Apps like ArcGIS Field Maps

Here are some great alternatives to ArcGIS Field Maps by Esri :
CarryMap
CarryMap
★3.3
Mobile Data Collection
Mobile Data Collection
★4.0
SW Maps - GIS & Data Collector
SW Maps - GIS & Data Collector
★4.2
Diamond Maps Offline
Diamond Maps Offline
★4.5
Subsurface Maps Offline
Subsurface Maps Offline
★3.9
Fielda
Fielda
★4.3
Mapit GIS - Map Data Collector
Mapit GIS - Map Data Collector
★4.0
NextGIS Mobile
NextGIS Mobile
★4.6
AmigoCollect
AmigoCollect
★4.1
Locus GIS Offline Land Survey
Locus GIS Offline Land Survey
★3.9
Global Mapper Mobile
Global Mapper Mobile
★3.8
fieldmargin: manage your farm
fieldmargin: manage your farm
★4.0
TrackMe. Hike&Travel Recorder
TrackMe. Hike&Travel Recorder
★4.3
GPS Field Area Measure
GPS Field Area Measure
★4.0
Where am I - My GPS position
Where am I - My GPS position
★4.4
Live Earth Maps Gps Navigation
Live Earth Maps Gps Navigation
★3.5