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Best Rei Hiking Project Apps

227+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated June 2026

Out of 227+ rei hiking project apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Rei Hiking Project Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Hiking ProjectHiking ProjectFree4.5★ (2K)NoNoAug 2026
2National Park Trail GuideNational Park Trail GuideFree4.5★ (1.5K)NoNoAug 2026
3Gaia GPS: Mobile Trail MapsGaia GPS: Mobile Trail MapsFree4.8★ (32K)NoYesAug 2026
4AllTrails: Hike, Bike & RunAllTrails: Hike, Bike & RunFree4.9★ (1M)YesYesAug 2026
5REI Co-op – Shop Outdoor GearREI Co-op – Shop Outdoor GearFree4.6★ (36K)YesNoAug 2026
6Hiking Trails - Walk,Hike,MapsHiking Trails - Walk,Hike,MapsFree4.2★ (14)YesNoMay 2026
7National Park ServiceNational Park ServiceFree4.9★ (119K)NoNoAug 2026
8onX Backcountry: Trail GPS ApponX Backcountry: Trail GPS AppFree4.8★ (6.1K)YesYesAug 2026

Top Picks for Rei Hiking Project

Hiking Project#1

Hiking Project by Adventure Projects Inc.

Editor's Choice
⚽ Sports
4.5😐(2K ratings)
Free
Hiking Project screenshot 1
Hiking Project screenshot 2
Hiking Project screenshot 3
Hiking Project screenshot 4
Hiking Project screenshot 5

Discover and navigate over 74,000 miles of trails with detailed GPS route information, elevation profiles, and high-resolution maps. Find featured hikes near you or in a searched area, with insights from local experts. Download trails for offline use, ensuring you can explore even without cell reception.

What We Love

  • 🚀 Great for planning hiking trips
  • 🗺️ Useful offline maps and trail info
  • 👍 Helpful for finding new trails
  • 🗺️ Accurate trail details and elevation data

Room to Improve

  • 🐛 Frequent crashes and freezes
  • 🔍 Limited trail coverage in some areas
  • 🗺️ Offline maps not always reliable
National Park Trail Guide#2

National Park Trail Guide by Adventure Projects Inc.

National parks guide and maps
Strong Contender
✈️ Travel
4.5😐(1.5K ratings)
Free
National Park Trail Guide screenshot 1
National Park Trail Guide screenshot 2
National Park Trail Guide screenshot 3
National Park Trail Guide screenshot 4
National Park Trail Guide screenshot 5

Discover and explore national parks with detailed trail information, offline maps, and live GPS tracking. Plan your perfect trip with hike difficulty ratings, curated lists, and essential park insights. Never get lost and find family-friendly trails or hidden gems.

What We Love

  • 🚀 Offline maps and GPS
  • 👍 Detailed trail information
  • 📷 Helpful photos and ratings
  • 🗺️ Accurate location tracking

Room to Improve

  • 🐛 Crashes and freezes
  • 🚫 Missing parks and trails
  • 📱 Compatibility issues
Gaia GPS: Mobile Trail Maps#3

Gaia GPS: Mobile Trail Maps by TrailBehind

Hiking, Overlanding, Camping
Worth Considering
🗺️ Navigation
4.8😐(32K ratings)
FreeIn-App Purchases
#6in Navigation
Gaia GPS: Mobile Trail Maps screenshot 1
Gaia GPS: Mobile Trail Maps screenshot 2
Gaia GPS: Mobile Trail Maps screenshot 3
Gaia GPS: Mobile Trail Maps screenshot 4
Gaia GPS: Mobile Trail Maps screenshot 5
Gaia GPS: Mobile Trail Maps screenshot 6

Discover trails, campsites, and routes with detailed topographic maps and GPS navigation. Plan your adventures with offline maps, weather updates, and distance tracking. Explore hiking, off-roading, camping, and skiing with this comprehensive outdoor companion.

What We Love

  • 🚀 Excellent offline functionality
  • 🗺️ Detailed and customizable maps
  • 🧭 Accurate GPS tracking and navigation
  • 📸 Ability to add photos to tracks

Room to Improve

  • 🐛 Buggy and unstable app performance
  • 🔋 High battery consumption
  • 🔍 Confusing map/feature management

More Rei Hiking Project apps to explore

4
AllTrails: Hike, Bike & Run
AllTrails: Hike, Bike & Run
AllTrails: Hike, Bike & Run
GPS Hiking & Biking Trail Maps
Free

Discover and navigate over 500,000 trails worldwide for hiking, biking, and running. Find detailed reviews, plan your adventures with GPS and offline maps, and share your experiences with a community of outdoor enthusiasts.

Trail discovery by location and interestGPS turn-by-turn navigationOffline map downloads
💪 Health & Fitness
(1M)
free with in-app purchases
5
REI Co-op – Shop Outdoor Gear
REI Co-op – Shop Outdoor Gear
REI Co-op – Shop Outdoor Gear
by Recreational Equipment, Inc
Free

Shop for outdoor gear and clothing from top brands and the co-op's own lines. Access deals, manage your account, and pick up orders in-store. Find everything you need for hiking, camping, cycling, and more.

Access deals and discountsManage wish lists and purchase historyUtilize member benefits and rewards
🛍️ Shopping
(36K)
free with in-app purchases
6
Hiking Trails - Walk,Hike,Maps
Hiking Trails - Walk,Hike,Maps
Hiking Trails - Walk,Hike,Maps
Hiking Trails & GPS Navigation
Free

Explore curated hiking paths with detailed route information and real-time GPS navigation. Access offline maps and track your progress with achievements. Enjoy multilingual support for safer outdoor adventures.

Curated hiking trailsDetailed route informationReal-time GPS navigation
🔧 Utilities
(14)
ad-supported
7
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
8
onX Backcountry: Trail GPS App
onX Backcountry: Trail GPS App
onX Backcountry: Trail GPS App
Offline Hiking & Biking Maps
Free

Navigate the backcountry with offline maps and GPS tracking for hiking, skiing, and biking. Discover new trails, plan routes, and access detailed terrain data, weather forecasts, and hazard information. Your ultimate companion for outdoor adventures, even without cell service.

Offline 3D, LiDAR-based topo mapsActivity-specific Map ModesAvalanche Terrain Exposure Scale (ATES) maps
🗺️ Navigation
(6.1K)
free with in-app purchases
9
TrailLink: Bike, Run, Walk
TrailLink: Bike, Run, Walk
TrailLink: Bike, Run, Walk
Trail Maps Finder & Biking GPS
Free

Discover and navigate over 40,000 miles of trails across the US for biking, running, and walking. Find detailed maps, GPS directions, user reviews, and amenities to plan your next outdoor adventure.

Discover 40,000+ miles of trailsDetailed trail mapsGPS navigation and tracking
💪 Health & Fitness
(7.4K)
freemium
10
Wikiloc - Trails of the World
Wikiloc - Trails of the World
Wikiloc - Trails of the World
Hiking, bike, trekking
Free

Discover and record millions of outdoor trails worldwide for hiking, biking, and more. Enjoy offline maps and GPS navigation. Premium features include route planning, 3D maps, and live tracking.

Discover millions of outdoor trailsRecord your own routes with waypointsOffline topographic maps
🗺️ Navigation
(5.3K)
freemium
11
HiiKER: The Hiking Maps App
HiiKER: The Hiking Maps App
HiiKER: The Hiking Maps App
Hiking trails & walks near you
Free

Plan, map, and navigate hiking trails with this powerful app. Discover over 130,000 routes, view high-quality topographic maps offline, and create detailed itineraries for multi-day adventures. Includes safety features like live location sharing.

130,000+ hiking trailsHigh-quality topographic mapsOffline map downloads
🗺️ Navigation
(947)
free with in-app purchases
12
GPS Tracks
GPS Tracks
GPS Tracks
GPS Tracker and Offline Maps
Free

This app allows users to track outdoor activities like hiking, biking, and running. It enables navigation to waypoints, storage of favorite destinations, and offers advanced features for route planning and data export with a subscription.

Track hiking, biking, running, and walking routesNavigate to saved waypointsStore and manage favorite destinations
🗺️ Navigation
(17K)
free with in-app purchases
13
MTB Project
MTB Project
MTB Project
by Adventure Projects Inc.
Free

Discover and navigate mountain biking trails with offline maps and detailed GPS route information. Find featured rides, explore local expert insights, and track your location on high-resolution topographical maps. Perfect for planning your next adventure, even without cell service.

Offline trail mapsGPS route informationElevation profiles
⚽ Sports
(4.4K)
free
14
Trail Run Project
Trail Run Project
Trail Run Project
by Adventure Projects Inc.
Free

Discover and navigate thousands of miles of running trails with detailed GPS data, elevation profiles, and photos. Find featured runs near you or in searched locations, with offline access for remote adventures. Local expert insights help you plan the perfect trail run.

GPS route informationElevation profilesInteractive trail maps
⚽ Sports
(414)
free
15
komoot - hike, bike & run
komoot - hike, bike & run
komoot - hike, bike & run
Your all-in-one route planner
Free

Plan and navigate outdoor adventures like hiking, biking, and running. Discover community-recommended spots and track your journeys with GPS. Access offline maps for reliable navigation, even without internet.

Route planning for hiking, biking, and runningTurn-by-turn voice navigationOffline maps for outdoor adventures
💪 Health & Fitness
(9.2K)
free with in-app purchases
16
OS Maps: Walk, Hike, Run, Bike
OS Maps: Walk, Hike, Run, Bike
OS Maps: Walk, Hike, Run, Bike
Trail map, plan & GPS navigate
Free

Discover and plan outdoor adventures with detailed maps and GPS navigation. Track your hikes, runs, and bike rides, and stay safe with offline maps and community alerts. Explore new trails and relive your past activities.

Detailed trail mapsGPS navigationOffline map downloads
🗺️ Navigation
(431)
subscription
17
Topo Maps+: Topographic Maps
Topo Maps+: Topographic Maps
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.

Offline topographic mapsSmart route buildingWaypoints and proximity alerts
🗺️ Navigation
(9.3K)
freemium
18
Organic Maps・Offline Maps, GPS
Organic Maps・Offline Maps, GPS
Organic Maps・Offline Maps, GPS
Hiking Trails & GPS Navigation
Free

Navigate and explore with detailed offline maps and GPS guidance. Plan, record, and import routes for travel, hikes, and rides without needing an internet connection. Enjoy privacy-first, battery-efficient navigation with extensive points of interest.

100% offline maps and navigationFast zooming and searchDetailed points of interest
🗺️ Navigation
(2.7K)
free
19
Cairn – Hiking Safety Tracker
Cairn – Hiking Safety Tracker
Cairn – Hiking Safety Tracker
GPS, Trail Maps & Alerts
Free

This app provides offline maps and GPS tracking for outdoor adventures, ensuring you stay on course. It allows you to share your live location with a safety circle who will be automatically alerted if you are overdue.

Offline maps and GPS trackingLive trip sharing with safety circleAutomatic overdue alerts
💪 Health & Fitness
(529)
free with in-app purchases
20
FarOut: Hike, Bike, Paddle
FarOut: Hike, Bike, Paddle
FarOut: Hike, Bike, Paddle
Offline GPS Trail Maps
Free

This app provides reliable offline navigation for long-distance adventures like hiking, biking, and paddling. It offers trusted trail data, detailed waypoint information, and a check-in feature to share your location with loved ones. Explore the world with confidence, even in remote areas.

Offline navigational guidesExtensive global route coverageTrusted, official trail data
🗺️ Navigation
(26K)
free with in-app purchases

FAQ about Rei Hiking Project

What are the best rei hiking project apps for iPhone?
Hiking Project tops our rei hiking project apps ranking as of June 2026, with a 4.5-star average from 2K App Store ratings, and it's free to download.
Yes — 20 of the top rei hiking project apps we rank are free to download, including Hiking Project and National Park Trail Guide.
Hiking Project has no ads and has no in-app purchases, according to its App Store listing as of June 2026.
We track 227+ rei hiking project apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
The Hiking Project app serves as a comprehensive guide to hiking trails, offering detailed GPS route information, elevation profiles, interactive maps, and photos. It helps users discover and navigate over 74,000 miles of trails, suggesting featured hikes based on location or search.
Yes, you can download trails for offline use, meaning no cell reception is required to navigate. This feature ensures you can explore trails even when you're off the grid.