Best Citizen Science Apps

201+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated May 2026

From beginner-friendly picks to power-user tools, our citizen science list covers 201+ iPhone apps updated through May 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Citizen Science

0.0(0 ratings)
Free
Citizen Science screenshot 1
Citizen Science screenshot 2
Citizen Science screenshot 3

This application enables the public to contribute to scientific research by collecting and submitting data for various surveys, making it easier for researchers to gather information and gain insights. By participating in these surveys, users can help advance scientific knowledge and access their submissions online, while also allowing other researchers to utilize the collected data for further studies.

iNaturalist Classic#2

iNaturalist Classic by iNaturalist

Connect with Nature
Strong Contender
๐Ÿ“š Education
4.6๐Ÿ˜Š(4.6K ratings)
Free
iNaturalist Classic screenshot 1
iNaturalist Classic screenshot 2

A nature-focused social network helping users identify and share observations of plants and animals. Connect with a community of scientists and naturalists to contribute to biodiversity research and learn more about nature. Explore visually similar species matches, share observations, and help advance scientific understanding of the natural world!

What We Love

  • ๐Ÿ‘ Helpful for identifying plants, animals, and fungi
  • ๐Ÿค Supportive community of experts
  • ๐ŸŒฑ Contributes to citizen science and research
  • ๐Ÿ” Accurate identification suggestions

Room to Improve

  • ๐Ÿ› Occasional crashes or bugs
  • ๐Ÿ” Difficulty finding/sorting observations
  • ๐Ÿ”’ Privacy concerns around data sharing
Seek by iNaturalist#3

Seek by iNaturalist by iNaturalist

Identify plants & animals
Worth Considering
๐Ÿ“š Education
4.8๐Ÿ˜Š(31K ratings)
Free
#56in Education
Seek by iNaturalist screenshot 1
Seek by iNaturalist screenshot 2
Seek by iNaturalist screenshot 3
Seek by iNaturalist screenshot 4
Seek by iNaturalist screenshot 5
Seek by iNaturalist screenshot 6

Seek by iNaturalist is a plant identification app that helps users identify plants and animals using image recognition technology. Simply take a picture, and the app will provide information about the species. Explore nature with Seek today!

What We Love

  • ๐Ÿš€ Accurate identification
  • ๐ŸŒณ Helps connect with nature
  • ๐ŸŽฎ Fun and engaging challenges
  • ๐Ÿ’ฐ Free with no ads

Room to Improve

  • ๐Ÿ› Inconsistent identification accuracy
  • ๐Ÿ” Difficulty focusing camera
  • ๐Ÿค– Struggles with small/moving objects

More Citizen Science apps to explore

4
Anecdata.org
Anecdata.org
Anecdata.org
Citizen science for everybody
Free
๐Ÿ“š Education
(4)
5
Zooniverse
Zooniverse
Zooniverse
by Zooniverse
Free

Join the world's largest platform for people-powered research, where volunteers help professional researchers make new discoveries and create useful datasets. By contributing, you can assist in enabling research that wouldn't be possible otherwise and stay updated on projects through the mobile app.

๐Ÿ“š Education
(35)
6
ResearchGate
ResearchGate
ResearchGate
Access research on the go
Free

Access millions of research publications, connect with researchers, stay updated on new research, track your stats, and download full-texts with this app. Stay connected to the world of science on the go. Sign up now to explore!

๐ŸŒ Social Networking
(14K)
7
SC Aquarium Citizen Science
SC Aquarium Citizen Science
SC Aquarium Citizen Science
by MOUNT DESERT ISLAND BIOLOGICAL LABORATORY
Free

Contribute to wildlife and environmental protection by sharing observations and viewing reports from others as a citizen scientist. Download the app to get involved and make a difference directly from your phone.

๐Ÿ“š Education
(7)
8
Citizen Science Survey
Citizen Science Survey
Citizen Science Survey
Survey app for citizens
Free
๐Ÿ”ง Utilities
(0)
9
iNaturalist
iNaturalist
iNaturalist
Discover nature around you
Free

Discover and identify various plants and animals in the wild with ease using this innovative application. Simply take a photo to receive detailed information and contribute to scientific research. Download now to explore the natural world like never before.

๐Ÿ“š Education
(15)
10
Scientific American
Scientific American
Scientific American
by Springer Nature America, Inc.
Free

A trusted source since 1845, this app offers expert insights on science and technology. Stay up to date on ground-breaking advancements and support science journalism by subscribing today.

๐Ÿ“ก News
(9.3K)
11
The Happiness Project
The Happiness Project
The Happiness Project
Play Games for Science
Free

Play fun mini-games to contribute to real scientific research on the psychology and neuroscience of well-being, helping scientists understand what causes happiness and mental health conditions. Join a unique citizen science experiment and be part of discovering the equation for happiness!

๐Ÿ“š Education
(41)
12
PlantSnap - Plant Scanner
PlantSnap - Plant Scanner
PlantSnap - Plant Scanner
Diagnosis and Care Advice
Free

Identify over 600,000 plants instantly with detailed information on taxonomy and care tips using this app. Connect with a global community of nature lovers, share discoveries, and create your own plant library. Start exploring and learning about plants around the world today!

๐Ÿ“š Education
(68K)
13
Citizen Scientist
Citizen Scientist
Citizen Scientist
by NOMAD.ORG.UK LTD
Free

This application measures your experience of urban or rural living in the moment, using ecological momentary assessment to monitor how your surroundings affect your mental wellbeing. By participating, you'll gain access to a personalized report summarizing your experiences, and your anonymous data will help inform the planning of healthier cities and novel clinical interventions.

๐Ÿฅ Medical
(1)
14
WaterLinx | Citizen Science
WaterLinx | Citizen Science
WaterLinx | Citizen Science
by SPOTTERON GmbH
Free
๐Ÿ“š Education
(0)
15
Leave No Trace Citizen Science
Leave No Trace Citizen Science
Leave No Trace Citizen Science
by Greg Newman
Free

This citizen science app empowers volunteers to monitor and help protect outdoor resources by tracking conditions over time. By joining the effort, users can contribute to cutting-edge education and research, ultimately helping to preserve the outdoors for responsible enjoyment.

๐Ÿ“š Education
(1)
16
Faunawatch Citizen Science
Faunawatch Citizen Science
Faunawatch Citizen Science
by Kevin Vishal
Free
๐Ÿ“š Education
(0)
17
Rissa Citizen Science
Rissa Citizen Science
Rissa Citizen Science
by Rissa Citizen Science
Free
๐Ÿ“š Education
(0)
18
iSeaTree
iSeaTree
iSeaTree
Tree ID and mapping
Free

This mobile application helps users identify, record, and calculate the benefits of trees across the USA and Canada, offering both AI and manual identification interfaces. Users can calculate the environmental benefits of trees, such as CO2 and air quality improvements, and share their findings on an in-app map.

๐Ÿ“š Education
(7)
19
Build4People: Citizen Science
Build4People: Citizen Science
Build4People: Citizen Science
by NXT YOU GmbH
Free
๐ŸŒŸ Lifestyle
(0)
20
Savvy Citizen
Savvy Citizen
Savvy Citizen
Local events and notifications
Free

Discover a community notification app for local events and alerts. Stay informed with customizable push notifications, texts, and emails from your municipality. Download now to become a more informed citizen.

๐ŸŒŸ Lifestyle
(1.2K)

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