Best apps like Secchi

8+ similar apps compared and reviewed

3.5 avg rating

8 free apps

Updated October 2026

The Secchi Disk Foundation

Whether you want more options like Secchi 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.

Top Alternatives to Secchi

COSEA by SPOTTERON Gmbh

Collaborative Sea Action

Editor's Choice

📚 Education

5.0(1 ratings)

Free

Document marine environments, coastal habitats, and species. Report on pollution, infrastructure, and the blue economy. Contribute data and photos to a collaborative map to help scientists understand marine factors and foster a healthy relationship between humans and the sea.

WaterLinx | Citizen Science by SPOTTERON Gmbh

Strong Contender

📚 Education

0.0(0 ratings)

Free

WaterLinx | Citizen Science screenshot 1

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Animals Antarctica by Aleksei Neronov

Worth Considering

📚 Education

0.0(0 ratings)

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More apps like Secchi

Sea Watcher

by Sea Watch Foundation - The Cetacean Monitoring Unit

Free

Log sightings of marine megafauna like whales, dolphins, and seals across UK and European waters. Identify species, record valuable data, and contribute to scientific understanding of marine life. Review your past sightings and see what others have observed.

Log marine megafauna sightingsIdentify whales, dolphins, seals, and moreRecord sighting location and time

Report weeds, protect water

This educational tool analyzes light entering a smartphone, breaking it down by spectrum and polarization. It requires a specific hardware add-on to function.

Spectrum analysisPolarization analysisHardware add-on integration