Best Cstth Apps

Avenza Maps: Offline Mapping

GPS Navigation & Trail Maps

Free

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.

GPS Fields Area Measure Map

Distance, acres, boundaries

Free

Accurately measure distance, perimeter, and area using GPS, even offline. Mark points with notes and photos for field scouting, land inspection, or issue logging. Supports various export formats and custom map layers.

MilGPS

Pro MGRS USNG GPS for Land Nav

$12.99

This field navigation tool displays your location and waypoints on customizable screens. It supports multiple coordinate systems and map datums, and allows for waypoint import/export. Offline map support is available.

iNavX: Marine Navigation

Sailing & Boating Chartplotter

Free

This app provides comprehensive marine navigation tools, including worldwide chart coverage, weather forecasts, and AIS integration. It allows users to plan routes, track their position, and connect with onboard instruments for a complete boating experience.

Speedometer»

Speedometer with large display

Free

This application displays your current speed in miles per hour, kilometers per hour, or knots. It features a large, clear display with Retina support for optimal visibility. Accuracy is enhanced by adjusting indicator transparency.

Decibel : dB sound level meter

Audio noise Spectrum Analyzer

Free

Transform your device into a professional sound level meter and audio analyzer. Measure ambient noise, monitor decibel levels, and visualize sound frequencies in real time. It also offers advanced sleep tracking with sound recognition to identify disruptions.

Topo Maps+: Topographic Maps

Offline Maps & GPS Navigation

Free

Plan and execute backcountry adventures with offline topographic maps and GPS navigation. Features include route building, waypoints, land boundaries, and on-trail tools. Integrates with Apple Watch and CarPlay for seamless outdoor exploration.

Waze Navigation & Live Traffic

Avoid traffic, police, hazards

Free

Navigate your commute with real-time traffic updates and alerts from a community of drivers. Get accurate ETAs, avoid hazards, and find gas stations and parking. Integrates with your car's display for seamless use.

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.

Opensignal Speed Test Ad Free

5G 4G & WiFi Signal Speed Test

Free

Measure your mobile network performance with detailed speed tests for download, upload, and latency across 3G, 4G/LTE, 5G, and WiFi. Analyze video streaming quality and compare network coverage in your area to find the best provider.

Coordinates – GPS Converter

Lat/Lon to UTM, MGRS, and more

Free

This app is a versatile tool for converting and managing geographic coordinates. It supports numerous global formats and datums, allowing users to view, input, and save locations with rich details. Ideal for professionals and outdoor enthusiasts needing precise location data.

Sygic Truck & RV Navigation

Offline maps, GPS & CarPlay

Free

Navigate large vehicles with intelligent routing tailored to your truck, RV, or bus specifications. Enjoy offline 3D maps, real-time traffic, and speed camera warnings for a safe and efficient journey. Access truck-specific points of interest and detailed vehicle settings.

Phone Tracker - GPS Location

Locate & Track by number

Free

This app allows real-time location tracking of family and friends on a private map. Create groups, set up geofence zones for arrival/departure alerts, and utilize an emergency SOS function for added security. It also includes a 'find my device' feature.

Wavve Boating: GPS, Map, Chart

Marine Navigation, Depth, Tide

Free

Navigate waterways with detailed nautical charts, tide predictions, and weather forecasts. Connect with a community of boaters to share points of interest and track friends on the water. Enjoy simplified GPS navigation tailored to your boat's draft.

GPS Speedometer, Speed Tracker

Mileage Tracker for Car & Bike

Free

This app accurately tracks your real-time speed, distance, and trip data using GPS. It offers features like a digital odometer, HUD mode, and customizable speed alerts, even working offline. It's designed for drivers, cyclists, and anyone needing precise travel metrics.

TomTom GO Expert: Truck GPS

Satnav, GPS, Traffic & CarPlay

Free

Reliable truck navigation with custom routing based on vehicle dimensions, cargo, and fuel type. Avoid traffic, find truck stops, and receive real-time alerts for a smoother, safer journey.