Best Geomagnetic Observatory Apps

217+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated July 2026

Geomagnetic Observatory is the household name in geomagnetic observatory, but it's far from the only option. We track 217+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Geomagnetic Observatory Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Geomagnetic ObservatoryGeomagnetic ObservatoryFree5.0★ (1)NoNoAug 2026
2Avenza Maps: Offline MappingAvenza Maps: Offline MappingFree4.8★ (127K)NoYesAug 2026
3Google EarthGoogle EarthFree4.0★ (47K)NoNoAug 2026
4BaseMap: 3D Hunting Maps & GPSBaseMap: 3D Hunting Maps & GPSFree4.6★ (9.2K)NoYesAug 2026
5Compass & GPSCompass & GPSFree4.7★ (12K)YesNoAug 2026
6NASANASAFree4.8★ (64K)NoNoAug 2026
7PlanetsPlanetsFree4.5★ (899)NoNoAug 2026
8My Aurora Forecast & AlertsMy Aurora Forecast & AlertsFree4.7★ (69K)YesNoAug 2026

Top Picks for Geomagnetic Observatory

Geomagnetic Observatory#1

Geomagnetic Observatory by Twarge LLC

Monitor geomagnetic activity
Editor's Choice
🔍 Reference
5.0(1 ratings)
Free
Geomagnetic Observatory screenshot 1

Visualize real-time geomagnetic field data from global observatories. Monitor total intensity and vector components of Earth's magnetic field. The app efficiently caches data for offline use and is free and open-source.

Avenza Maps: Offline Mapping#2

Avenza Maps: Offline Mapping by Avenza Systems Inc.

GPS Navigation & Trail Maps
Strong Contender
🗺️ Navigation
4.8😊(127K ratings)
FreeIn-App Purchases
#11in Navigation
Avenza Maps: Offline Mapping screenshot 1
Avenza Maps: Offline Mapping screenshot 2
Avenza Maps: Offline Mapping screenshot 3
Avenza Maps: Offline Mapping screenshot 4
Avenza Maps: Offline Mapping screenshot 5

Navigate any terrain with offline GPS maps, even without cell service. Explore a vast Map Store for hiking, biking, and travel, or import your own custom maps. Record tracks, add notes, and identify your location precisely.

What We Love

  • 🚀 Easy to use
  • 🗺️ Accurate GPS tracking
  • 📥 Offline maps
  • 💾 Ability to download maps

Room to Improve

  • 🔍 Poor search functionality
  • 🗺️ Inaccurate map placement
  • 💰 Expensive maps
Google Earth#3

Google Earth by Google

Examine the planet
Worth Considering
✈️ Travel
4.0😊(47K ratings)
Free
#14in Travel
Google Earth screenshot 1
Google Earth screenshot 2
Google Earth screenshot 3
Google Earth screenshot 4
Google Earth screenshot 5
Google Earth screenshot 6

Explore the world with high-resolution satellite imagery and 3D terrain. Dive into streets with Street View and create collaborative, data-driven maps from anywhere.

What We Love

  • 🌎 Ability to explore the world
  • 👍 Useful for geography and education
  • 🌍 Detailed satellite and street view imagery
  • 🎨 3D mode for immersive experience

Room to Improve

  • 🕰️ Outdated imagery and maps
  • 🔍 Difficulty finding specific locations
  • 🚧 Blurred or missing details in some areas

More Geomagnetic Observatory apps to explore

4
BaseMap: 3D Hunting Maps & GPS
BaseMap: 3D Hunting Maps & GPS
BaseMap: 3D Hunting Maps & GPS
Offline 3D, Parcel Info, LIDAR
Free

This app provides detailed land ownership maps, offline GPS tracking, and a mobile hunt planner. It offers over 800 map layers, including government lands, private parcel data, and hunting-specific information. Plan your hunts with draw odds, season dates, and weather forecasts.

Offline GPS and tracking800+ map layersPrivate parcel boundaries & owner names
🗺️ Navigation
(9.2K)
free with in-app purchases
5
Compass & GPS
Compass & GPS
Compass & GPS
Quick Compass for Directions
Free

This utility app provides a digital compass to help you determine cardinal directions. It's useful for outdoor activities, travel, or low-visibility conditions, and also displays GPS altitude and your current location on a map.

Digital compassCardinal direction displayGPS altitude
🔧 Utilities
(12K)
ad-supported
6
NASA
NASA
NASA
by NASA
Free

Explore the universe with access to live and on-demand NASA+ videos, a vast collection of stunning images, and the latest mission news. Discover interactive augmented reality experiences and track the International Space Station's path.

NASA+ video streaming21,000+ NASA imagesLatest NASA news
📚 Education
(64K)
free
7
Planets
Planets
Planets
by Q Continuum
Free

Explore the solar system with a 3D guide. Discover planets, moons, and celestial events with interactive sky views and visibility information. Perfect for budding astronomers.

3D solar system guide2D sky view3D planetarium sky view
🔧 Utilities
(899)
free
8
My Aurora Forecast & Alerts
My Aurora Forecast & Alerts
My Aurora Forecast & Alerts
Northern Lights & Borealis
Free

Track the Northern Lights with real-time KP index, global aurora maps, and detailed forecasts. Get free push notifications for high activity and discover the best viewing locations worldwide. Plan your aurora adventures with tour information and live webcams.

Real-time KP indexGlobal aurora forecast mapBest viewing location finder
☀️ Weather
(69K)
ad-supported
9
GeoScope: GPS Map Camera
GeoScope: GPS Map Camera
GeoScope: GPS Map Camera
Live Views, Maps & GPS Camera
Free

Explore the world with live views, interactive maps, and GPS camera features. Discover places, capture moments with location data, and navigate using a 3D Earth view and real-time traffic information.

Explore public live viewsBrowse street viewsCapture photos with GPS location
🔧 Utilities
(2K)
free
10
EarthLive: GPS Photos Map
EarthLive: GPS Photos Map
EarthLive: GPS Photos Map
Live Map, Street View & Cams
Free

Explore the world with live views, 3D maps, and street-level imagery. Capture photos with location data, check traffic, and use a built-in compass. Discover landmarks and navigate global locations interactively.

Live global views3D Earth map explorationStreet View browsing
🔧 Utilities
(688)
ad-supported
11
WorldScope: Live Earth Map
WorldScope: Live Earth Map
WorldScope: Live Earth Map
Explore Live Cams& Street View
Free

Explore the globe from home with live cameras, street views, and a 3D Earth map. Discover famous landmarks, real-time traffic, and navigate your surroundings with a smart compass.

Live cameras worldwideInteractive 3D Earth mapStreet View explorer
✈️ Travel
(945)
ad-supported
12
Stellarium Mobile - Star Map
Stellarium Mobile - Star Map
Stellarium Mobile - Star Map
Stargazing & planet finder
Free

Explore the night sky with a real-time planetarium. Identify stars, planets, constellations, and satellites by simply pointing your phone. Offers detailed astronomical data and cultural constellation interpretations.

Real-time sky simulationIdentify stars, planets, satellitesConstellation shapes and illustrations
📚 Education
(36K)
free with in-app purchases
13
Geocaching®
Geocaching®
Geocaching®
Find your next adventure
Free

Discover millions of hidden containers worldwide with this app. It guides you through finding your first geocache with tips and instructions. Navigate using maps, compass, or driving directions, and connect with a global community of treasure hunters.

View geocache details, activity, and hintsNavigate via map, compass, or directionsLive Search for nearby geocaches
🗺️ Navigation
(65K)
freemium
14
Garmin Explore™
Garmin Explore™
Garmin Explore™
Explore with a Garmin device
Free

Navigate off-grid with this app, which pairs with a compatible Garmin device for trip planning, mapping, and navigation even without Wi-Fi or cellular service. Plan routes, download maps for offline use, and sync data to the cloud.

Off-grid navigationTrip planningOffline map downloads
🗺️ Navigation
(985)
free
15
Mgrs & Utm Map
Mgrs & Utm Map
Mgrs & Utm Map
by Vahid Cataltas
Free

Navigate the outdoors with precision using GPS and multiple coordinate systems. Ideal for military, hikers, and outdoor enthusiasts, it displays your accurate position on various map layers and supports KML import/export.

GPS, GALILEO, GLONASS supportAccurate position displayMultiple map layers
🗺️ Navigation
(2.5K)
free with in-app purchases
16
Globe 3D - Planet Earth Guide
Globe 3D - Planet Earth Guide
Globe 3D - Planet Earth Guide
World Map: Countries & States
Free

Explore Earth in stunning detail with an interactive 3D globe. Discover landscapes, cultures, and landmarks, and view live webcams from around the world. Customize your experience and find locations easily with smart search.

Interactive 3D globeLive webcamsPanoramic views
✈️ Travel
(2K)
free with in-app purchases
17
EARTH 3D | Ultra real planet
EARTH 3D | Ultra real planet
EARTH 3D | Ultra real planet
Live wallpapers & screensaver
Free
$49.99 | 100% OFF

Experience a stunning, real-time rendered 3D Earth on your device. Explore detailed textures, atmospheric effects, and celestial bodies with dynamic lighting and reflections. Personalize your device with this visually immersive planetary display.

Real-time sun and moon positionHigh-quality earth texture with bumpingLocation display
🔧 Utilities
(6.2K)
free with in-app purchases
18
National Park Service
National Park Service
National Park Service
The official app of 420+ parks
Free

Explore over 420 national parks with interactive maps, self-guided tours, and essential on-the-ground information. Plan your visit with details on amenities, operating hours, and fees. Download park content for offline use, ensuring access even without internet service.

Interactive park mapsSelf-guided park toursOffline park content download
✈️ Travel
(119K)
free
19
Compass ×
Compass ×
Compass ×
#1 design
Free

This app offers a beautifully designed compass experience for your iPhone or iPad. It provides precise GPS coordinates, altitude, sunrise/sunset times, and barometric pressure. Easily share your location and choose between magnetic or true north.

Precise GPS coordinatesAltitude measurementSunrise and sunset times
🗺️ Navigation
(8.3K)
free with in-app purchases
20
Staslink: Satellites Tracker
Staslink: Satellites Tracker
Staslink: Satellites Tracker
ISS Starlink Satellite Tracker
Free

Track the International Space Station and Starlink satellites with real-time live maps and HD video feeds from NASA. Get personalized reminders for optimal viewing times and explore the universe from an astronaut's perspective.

Live ISS & Starlink camera feed from NASAReal-time global tracking with Live MapReminders for upcoming satellite visits
🔧 Utilities
(19K)
free with in-app purchases

FAQ about Geomagnetic Observatory

What are the best geomagnetic observatory apps for iPhone?
Geomagnetic Observatory tops our geomagnetic observatory apps ranking as of July 2026, with a 5.0-star average from 1 App Store ratings, and it's free to download.
Yes — 20 of the top geomagnetic observatory apps we rank are free to download, including Geomagnetic Observatory and Avenza Maps: Offline Mapping.
Geomagnetic Observatory has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 217+ geomagnetic observatory apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Geomagnetic Observatory is a free and open-source application that displays live geomagnetic field data from observatories worldwide. It allows users to monitor Earth's magnetic field intensity and vector components.
Yes, Geomagnetic Observatory is designed to work offline. It efficiently downloads and caches data slices, ensuring continued functionality even without an internet connection once data is loaded.