Showing 41–60 of 1,000 ranked alternatives.
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.
MastrAPI Ltd
Prepare for citizenship exam with study plan
Prepare for the U.S. citizenship exam by creating a personalized study plan. Practice answering questions in the 100-question or 128-question format. Take mock tests to track progress and identify areas needing improvement.
Purple Buttons LLC
Practice for the USCIS Citizenship Test
The app provides practice for the USCIS Citizenship test, allowing users to select either the 2008 or 2025 questions and answers. It includes flash cards and practice tests to assess knowledge of US History and Government.
Gil Heo
Explore locations and view geospatial data
Access real-time geospatial data for locations including weather, soil, vegetation, air quality, elevation, and more. Retrieve official information from sources like NASA, USDA, and USGS. Track farming details like planting dates and irrigation.
ResearchGate GmbH
Connect with researchers and access publications
Access 150+ million publication pages directly on the device. Connect with 20+ million researchers to find collaborators. Stay updated with new research through follow feeds. Track personal stats and receive weekly reports.
T3Pixel LTD
Explore, study, and understand the
Access the full text of the 1789 States . Search for specific articles or amendments. Highlight and annotate text. Bookmark sections for later review. Share excerpts via email or social media. Sync notes across devices.
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