Cairn | The Hiking Safety App

Get home safely from any adventure. Alert safety contacts + find cell coverage.

FitClimb LLC · com.cairnapp.cairn

Not rated yet 10K+ downloads v1.4.0.1 57.4 MB Android 7.0+ PEGI 3 · Everyone

Download APK 57.4 MB All versions

Signature matches the Google Play version Details

Watch the Cairn | The Hiking Safety App trailer on YouTube

Cairn | The Hiking Safety App screenshot 1

Cairn | The Hiking Safety App screenshot 2

Cairn | The Hiking Safety App screenshot 3

Cairn | The Hiking Safety App screenshot 4

Cairn | The Hiking Safety App screenshot 5

At a glance

Latest version: v1.4.0.1 (68)
Updated: Aug 2, 2025 (1 year ago)
APK size: 57.4 MB
Requires: Android 7.0+ (API 24)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Graphics: OpenGL ES 2.0+
Category: Maps & Navigation (app)
Listed since: Apr 17, 2021 (at least)
Permissions: 29 (9 sensitive)
Website: cairn.app
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Cairn | The Hiking Safety App is an app by FitClimb LLC in the Maps & Navigation category, listed since at least April 2021. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 1.3.8, the minimum Android version rose from 6.0 to 7.0. It asks for 29 permissions, 9 of them sensitive, including precise location, camera and read contacts. Compared with version 1.3.9, it adds 7 new permissions: “Camera”, “Read media images”, “Read media visual user selected” and 4 more. The app offers in-app purchases through Google Play and can read the advertising ID that ad and analytics services use.

What's new in v1.4.0.1

Just a few bug fixes and updates.

Description

From the listing uploaded by “appupdater”.

Cairn helps you get home safely from any outdoor adventure — hikes, runs, climbs, etc. Easily share your plans with loved ones, record your track, find spots with cell coverage, download maps for offline use, and see stats on your route. Named one of the three best map apps for navigating the wilderness by Outside Magazine. GET FOUND IF YOU’RE OVERDUE • Notifications: Safety contacts are notified when you’re past due • Live tracking: Contacts can see your GPS location during your trip or hike • Rescue advice: Contacts get important info needed to make intelligent rescue initiation decisions STAY CONNECTED IN THE OUTDOORS • Know where others have found cell coverage • Download topo maps that are designed specifically for outdoor pursuits SEE TRAIL STATS • Get live distance, elevation gain and ETA stats for 4000+ hiking routes, summits, and trails worldwide • Record and save your track CAIRN IS + Easy: It only takes a minute to set up a Cairn + Open: Share plans with anyone – no app required to view + Flexible: Great for hiking, backpacking, trail running, horseback riding, skiing, cycling, rock climbing, camping, hunting, fishing, boating and more Have feedback? Get in touch at [email protected].

Version history

3 versions are listed, going back to v1.3.8. Since v1.4.0.1 it requires Android 7.0+.

v1.4.0.1 LATEST Aug 2, 2025 57.4 MB TRUSTED v1.3.9 Jul 18, 2024 60.7 MB TRUSTED v1.3.8 Jun 13, 2024 60.7 MB TRUSTED

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Aug 2, 2025.
Certificate issued to “Cairn” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified Aug 2, 2025
Validated against Google Play Aug 2, 2025
Signed byCN=Brian Terry, OU=FitClimb LLC, O=Cairn, L=Seattle, ST=WA, C=US
Signing certificate (SHA-1)9C:82:FC:C4:D1:53:40:43:A3:94:77:90:92:FA:AF:FA:DD:E0:4E:40
File MD53301e7840c920791d6cb383b96b2cff1
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (29)

Cairn | The Hiking Safety App requests 29 permissions, 9 of them sensitive.

Approximate location Sensitive android.permission.ACCESS_COARSE_LOCATION
Camera Sensitive android.permission.CAMERA
Find accounts on the device Sensitive android.permission.GET_ACCOUNTS
Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
Precise location Sensitive android.permission.ACCESS_FINE_LOCATION
Read contacts Sensitive android.permission.READ_CONTACTS
Read media images Sensitive android.permission.READ_MEDIA_IMAGES
Read media visual user selected Sensitive android.permission.READ_MEDIA_VISUAL_USER_SELECTED
Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Advertising ID com.google.android.gms.permission.AD_ID
Authenticate accounts android.permission.AUTHENTICATE_ACCOUNTS
Foreground service data sync android.permission.FOREGROUND_SERVICE_DATA_SYNC
Foreground service location android.permission.FOREGROUND_SERVICE_LOCATION
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
In-app purchases (Google Play Billing) com.android.vending.BILLING
Internal broadcast protection (app-defined) com.cairnapp.cairn.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Manage accounts android.permission.MANAGE_ACCOUNTS
Prevent the device from sleeping android.permission.WAKE_LOCK
Read profile android.permission.READ_PROFILE
Run at startup android.permission.RECEIVE_BOOT_COMPLETED
Run foreground services android.permission.FOREGROUND_SERVICE
Schedule exact alarms android.permission.SCHEDULE_EXACT_ALARM
Show notifications android.permission.POST_NOTIFICATIONS
Use credentials android.permission.USE_CREDENTIALS
View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Camera android.hardware.camera
Basic touch input android.hardware.faketouch
Location android.hardware.location
GPS android.hardware.location.gps
Network location android.hardware.location.network
Portrait screen android.hardware.screen.portrait

Cairn | The Hiking Safety App APK: questions and answers

Is there a version of Cairn | The Hiking Safety App for older Android phones?

The current version needs Android 7.0 or later. Version 1.3.9 is the newest listed build that installs on Android 6.0 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 1.3.9 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is Cairn | The Hiking Safety App free?

The APK is free to download, but the app offers in-app purchases through Google Play.

Is the Cairn | The Hiking Safety App APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is 3301e7840c920791d6cb383b96b2cff1.