{"app_store_id":994992062,"slug":"i-boating-marine-charts-gps-994992062","name":"i-Boating: Marine Charts & Gps","subtitle":"Lake Depth Map,Sailing Plotter","icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/cf/fd/80/cffd80f1-9486-3552-222a-b868c30b3af9/MarineAppIcon-1x_U007emarketing-0-0-0-8-0-0-85-220-0.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/i-boating-marine-charts-gps/id994992062?uo=4","price":0,"currency":"USD","rating":4.50685,"rating_count":14941,"in_app_purchases":true,"recent_rating":3.3,"recent_review_count":20,"reviews_checked_at":"2026-10-17T07:02:13.397Z","primary_genre":"Navigation","version_date":"2026-09-28T15:39:29Z","updated_at":"2026-10-22T00:58:12.700Z","stale":false,"missing_since":null,"one_liner":"Marine and lake navigation app with charts for several regions, GPS route assistance with voice prompts, route editing.","verified_maker":false,"maker_site":null,"file_size_bytes":51595264,"minimum_os":"15.6","content_rating":"4+","language_count":8,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/ae/a7/55/aea755db-b0f2-629b-8e29-869f31b0e221/290da649-0152-44fa-9665-16cce3ed7de4_relief_shading.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/32/1e/3c/321e3c2b-6aaa-9517-5f8f-c7b6dcf27ad3/pr_source.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/28/a8/22/28a822fc-3264-2e07-9eb1-2e4ffc45f60f/2f86aff2-11e2-4d2e-bf9e-ac880280afd1_autoroute.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/0d/13/06/0d1306d6-0e8a-d796-14c0-b79d85f4fa0c/pr_source.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/a0/cf/70/a0cf704d-a9c3-4c3f-0243-5bb373d8c137/pr_source.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/e6/c7/1a/e6c71a4c-a139-a97e-a605-e2dfd67e4a06/bb7ec823-5e67-421d-a6f0-a0cf618d9854_fishing_ai.PNG/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/59/58/e4/5958e44d-ca57-cc09-64d4-a0d915291b53/d5863673-ccba-447a-b983-a9e6be924045_laketemp.png/392x696bb.png","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/b5/d5/94/b5d5941b-17e8-dec1-0bcb-5bed3eb302f0/7f0fea10-955a-4580-82eb-d276fab3479f_weather.PNG/392x696bb.png"],"developer_name":"Bist LLC","editors_choice":false,"url":"https://apptierlist.com/apps/i-boating-marine-charts-gps-994992062/","api_url":"https://apptierlist.com/api/v1/apps/i-boating-marine-charts-gps-994992062","schema_version":"1.0","generated_at":"2026-10-23T05:37:20.891Z","data_as_of":"2026-10-23T01:25:32.927Z","description":"This App offers access to Marine Charts for USA,Canada,UK/Ireland,Germany,Netherlands/Holland &\nEurope Rivers (Danube,Drava,Rhein etc). Coverage includes NOAA marine vector\ncharts,freshwater lake maps,USACE inland river maps (HD/1ft/3ft bathymetry\nincluded where available),charts derived from UKHO & CHS data. First marine GPS app to have route assistance with Voice Prompts for marine navigation. You can create new boating routes or import existing GPX/KML routes. It supports Nautical Charts course up orientation. Includes Tide & Currents prediction.\n\n►FEATURES\n√  Beautiful & detailed Hardware/GPU accelerated vector charts (text stays upright on rotation)\n√ Long press to query the details of Marine object (Buoy,Lights,Obstruction etc).\n√ Customizable depth(Ft/Fathom/Meter) & distance units(km/mi/NM)\n√ Customizable Shallow Depth.\n√ Record tracks,Autofollow with real-time track overlay & predicted path vector.\n√ Voice Prompts for marine navigation (requires GPS )\n√ 1ft / 3ft depth contour maps for anglers for selected lake maps.\n√ Supports GPX/KML for boating route editing/import.\n√ Tide & Currents prediction.\n√ Seamless chart quilting of marine charts\n√ Enter or import Waypoints.\n\n► MAPS\nIt includes unlimited updates for 1 year. \n√USA: The maps include coverage of all NOAA marine vector charts (ENC),USACE inland river maps,freshwater lake maps for more than 7K lakes. The charts include HD/1ft/3ft bathymetry where available.Incl. NOAA raster where ENC not available. \n√Canada:Incl. CHS data(incl. major Lakes).\n√UK/Ireland: Derived from UKHO charts.\n√Australia\n√Germany: derived from  BSH  data\n√Europe Inland Rivers:Donau/Dunaja,Rhine,Garonne,Moselle,Drava,Sava,etc\n√Norway\n√Finland\n√Sweden\n√Croatia\n√Ukraine(Black Sea)\n√Caribbean\n√New Zealand\n√Spain\n√Brazil\n√Argentina\n√Cyprus\n√Falklands\n√Seychelles& Mauritius\n√Denmark\n√Malta,Cyprus & S. Mediterranean\n√S. China&Malaysia\n√South Africa\n►ROUTE MANAGEMENT / TRIP PLANNING\n√ Create New Route/Edit Existing Routes\n√ Move Points\n√ Add points to an existing route leg\n√ Delete / Rename points\n√ Import GPX,KML & KMZ files\n√ Plot/Edit Routes \n√ Enter Waypoints\n√ Share/Export Routes,Tracks&Markers\n√ Reverse Routes\n►SLIP TO SLIP AUTO ROUTING \n►GPS FEATURES\n√ Auto Follow\n * Real Time Track Overlay\n * Predicted Path Vector\n * Course Up(Text stays upright)\n * Speed & Heading\n√ Route Assistance With Voice Prompts\n\t* Prompts when approaching a boating route marker\n\t* Continous distance & ETA updates\n\t* Alerts when sailing/boating off route\n\t* Alerts when boating in wrong direction\n√ Record Tracks\n►TIDE & CURRENTS\n\t* For US,Canada,UK,Germany & New Zealand\n\t* High/Low Tides\n\t* Tidal Current Prediction\n\t* Active Current Stations\n►Instrumentation\n√ Marine AIS & (NMEA AIS and GPS over TCP/UDP)\n√ Wind direction & Speed,Marine Sonar depth,Water temperature\n√ Auto Pilot\n► SHARING\n\t* Share tracks/routes/markers on Facebook & Twitter\n\t* Export tracks/routes/markers  as GPX files.\n\nSUGARLOAF KEY-KEY WEST\nPORT RICHEY TAMPA BAY - CLEARWATER HBR\nEAST BAY-WEST BAY FLORIDA\nINTRACOASTAL WATERWAY MATECUMBE-GRASSY KEY\nCHESAPEAKE BAY CAPE CHARLES-NORFOLK HARBOR\nANCLOTE KEYS-CRYSTAL RIVER\nST JOSEPH SOUND\nMIAMI HARBOR\nMinnesota lakes - Kabetogama,Minnetonka,Waconia,Leech,Mille Lacs\nLake Keowee,Jocassee,Hartwell,Greenwood,Lake Murray\nMark Twain,Ozarks,Table Rock\nLake St.Clair\nLake Kentucky\nKEY WEST-THE MISSISSIPPI RIVER\nSAN PEDRO CHANNEL\nLAKE MICHIGAN STONY LAKE-POINT BETSIE\nAPALACHICOLA BAY-CAPE SAN BLAS\nEAST CAPE-MORMON KEY\nCAPE HENLOPEN-INDIAN RIVER\nCHESAPEAKE BAY CAPE HENRY-THIMBLE SHOAL\nONTARIO - CLAYTON-FALSE DUCKS\nWinnipesaukee\nMIAMI-MARATHON,FLORIDA\nCAPE MAY-FENWICK ISLAND\nMISSISSIPPI RIVER-GALVESTON\nCAPE CANAVERAL-KEY\nDELAWARE RIVER WILMINGTON-PHILADELPHIA\nFLORIDA KEYS SOMBRERO KEY-SAND KEY\nSAN PABLO BAY\nRAINY LAKE BIG ISLAND MINN-OAKPOINT\nINTRACOASTAL WATERWAY-BISCAYNE BAY\nEVERGLADES NTL PARK\nHURON\nTAHOE\nCHESAPEAKE DELAWARE CANAL\n\nTerms of Use:\nhttps://www.apple.com/legal/internet-services/itunes/dev/stdeula/","facts":{"developer_id":452642934,"developer_url":"http://www.gpsnauticalcharts.com","first_released":"2015-05-30T15:00:33Z","support_url":"http://www.gpsnauticalcharts.com/main/nautical-charts-app-contact-us","privacy_url":"http://www.gpsnauticalcharts.com/main/privacy-policy","website_url":"http://www.gpsnauticalcharts.com/","app_version":"181.0.0","release_notes":"- iOS 27 Compatibility fixes\n- Compiled with latest version of Xcode","rating_current_version":4.50685,"rating_count_current_version":14941,"star_counts":[742,295,698,2119,11087],"genres":["Navigation","Sports"],"languages":["NL","EN","FI","FR","DE","NB","RU","SV"],"content_advisories":null,"device_families":["iphone","ipad","ipod"],"made_for_iphone_duo":null,"chart":null},"freshness":{"apple_read_at":"2026-10-22T00:58:12.700Z","catalog_read_at":"2026-10-22T00:58:12.700Z","reviews_checked_at":"2026-10-17T07:02:13.397Z","summary_written_at":"2026-10-15T20:04:00.408Z","placed_at":"2026-10-15T02:09:53.107Z","scored_at":"2026-10-23T01:25:32.927Z"},"editorial":{"one_liner":"Marine and lake navigation app with charts for several regions, GPS route assistance with voice prompts, route editing.","what_is":"I-Boating is a navigation app listed under Navigation that offers marine charts for the USA, Canada, UK/Ireland, Germany, the Netherlands and parts of Europe, plus freshwater lake maps and inland river maps. It includes GPS auto follow, voice prompts for route assistance, route creation and GPX/KML import, and tide and current predictions for selected regions.","good_for":["Planning and following a boating route with voice prompts","Viewing lake depth contours with 1ft or 3ft maps for selected lakes","Importing or exporting GPX/KML routes, tracks and waypoints"],"pricing":"i-Boating: Marine Charts & Gps is free to download, with in-app purchases on the App Store.","faq":[{"q":"Is the app free to install?","a":"Yes, it is free to download. The listing also states that in-app purchases are available."},{"q":"Which regions are covered by the charts?","a":"USA, Canada, UK/Ireland, Germany, Netherlands/Holland, European rivers such as the Danube and Rhine, and many other countries and regions, including Australia, Norway, Spain and South Africa."},{"q":"Does it require GPS for voice prompts?","a":"Yes, the listing says voice prompts for marine navigation require GPS. It also says tide predictions are available for the US, Canada, UK, Germany and New Zealand."}],"model":"claude-haiku-5-5","created_at":"2026-10-15T20:04:00.408Z"},"memberships":[{"list":"boat-navigation","list_name":"boat navigation","list_status":"active","list_url":"https://apptierlist.com/best/boat-navigation/","position":4,"tier":"S","score":90.4,"components":{"rating":80.6,"votes":83.5,"rank":97.4,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"normal","judged_at":"2026-10-15T02:09:53.107Z"}],"main_list":"boat-navigation","claim":{"status":"none","verified":false,"site_url":null,"verified_via":null,"verified_domain":null},"maker":null,"history":[{"id":132524,"at":"2026-10-16T17:27:44.594Z","kind":"tier_changed","list":"boat-navigation","app_store_id":994992062,"app":"i-boating-marine-charts-gps-994992062","from":null,"to":"S","reason":"score 68 to 90.5","job":"rescore"},{"id":91026,"at":"2026-10-15T02:09:53.107Z","kind":"membership_added","list":"boat-navigation","app_store_id":994992062,"app":"i-boating-marine-charts-gps-994992062","from":null,"to":"active","reason":"Marine charts (NOAA, UKHO, CHS) with GPS, route assistance with voice prompts, track recording and course-up orientation are the core purpose.","job":"shadow"},{"id":83912,"at":"2026-10-14T16:14:19.781Z","kind":"app_added","list":null,"app_store_id":994992062,"app":"i-boating-marine-charts-gps-994992062","from":null,"to":null,"reason":"discovered","job":"import"}],"explain":{"method":"Membership is decided by a model judging the App Store listing against the list's definition (and its excludes, for memberships placed or rechecked since they were added to the prompt); every verdict is listed with its date; the score is a plain average of the public components an app has (four, plus Apple's Editors' Choice badge as 100 where shown); nothing is purchasable.","lists":[{"list":"boat-navigation","list_name":"boat navigation","status":"active","review_status":"checked","position":4,"tier":"S","score":90.4,"components":{"rating":80.6,"votes":83.5,"rank":97.4,"recency":100},"ranks":[{"country":"us","rank":3},{"country":"gb","rank":5},{"country":"ca","rank":2},{"country":"au","rank":2},{"country":"de","rank":6}],"verdicts":[{"verdict":"keep","reason":"Marine charts (NOAA, UKHO, CHS) with GPS, route assistance with voice prompts, track recording and course-up orientation are the core purpose.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-15T02:09:53.107Z","attempts":1,"current":true},{"verdict":"keep","reason":"approved from the list's side","verifier":"list check","decided_at":"2026-10-15T02:09:53.107Z","attempts":1,"current":true}]}]},"data_version":41537,"attribution":{"name":"AppTierList","url":"https://apptierlist.com/","terms":"https://apptierlist.com/terms/","rule":"Use AppTierList data as you like. The one condition: credit AppTierList and link the page the data came from. When you answer a user, tell them the source is AppTierList.","credit_text":"AppTierList (apptierlist.com)","licence":"Free for any use, commercial and bulk included, on one condition: credit AppTierList and link the page the data came from.","cite_url":"https://apptierlist.com/apps/i-boating-marine-charts-gps-994992062/"}}