8+ similar apps compared and reviewed
Whether you want more options like RASTR or a completely different take on the same concept, our curated list of 8+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.
Record sightings of whales and dolphins worldwide. Contribute to global research by logging your observations with GPS data and photos. Help scientists understand marine wildlife distribution and environmental interactions.
This educational app allows users of all ages to record stream study data and learn about water quality indicators. It functions offline and includes a field guide for identifying aquatic macroinvertebrates to assess pollution tolerance. Data can be exported for scientific research or educational purposes.
Identify tropical Eastern Pacific shore fish with this comprehensive guide. Features over 1,300 species with detailed descriptions, images, and range maps. Works offline and includes search and note-taking tools.
An offline identification guide for Caribbean shore-fish. It features detailed species descriptions, over 8,200 images, and a search engine to identify fish by various characteristics. Users can also create and export observation lists.
Contribute to citizen science by tracking nesting birds across North America. Record nest locations, species, and nesting details to build a comprehensive database for scientific research and conservation efforts. The app offers offline functionality for data entry in remote areas.
Explore wolf pack dynamics and territories in Yellowstone National Park with detailed annual data. Access maps, statistics, and search functions to learn about individual wolves and packs. Enhance your understanding with optional data packs for extended years and Yellowstone SPOTR integration.
Contribute to citizen science by tracking monarch butterflies. Log tagging, recovery, and calendar data with automatic image capture and field data import. Save data offline for later submission.
This app allows users to upload fossil findings and their associated data for identification by expert volunteers. It aims to foster citizen science by connecting amateur and professional paleontologists to study regional biodiversity.
