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CompareOpen in Google Play
Where this app stands in Vietnam, updated 9 Oct 2026
Top free · Tools
#43 ▲1
Top grossing
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Top paid
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| Date | Free |
|---|---|
| 9 Oct 2026 | #43 |
| 8 Oct 2026 | #44 |
Best rank in each country today. Click a country to see its graph.
A map based data collection platform for everyone
Ground is an open-source, map-first data collection platform built in collaboration with non-profits and international organizations with the goal of driving sustainability impact at scale. Ground is designed for use by non-technical users with little to no special training. Our goal is to provide a “just right” data collection solution that meets the needs of community organizers, conservationists, humanitarian workers, and researchers. The platform consists of a web app for survey management, and an Android app for map-based and structured data collection.