – Free Mar 25, 2026 Compare

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