Best Longitude 103 Apps

203+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated May 2026

Every iPhone needs a few good longitude 103 apps. We benchmark 203+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Longitude 103

HydroData#2

HydroData by Longitude 103

HydroData Field Collection
Strong Contender
🔧 Utilities
2.6(5 ratings)
Free
HydroData screenshot 1
HydroData screenshot 2
HydroData screenshot 3

This application enables field data collection and synchronization with the cloud, featuring a map for location-based data collection and reporting tools for field reports, water levels, and dam inspections. Start collecting and managing your field data efficiently today.

More Longitude 103 apps to explore

4
Coordinates – GPS Converter
Coordinates – GPS Converter
Coordinates – GPS Converter
Lat/Lon to UTM, MGRS, and more
Free

Easily convert latitude and longitude coordinates to UTM, MGRS, and more with this user-friendly app. Streamline your coordinate formatting needs quickly and accurately.

🗺️ Navigation
(6.3K)
5
Aqua Map Boating
Aqua Map Boating
Aqua Map Boating
Marine navigation and fishing
Free

Explore marine navigation, fishing, and weather with advanced features like offline charts, live tracking, route planning, and connectivity for AIS and GPS data. Start your 14-day free trial now for an enhanced boating experience.

🗺️ Navigation
(13K)
6
Timemark:Timestamp Camera, GPS
Timemark:Timestamp Camera, GPS
Timemark:Timestamp Camera, GPS
GPS, Date & Time Stamp Photos
Free

An app that adds timestamps and GPS location to photos and videos for authenticity and proof of work. Stamp your media with accurate time and location details with this free Timemark Camera app.

📷 Photo & Video
(6K)
7
Navionics® Boating
Navionics® Boating
Navionics® Boating
Nautical and fishing charts
Free

Experience detailed nautical and fishing charts on your mobile device with offline access and a range of features through this must-have Boating app. Get expertly detailed charts for cruising, fishing, sailing, and diving – perfect for all your water activities. Try it free for a limited time and unlock advanced features with a yearly subscription.

🗺️ Navigation
(2.2K)
8
Compass & Altimeter
Compass & Altimeter
Compass & Altimeter
Altimeter, Pressure, Weather
Free

Discover a transformative navigation app that guides you through unfamiliar territory with ease. Seamlessly explore new places, locate points of interest, and find your way back home with just a few taps. Download now to unlock a world of effortless navigation.

🗺️ Navigation
(2.2K)
9
Fishing Points: Map & Forecast
Fishing Points: Map & Forecast
Fishing Points: Map & Forecast
Find Best Tides Times to Fish
Free

Discover the best fishing spots near you with an interactive map that shows locations, species, and bait suggestions. Plan your next fishing trip with ease using this app!

⚽ Sports
(30K)
10
Acres: Land Data & Parcel Maps
Acres: Land Data & Parcel Maps
Acres: Land Data & Parcel Maps
Property lines & owner info
Free

Discover the perfect piece of land with Acres! Access comprehensive data on various properties to make informed decisions. Find your ideal plot today!

💼 Business
(1.9K)
11
Savvy Navvy Boating Navigation
Savvy Navvy Boating Navigation
Savvy Navvy Boating Navigation
Marine GPS and Nautical Charts
Free

Access all your boating needs in one app – charts, weather forecasts, AIS, and more. From planning to navigation, we've got you covered on the water!

🗺️ Navigation
(6.9K)
12
GPS Tracks
GPS Tracks
GPS Tracks
GPS Tracker and Offline Maps
Free

"Track your outdoor activities, navigate to waypoints, and store favorite destinations with this app. Ideal for hiking, running, photography, hunting, and military navigation needs."

🗺️ Navigation
(17K)
13
Wavve Boating: GPS, Map, Chart
Wavve Boating: GPS, Map, Chart
Wavve Boating: GPS, Map, Chart
Navigation, Charts, Tides, Map
Free

Enhance your boating experience with our marine GPS app - offering simplified navigation, customizable nautical charts, tidal information, weather updates, and a community-based platform for sharing knowledge. Join our fast-growing community today and enjoy a free trial to explore all the features. For more information, visit our website.

🗺️ Navigation
(5.2K)
14
iNavX: Marine Navigation
iNavX: Marine Navigation
iNavX: Marine Navigation
Sailing & Boating Chartplotter
Free

A powerful marine navigation app designed for sailing enthusiasts to plan routes, track marine weather, and monitor vessel performance. Navigate with precision and confidence on the water.

🗺️ Navigation
(20K)
15
LandGlide: Lookup Parcel Data
LandGlide: Lookup Parcel Data
LandGlide: Lookup Parcel Data
GPS Maps & Real Estate Data
Free

LandGlide is a property mapping application that allows users to access detailed parcel data and property lines anywhere in the U.S. Users can view property details, search by various criteria, save favorites, and access over 156 million parcel records. Get started with a free trial and then choose a subscription plan for continued access.

🗺️ Navigation
(56K)
16
Regrid Property App
Regrid Property App
Regrid Property App
Land Parcels & Property Owners
Free

Discover and explore land parcels with the Regrid Property App. Access detailed information, maps, and features for a better understanding of available properties. Start your search today and find the perfect parcel for your needs.

💼 Business
(8.3K)
17
i-Boating: Marine Charts & Gps
i-Boating: Marine Charts & Gps
i-Boating: Marine Charts & Gps
Lake Maps & Fishing Spots
Free

Discover a comprehensive marine navigation app with detailed charts, precise route planning, and real-time AIS tracking. Navigate ocean waters effortlessly and ensure safe voyages with this essential tool for all boating enthusiasts. Explore and download the app to set sail confidently today!

🗺️ Navigation
(14K)
18
My GPS Coordinates
My GPS Coordinates
My GPS Coordinates
Find your current location.
Free

Find your current location and easily share your GPS position via email, text, or social media. Take photos from your location, customize text overlays, and share your coordinates effortlessly. No internet connection required.

🗺️ Navigation
(346)
19
what3words: Navigation & Maps
what3words: Navigation & Maps
what3words: Navigation & Maps
Navigate to any exact location
Free

An innovative navigation app that converts GPS coordinates into three unique words for precise location identification, revolutionizing how we communicate and navigate. Explore the world with accuracy and simplicity – discover your what3words today!

🗺️ Navigation
(44K)
20
inRoute - Intelligent Routing
inRoute - Intelligent Routing
inRoute - Intelligent Routing
Route Planner & Road Trip GPS
Free

Plan your trips efficiently with intelligent routing that considers factors such as traffic, weather, and stops along the way. Simplify your travel planning and reach your destinations seamlessly. Start optimizing your routes today!

🗺️ Navigation
(10K)