Best Bortle Map Apps

144+ iOS apps curated and reviewed

4.3 avg rating
16 free apps
Updated June 2026

Looking for free bortle map apps? 16 of our 144+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Bortle Map

Light Pollution Map - Dark Sky#1

Light Pollution Map - Dark Sky by Dunbar Technology, LLC

Astronomy tools & more
Editor's Choice
☀️ Weather
4.7😞(81 ratings)
FreeIn-App Purchases
Light Pollution Map - Dark Sky screenshot 1
Light Pollution Map - Dark Sky screenshot 2
Light Pollution Map - Dark Sky screenshot 3
Light Pollution Map - Dark Sky screenshot 4
Light Pollution Map - Dark Sky screenshot 5
Light Pollution Map - Dark Sky screenshot 6

Discover the best dark sky viewing spots with our Light Pollution Map app! Enjoy features like aurora borealis tracking, ISS updates, meteor shower alerts, and more for a mesmerizing night sky experience. Upgrade to unlock additional premium features and support our app's development. Start exploring the stars today!

What We Love

  • 👍 Clear detailed satellite views
  • 🚀 Works with barely any signal
  • 📊 Useful map with latest data
  • 🌌 Helps with astrophotography

Room to Improve

  • 🐛 Crashes on opening the map
  • 🐛 Crashes after locating user's position
  • 🔍 No legend for map colors
Sky Guide#2

Sky Guide by Fifth Star Labs LLC

Star gaze constellation finder
Strong Contender
🔍 Reference
4.8😊(26K ratings)
FreeIn-App Purchases
#6in Reference
Sky Guide screenshot 1
Sky Guide screenshot 2
Sky Guide screenshot 3
Sky Guide screenshot 4
Sky Guide screenshot 5
Sky Guide screenshot 6

Discover the universe with ease using this powerful star gazing app that identifies stars, constellations, planets, and satellites when you point your device to the sky. Whether you're a seasoned stargazer or a beginner, this app's AR mode and time controls make exploring the cosmos effortless. Join millions in connecting with the stars and explore the night sky like never before.

What We Love

  • 🌟 Stunning visuals and graphics
  • 📚 Wealth of information on celestial objects
  • 🧭 Accurate and responsive compass/AR features
  • 🌌 Immersive stargazing experience

Room to Improve

  • 🧭 Occasional compass/location calibration issues
  • 💰 Subscription model limits access to some features
  • 🌍 Lack of support for certain regions/locations
Avenza Maps: Offline Mapping#3

Avenza Maps: Offline Mapping by Avenza Systems Inc.

GPS, Trails, Hiking, Offroad
Worth Considering
🗺️ Navigation
4.8😊(125K ratings)
FreeIn-App Purchases
#10in 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
Avenza Maps: Offline Mapping screenshot 6

Explore maps offline with Avenza Maps for GPS tracking, hiking, and off-road adventures. Never get lost with this handy offline mapping tool.

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

More Bortle Map apps to explore

4
Yandex Maps & Navigator
Yandex Maps & Navigator
Yandex Maps & Navigator
Transport, Transit, Navigation
Free

Discover a powerful and user-friendly maps application that provides accurate navigation, real-time traffic updates, and detailed location information. Simplify your travel experience by accessing routes for driving, walking, and public transportation with ease. Try it now for seamless navigation!

🗺️ Navigation
(33K)
5
Scenic Map Western USA
Scenic Map Western USA
Scenic Map Western USA
Offline 3D topo maps
$4.99

This application provides offline 3D topo maps of the Western USA and Hawaii, and online maps of the entire world, allowing users to navigate and explore terrain in a highly customizable and detailed environment. With features like GPS tracking, 3D viewing, and satellite image overlays, users can seamlessly switch between map styles and explore their surroundings with incredible detail, making it ideal for use in various modes of transportation or while hiking.

🗺️ Navigation
(12)
6
Mapster
Mapster
Mapster
by Syzygy Research & Technology Ltd.
Free
🗺️ Navigation
(15)
7
World Map +
World Map +
World Map +
Quick Reference World Maps
Free

Explore quick reference world maps with features like political and detailed world maps, world time zones map, and easy map switching. Access offline and online maps for convenient viewing on your device.

🔍 Reference
(7.1K)
8
700 City Maps
700 City Maps
700 City Maps
by Dubbele.com
Free

Access 700 offline city maps on your iPhone or iPad without needing any network connection. Mark, remember, and navigate streets and key locations in major cities and tourist destinations worldwide. Visit our website for a full list of available maps.

✈️ Travel
(5)
9
Map Canvas: Draw on Maps
Map Canvas: Draw on Maps
Map Canvas: Draw on Maps
Sketch & annotate on world map
Free
📊 Productivity
(67)
10
MapChart App
MapChart App
MapChart App
Create Custom Maps
Free

Create custom maps easily with this app! Design unique visual representations of data and information effortlessly. Try it now for free and turn your ideas into stunning maps!

🎨 Graphics & Design
(1K)
11
Awesomap
Awesomap
Awesomap
Sharper maps, more detail
Free

This application enhances iOS maps by displaying more detailed and sharper imagery, allowing users to see four times more of the world at once. With adjustable scale settings, users can customize their experience, making it ideal for those with Retina displays and fast Wi-Fi connections.

🗺️ Navigation
(361)
12
UK Map
UK Map
UK Map
Ordnance Survey® map data
$9.99

The application provides comprehensive mapping and navigation capabilities for the UK, including free access to Ordnance Survey® map data and the ability to purchase detailed maps. It offers features such as offline usage, 3D terrain visualization, route planning, and a searchable database of place names, streets, and postcodes. The app is designed to be a versatile tool for both outdoor enthusiasts and everyday users, empowering them to explore and navigate the UK with ease.

🗺️ Navigation
(7)
13
RouteBuddy Atlas - GPS Nav App for US and Worldwide Topo Maps
RouteBuddy Atlas - GPS Nav App for US and Worldwide Topo Maps
RouteBuddy Atlas - GPS Nav App for US and Worldwide Topo Maps
by RouteBuddy Ltd.
Free

The application is a powerful and easy-to-use GPS mapping app that provides offline access to high-quality topographic maps for various regions, including the USA, UK, France, Ireland, and more. With a wide range of maps and features, the app caters to the needs of students, outdoor enthusiasts, and professionals, making it a versatile tool for navigation and exploration. Visit the RouteBuddy store to purchase and download premium maps for your iOS, Mac, or Windows devices.

🗺️ Navigation
(1)
14
HERE Map Creator
HERE Map Creator
HERE Map Creator
by HERE Europe B.V.
Free

This app allows users to update and improve navigation maps on-the-go by collecting, editing, or deleting places, and sharing contributions with millions of devices worldwide. With this tool, users can easily add missing locations, improve positioning, and review their work, all for free, by joining a mobile mapping community.

🔧 Utilities
(24)
15
Iphigénie | Offline Maps
Iphigénie | Offline Maps
Iphigénie | Offline Maps
IGN maps, hiking, outdoor
Free

This hiking map app provides outdoor enthusiasts with accurate maps and tools to prepare, navigate, and record their outings, with features such as offline access, GPS tracking, and real-time information. Download the free basic app or upgrade to a subscription for access to a wide range of detailed topographic maps and full features.

🗺️ Navigation
(21)
16
MapOut
MapOut
MapOut
Beautiful hiking & cycling map
$4.99

MapOut is a hiking companion app that helps users discover and navigate trails with ease. Plan your next adventure with MapOut today!

🗺️ Navigation
(128)
17
Railmap for Open Railway Map
Railmap for Open Railway Map
Railmap for Open Railway Map
Explore global train tracks
$2.99

Explore the world of train tracks with an application that offers three different map layers - Standard, Speed, and Signals. Discover and navigate global train tracks with ease and efficiency, while caching visited places for faster loading.

🔍 Reference
(597)
18
Utah Co Maps
Utah Co Maps
Utah Co Maps
by Utah County Government
Free

This application allows users to search property records in Utah County by various methods, including address, name, and parcel, and view detailed property information. Users can explore a topographic map to find and select parcels, accessing information such as ownership history, property values, and improvement details.

💼 Business
(18)
19
GPS Map
GPS Map
GPS Map
by n3rds
Free

This application allows users to search and save favorite locations using addresses or GPS coordinates, and share them with others or send to various map apps. With map overlays from popular providers, users can easily find and bookmark locations and have fun exploring.

🗺️ Navigation
(36)
20
TCG Map-graphy
TCG Map-graphy
TCG Map-graphy
by Tokyo Cartographic CO.,LTD.
Free
🎬 Entertainment
(3)