Apps Like CitSci for iPhone and iPad
CitSci screenshots
Ranked alternatives
Showing 21–40 of 1,000 ranked alternatives.
Happiness Quest
Robb Rutledge
Play experiments, learn about
Answer: allows users to participate in psychology experiments by playing short games. Users answer questions about emotions and behaviors. Data collected helps researchers study factors affecting and mood disorders.
US Citizenship Test 2026
Wei Zhang
Study and prepare for the US
Study for the US with flashcards, quizzes, and progress tracking. Review questions and answers, star favorites for later review, and take practice tests to assess knowledge. Track progress and prepare for the final interview.
Savvy Citizen
Management Science Associates, Inc.
Stay informed with local alerts and updates
Receive local event and alert notifications through push, text, or email. Select your community and customize notification preferences. View and manage notifications within the . Stay informed about municipal updates and community happenings.
Chesapeake Dolphin Watch
Tony Niemann
Track sightings and behaviors
Report sightings by selecting a location or using current position. Enter the number of dolphins seen and submit observations. Data is collected to study behavior and habitat use in the Bay.
EWG's Healthy Living
Environmental Working Group
Compare product ratings and choose wisely
Scan products to view ingredient details and safety ratings. Compare items based on health impact and environmental impact scores. Access detailed guides on sunscreen, cleaning products, and food safety.
Monarch SOS
Naturedigger LLC
Identify monarchs and report sightings
Identify butterflies across all life stages and distinguish from look-alikes. Learn about milkweed species and their role in development. Report sightings to contribute to scientific research.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.