Best Upside Down Cr Apps

212+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated May 2026

Boat Trader is the household name in upside down cr, but it's far from the only option. We track 212+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Upside Down Cr Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Boat Trader - Boats for SaleBoat Trader - Boats for SaleFree4.8★ (175K)YesNoJul 2026
2Windy - 실시간 날씨 예보. 바람 및 파도 정보Windy - 실시간 날씨 예보. 바람 및 파도 정보Free4.7★ (72K)NoYesJul 2026
3i-Boating: Marine Charts & Gpsi-Boating: Marine Charts & GpsFree4.5★ (14K)NoYesJul 2026
4iNavX: Marine NavigationiNavX: Marine NavigationFree4.8★ (21K)YesYesJul 2026
5Aqua Map BoatingAqua Map BoatingFree4.7★ (13K)NoYesJul 2026
6Fishing Points: Map & ForecastFishing Points: Map & ForecastFree4.7★ (31K)YesYesJul 2026
7MarineTraffic - Ship TrackingMarineTraffic - Ship TrackingFree4.7★ (65K)YesYesJul 2026
8Wavve Boating: GPS, Map, ChartWavve Boating: GPS, Map, ChartFree4.7★ (5.8K)NoYesJul 2026

Top Picks for Upside Down Cr

Boat Trader - Boats for Sale#1

Boat Trader - Boats for Sale by Boats Group

Buy & Sell Boats in the US
Editor's Choice
🛍️ Shopping
4.8😊(175K ratings)
FreeAds
#60in Shopping
Boat Trader - Boats for Sale screenshot 1
Boat Trader - Boats for Sale screenshot 2
Boat Trader - Boats for Sale screenshot 3
Boat Trader - Boats for Sale screenshot 4
Boat Trader - Boats for Sale screenshot 5
Boat Trader - Boats for Sale screenshot 6

Discover new and used boats for sale across the U.S. with an extensive search marketplace. Filter by type, size, price, and more to find your ideal vessel. View detailed specs, photos, and easily contact sellers.

What We Love

  • 👍 Great app
  • 👍 Informative and well-laid out
  • 👍 Comprehensive search options
  • 👍 Detailed boat information and photos

Room to Improve

  • 🐛 Crashes and freezes frequently
  • 🐛 Inconsistent performance and UI issues
  • 🐛 Difficulty viewing and navigating photos
Windy - 실시간 날씨 예보. 바람 및 파도 정보#2

Windy - 실시간 날씨 예보. 바람 및 파도 정보 by Windy Weather World Inc

#1 해양 날씨, 바람 및 파도
Strong Contender
☀️ Weather
4.7😊(72K ratings)
FreeIn-App Purchases
#3in Weather
Windy - 실시간 날씨 예보. 바람 및 파도 정보 screenshot 1
Windy - 실시간 날씨 예보. 바람 및 파도 정보 screenshot 2
Windy - 실시간 날씨 예보. 바람 및 파도 정보 screenshot 3
Windy - 실시간 날씨 예보. 바람 및 파도 정보 screenshot 4
Windy - 실시간 날씨 예보. 바람 및 파도 정보 screenshot 5
Windy - 실시간 날씨 예보. 바람 및 파도 정보 screenshot 6

This app provides detailed wind, wave, and weather forecasts for various outdoor activities. It offers historical data, real-time alerts, and a community feature for sharing conditions. Ideal for surfers, sailors, and other wind sports enthusiasts.

What We Love

  • 🌊 Accurate wind and weather forecasts
  • 🔍 Ability to compare multiple weather models
  • 🗺️ Detailed and customizable map views
  • 🛥️ Useful for sailing, fishing, and other water sports

Room to Improve

  • 💰 Expensive subscription fees
  • 🤔 Confusing user interface for casual users
  • 🔒 Difficulty cancelling subscriptions
i-Boating: Marine Charts & Gps#3

i-Boating: Marine Charts & Gps by Bist LLC

Lake Maps & Fishing Spots
Worth Considering
🗺️ Navigation
4.5😊(14K ratings)
FreeIn-App Purchases
#55in Navigation
i-Boating: Marine Charts & Gps screenshot 1
i-Boating: Marine Charts & Gps screenshot 2
i-Boating: Marine Charts & Gps screenshot 3
i-Boating: Marine Charts & Gps screenshot 4
i-Boating: Marine Charts & Gps screenshot 5
i-Boating: Marine Charts & Gps screenshot 6

Navigate waterways with detailed marine charts and GPS. Features include route planning, voice-guided navigation, tide and current predictions, and track recording. Offers extensive map coverage for various regions and inland rivers.

What We Love

  • 🚀 Accurate GPS and navigation
  • 🗺️ Detailed nautical charts
  • 📊 Helpful fishing and structure information
  • 🔍 Useful for finding unexplored fishing spots

Room to Improve

  • 🌐 GPS/location issues, inaccurate positioning
  • 💰 Expensive recurring subscription model
  • 🔁 Difficulty restoring purchased content on new devices

More Upside Down Cr apps to explore

4
iNavX: Marine Navigation
iNavX: Marine Navigation
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.

Worldwide marine chart accessReal-time GPS plottingWaypoint and route management
🗺️ Navigation
(21K)
free with in-app purchases
5
Aqua Map Boating
Aqua Map Boating
Aqua Map Boating
Marine navigation and fishing
Free

This app provides official, weekly updated nautical charts for marine navigation. It allows for offline map downloads, GPS track recording, and integration with onboard instruments. Enhance your boating safety and experience with advanced features like weather forecasts and AIS collision detection.

Official NOAA nautical chartsOffline map downloadsGPS track recording
🗺️ Navigation
(13K)
free with in-app purchases
6
Fishing Points: Map & Forecast
Fishing Points: Map & Forecast
Fishing Points: Map & Forecast
Find Best Tides Times to Fish
Free

This app helps anglers find the best times and locations to fish by providing detailed forecasts for tides, moon phases, weather, and marine conditions. It offers interactive maps to discover and save fishing spots, track routes, and access offline nautical charts, along with a catch logbook and fishing regulations.

Fishing forecasts (tides, moon, weather, solunar)Detailed fishing maps (satellite, nautical, lake depth)Save and discover fishing spots and routes
⚽ Sports
(31K)
free with in-app purchases
7
MarineTraffic - Ship Tracking
MarineTraffic - Ship Tracking
MarineTraffic - Ship Tracking
World's #1 ship tracking app!
Free

Track vessels live worldwide using AIS data. View ship positions, movements, and voyage history with detailed vessel information and enhanced weather monitoring. Unlock advanced features for deeper visibility and extended coverage with a Pro plan.

Live vessel tracking worldwideShip positions and movementsVoyage history and key events
✈️ Travel
(65K)
free with in-app purchases
8
Wavve Boating: GPS, Map, Chart
Wavve Boating: GPS, Map, Chart
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.

Simple GPS navigationCustomizable nautical chartsCommunity points of interest
🗺️ Navigation
(5.8K)
free with in-app purchases
9
YachtWorld - Yachts for Sale
YachtWorld - Yachts for Sale
YachtWorld - Yachts for Sale
Yachts & Boats for Sale
Free

Explore the world's largest selection of new and used yachts and boats for sale. Browse detailed listings with photos and videos, save favorites, and receive alerts for new additions. Easily filter by price, make, size, and location to find your dream vessel and contact sellers directly.

Browse largest yacht selectionSave favorite yachtsShare listings
🛍️ Shopping
(47K)
free with in-app purchases
10
BoatUS - Boat Weather & Tides
BoatUS - Boat Weather & Tides
BoatUS - Boat Weather & Tides
24/7 Boat Towing & Insurance
Free

This app provides 24/7 towing assistance for boaters, along with detailed weather and tide forecasts. It also helps users find discounts at marine businesses and manage their membership and insurance policies.

24/7 towing assistanceBoating forecasts (weather & tides)Small craft advisories
☀️ Weather
(57K)
free with in-app purchases
11
Navionics® Boating
Navionics® Boating
Navionics® Boating
Nautical and fishing charts
Free

Access detailed nautical charts and advanced boating features offline on your mobile device. Plan trips with dock-to-dock guidance, check weather and tides, and connect with a community of boaters. Ideal for cruising, fishing, sailing, and diving.

Offline nautical chartsHD bathymetry mapsDock-to-dock route planning
🗺️ Navigation
(2.3K)
free with in-app purchases
12
Savvy Navvy: Boat Navigation
Savvy Navvy: Boat Navigation
Savvy Navvy: Boat Navigation
GPS, Nautical Charts, Boating
Free

This app provides comprehensive marine navigation, integrating charts, weather, tides, and GPS tracking. It simplifies route planning and offers real-time safety data to ensure confident and enjoyable time on the water for various boating activities.

Clutter-free nautical chartsSmart route planning with weather and tide integrationReal-time GPS tracking
🗺️ Navigation
(7.6K)
free with in-app purchases
13
Argo Navigation: Boat GPS, Map
Argo Navigation: Boat GPS, Map
Argo Navigation: Boat GPS, Map
Marine Charts, Weather & Tides
Free

This app provides comprehensive navigation and planning tools for boaters, offering features like chart plotting, route planning, and weather forecasts. It aims to be user-friendly for all skill levels, from beginners to experienced cruisers, with a focus on safety and connectivity on the water.

Web/Desktop planning with auto-syncAutorouting for multi-stop trips7-day marine weather forecast
🗺️ Navigation
(6.1K)
free with in-app purchases
14
Fishing App - Pro Angler
Fishing App - Pro Angler
Fishing App - Pro Angler
Fish Identifier, Spots & Maps
Free

This comprehensive fishing application offers extensive data on fishing spots, marine weather, tide charts, and a detailed guide to global fish species. It provides local fishing reports, regulations, and navigation tools to enhance your angling experience, whether you're a beginner or a seasoned angler.

110,000+ Fishing Hot SpotsMarine Weather & TidesAngler Fish Species Guide
⚽ Sports
(6.1K)
free with in-app purchases
15
FishTrack - Charts & Forecasts
FishTrack - Charts & Forecasts
FishTrack - Charts & Forecasts
SST, tides, currents, & maps
Free

This app provides saltwater anglers with essential tools to locate fish. It combines cloud-free SST charts, satellite imagery, tides, currents, and marine weather forecasts into a layered interface. Users can mark hot spots, save data for offline use, and identify optimal fishing zones.

Cloud-free Sea Surface Temperature (SST) chartsGlobal satellite imagery (water temp, color, currents)Tides and moon phase data
☀️ Weather
(6K)
free with in-app purchases
16
Getmyboat
Getmyboat
Getmyboat
Boat Rentals & Yacht Charters
Free

Discover and book a wide variety of watercraft, from jet skis to luxury yachts, for any occasion. Easily compare prices, communicate with owners, and find the perfect vessel for your next adventure on the water.

Browse 180,000+ boats worldwideRentals for any occasionYacht charters available
✈️ Travel
(13K)
free
17
PredictWind — Marine Forecasts
PredictWind — Marine Forecasts
PredictWind — Marine Forecasts
#1 in Marine Weather Forecasts
Free

Get accurate marine weather forecasts and powerful tools for wind, waves, and currents. Plan your trips with routing and departure planning features, and stay informed with live observations and alerts. Ideal for all marine activities.

Accurate marine weather forecastsWind, wave, and current dataWeather routing and departure planning
☀️ Weather
(33K)
free with in-app purchases
18
ActiveCaptain®
ActiveCaptain®
ActiveCaptain®
Connect to Your GPS Plotter
Free

This app connects your mobile device to compatible Garmin chartplotters, enabling wireless chart and map transfers, software updates, and route planning. It also provides access to a community of boaters for reviews and information on marinas and points of interest.

Wireless chart and map transferRoute and waypoint planningActiveCaptain Community for POI reviews
🗺️ Navigation
(4.9K)
free with in-app purchases
19
Boatsetter - Boat Rentals
Boatsetter - Boat Rentals
Boatsetter - Boat Rentals
Boat Rentals & Yacht Charters
Free

Discover and book a wide range of boat rentals and yacht charters worldwide. Enjoy personalized on-the-water experiences for fishing, parties, cruising, and more, with options to drive yourself or hire a captain.

Global boat rental searchRentals by the hour or dayOption to hire a captain
✈️ Travel
(17K)
free with in-app purchases
20
Tides Near Me
Tides Near Me
Tides Near Me
Find Nearby Tides and Currents
Free

Get tide charts and current predictions worldwide. See water levels, high/low tide times, and sun/moon data at a glance. Plan your outdoor activities with ease.

Nearby tide and current stationsGraphical tide chartsReadable tide tables
☀️ Weather
(159K)
free with in-app purchases

FAQ about Upside Down Cr

What are the best upside down cr apps for iPhone?
Boat Trader - Boats for Sale tops our upside down cr apps ranking as of May 2026, with a 4.8-star average from 175K App Store ratings, and it's free to download.
Yes — 20 of the top upside down cr apps we rank are free to download, including Boat Trader - Boats for Sale and Windy - 실시간 날씨 예보. 바람 및 파도 정보.
Boat Trader - Boats for Sale shows ads and has no in-app purchases, according to its App Store listing as of May 2026.
We track 212+ upside down cr apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
The Boat Trader app is a marketplace for finding new and used boats for sale in the U.S. It allows users to search, filter, compare, and contact sellers for a wide variety of boat types.
Key features include extensive search filters and sorting options, the ability to view photos and detailed specifications, research on over 100,000 boat types and models, price and feature comparisons, and direct contact with sellers. Users can also save recently viewed boats.