Halfstop: Field Atlas

Content rating
Everyone
1+
Downloads
Content rating
Everyone
In-App Purchases
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About this app

Halfstop is a field atlas for photographers. Scout a location, drop a pin, and know exactly when the sun, the moon or the aurora will be where you need it.
TIME THE LIGHT
• Sunrise, sunset, golden hour, blue hour, moonrise and moonset for any pin
• Eclipse paths across the map
KNOW THE GROUND
• USGS topographic quads, aerial imagery, hillshade and contours
• National forest, BLM, state land, wilderness and park boundaries
• Forest road numbers and drone ceilings
PIN IT
• Save waypoints into folders by trip, by season, or by the light they need
• Search for a place by name, from OpenStreetMap
• Open GPX, KML, KMZ and GeoJSON files - including your Google Maps starred places and saved lists, from Google Takeout
• Export any folder as GPX or GeoJSON whenever you like, free, with or without an account
• Sync up to 100 folders and 100 waypoints between your phone and your computer, free
PREMIUM
For the parts that cost us money every time they are used:
• Syncing any number of folders between your phone and your computer
• Inviting others to view a folder or work on it with you
• Search that also finds businesses and street addresses, from Mapbox
• Offline map downloads, for when the bars run out
• Weather layers: cloud cover, fog, snow and storm tracks
• Trip planning with road routing
• Photographs kept with a waypoint
• State-level detail maps and extra basemaps

No ads, no analytics, no tracking. Maps are for planning. Carry a paper map where it matters, and use your own judgement in front of the actual ground.
A field atlas for photographers: scout locations, pin them and time the light.
Updated on
Oct 22, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Location, Personal info and 2 others
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

Halfstop 1.0
• Photos on your pins sync between devices with Premium
• Color scales along the bottom of the map for weather and sky layers
• Sort waypoints by name, date, distance, folder, symbol or color
• Pin cards stay open until you close them, and the map buttons are bigger
• Clearer buttons, indented folder menus and shorter layer descriptions
• Folder links copy and share reliably on a weak signal
• Fixes for the fog card, Edit from Details and the pin editor
Content rating
Everyone
In-App Purchases
Learn more

App support

About the developer
HALFSTOP, LLC
support@halfstop.app
1215 Comer Ave Indianapolis, IN 46203-4211 United States
+1 607-761-7591