Comparison

Marine Navigation vs SkyTimer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Marine Navigation

This app provides detailed marine navigation charts for Canada, including depth data and fishing spots. It offers voice-guided route assistance, route creation and import tools, and offline chart downloads for safe boating.

Highlights
  • Canadian CHS data charts
  • Voice prompts for navigation
  • Route manager (create/import)
  • Offline chart downloads
  • POI layer with marine data
  • Record and export GPS tracks
  • Auto follow mode
Features
Read full description

GPS Marine Charts App offers access to charts covering Canada (derived from CHS data). Only marine GPS app to have route assistance with Voice Prompts for marine navigation. It has route manager to create new boating routes or import existing GPX/KML routes. It supports Nautical Charts course up orientation. Please visit http://gpsnauticalcharts.com/main/ca-nautical-charts-by-folio.html for complete list. If you don't find the chart for Canada , please contact us at support at gpsnauticalcharts.com. (Includes coverage for Trent Severn Waterway incl. lake Simcoe etc.) * Voice Prompts for marine navigation (requires GPS ) -prompts when approaching a boating route marker -Continous distance and ETA updates -Alerts when sailing/boating off route -Alerts when boating in wrong direction *Route Editing/Creation -Create routes from scratch -Edit existing GPX/KML routes. -Add custom description to any route point. -Drop markers along route. * Offline charts derived from CHS data. -Visually draw area to download -Textual search -Catalog (By state, region and coast guard district) -Charts reprojected for WGS84 datum *Seamless chart quilting of marine charts *Distance Bearing tool *Create custom way points - Using GPS -Select point on map -Manually enter latitude & longitude coordinates *POI layer for marine charts - Overlay POIs - POI list derived from the equivalent ENC and contains all categories including Buoy, Light, Harbour facility, Obstr. *Search POIs/Way points *Pan/Zoom/My Location * Record Marine GPS tracks * View tracks overlay * Live track animation * Track analytics/stats * Export GPX tracks. -Export to SDCard -Share GPX trakcs with friends. * Auto Follow Mode (Course up) -Continuously updates boat's location on chart - Adjustable update frequency Sample Nautical Charts (please visit http://www.gpsnauticalcharts.com/ for complete list) Pacific Coast - Vancouver Island East & West - Haida Gwaii Great lakes Canada and St. Lawrence river Trent-Severn Waterway BALSAM LAKE BALSAM LAKE TO/À BOLSOVER (LOCK/ÉCLUSE) BOLSOVER (LOCK/ÉCLUSE) TO/AU LAKE SIMCOE CAMERON LAKE CHEMONG LAKE ÉCLUSES DE HEALY FALLS LOCKS TO/AU RICE LAKE LAKE COUCHICHING - LAKE SIMCOE TO/À COUCHICHING LOCK/L'ÉCLUSE DE COUCHICHING LAKEFIELD LAKEFIELD LOCK/ÉCLUSE 26 LAKEFIELD TO/À BURLEIGH FALLS LAKE SCUGOG LAKE SIMCOE PETERBOROUGH TO/À LAKEFIELD PIGEON LAKE (NORTH PORTION/PARTIE NORD) PIGEON LAKE (SOUTH PORTION/PARTIE SUD) RICE LAKE RICE LAKE TO/À PETERBOROUGH STONY LAKE STURGEON LAKE Lake Erie \ Lac Erie Lake Huron\Lac Huron Lake Huron\Lac Huron (Southern Portion\Partie sud) Lake Ontario\Lac Ontario Lake Ontario\Lac Ontario, Western Portion\Partie ouest Lake St. Francis Lake Superior\Lac Superieur Vancouver Harbour, Central Portion\Partie Centrale Vancouver Harbour, Eastern Portion\Partie Est Vancouver Harbour, Western Portion\Partie Ouest Vancouver Island\Ile de Vancouver, Juan de Fuca Strait to\a Queen Charlotte Strait of Georgia BARRIE BATAWA LOCK / ÉCLUSE 4 BEAVERTON HARBOUR BENSFORT BRIDGE TO/À PETERBOROUGH BIG CHUTE BIG CHUTE MARINE RAILWAYS BER ROULANT BIG CHUTE TO / À PORT SEVERN BOBCAYGEON - LOCK/ÉCLUSE 32 BOBCAYGEON - LOCK/ÉCLUSE 32 BOBGAYGEON - LOCK/ÉCLUSE 32 BUCKHORN BUCKHORN - LOCK/ÉCLUSE 31 BUCKHORN TO/À GANNON NARROWS AND/ET HARRINGTON NARROWS BURLEIGH FALLS BURLEIGH FALLS LOCK/ÉCLUSE 28 BURLEIGH FALLS TO/À BUCKHORN CAMPBELLFORD LOCK / ÉCLUSE 13 COOK'S BAY AND/ET HOLLAND RIVER COUCHICHING LOCK / ÉCLUSE 42 COUCHICHING LOCK TO BIG CHUTE ÉCLUSE COUCHICHING À BIG CHUTE CROWE BAY LOCK / ÉCLUSE 14 DOURO LOCK/ÉCLUSE 24 FENELON FALLS - LOCK/ÉCLUSE 34 FRANKFORD LOCK / ÉCLUSE 6 GANNON NARROWS TO/À BOBCAYGEON GLEN MILLER LOCK / ÉCLUSE GLEN ROSS LOCK PLEASE NOTE: Continued use of GPS running in the background can dramatically decrease battery life.

About

SkyTimer

This app automatically logs flights, tracks fuel burn, and manages tank levels in real-time from your wrist, phone, or iPad. It provides detailed flight logs and can export data, acting as a cockpit companion for pilots.

Highlights
  • Automatic flight logging
  • Real-time fuel tracking
  • Multi-tank and engine support
  • Worldwide airport database
  • Smart fuel balancing
  • Detailed flight logs
  • Cross-device sync
Features
Read full description

SkyTimer automatically logs your flights and tracks fuel burn and tank changes in real time--from your wrist, phone, or iPad. A cockpit companion built to work alongside your EFB. Start a flight with a single tap. SkyTimer records block and flight times, tracks fuel quantity across up to 7 tanks and 4 engines, and logs your departure, arrival, and intermediate stop airports using a built-in worldwide airport database--no Internet required. *** FUEL MANAGEMENT, SIMPLIFIED *** SkyTimer calculates fuel burn, endurance, and remaining quantity on-the-fly using time-on-tanks and your configured burn rates. Update flow rates mid-flight for accuracy as conditions change. - Smart Balance calculates optimal tank timer durations to keep fuel balanced across tanks. - A robust reminder engine alerts you to configuration changes based on time-on-tank, fuel use, or fuel transferred. - Supports a wide range of fuel selectors and transfer switch types for single and multi-engine aircraft. *** AUTOMATIC FLIGHT TRACKING *** Smart Track uses GPS ground speed and your aircraft's Vso stall speed to automatically detect takeoffs and landings--no manual input needed. SkyTimer logs the times and airports for you. *** WORKS ON iPHONE, iPAD, AND APPLE WATCH *** Run SkyTimer on your iPad alongside your EFB in Split View, Windowed or Slide Over. On iPhone, Dynamic Island keeps your timers and fuel data visible even while you're in ForeFlight or Garmin Pilot--like a HUD for your flight data. SkyTimer for Apple Watch gives you full access to every feature right from your wrist, and works standalone if you leave your phone on the ground. Everything stays in sync across devices with iCloud. *** DETAILED FLIGHT LOGS *** Every trip is saved with flight and block times, airports, out/off/on/in times, fuel details, time-on-tanks, and Hobbs or Tach times. Export to CSV or directly to LogTen. Everything syncs across your devices with iCloud. *** FREE TO TRY, EASY TO UPGRADE *** Download SkyTimer for free and start tracking block and flight times at no charge. Unlock everything with SkyTimer Plus: - Fuel Quantity Tracking - Unlimited Flight Storage - Tank Timer Management - Auto-Track Takeoffs & Landings - Multiple Aircraft Profiles - iCloud Sync & Backup - In-flight Phone/Watch/iPad Sync --------------------- Price may vary by location. Subscriptions will be charged to your credit card through your App Store account. Your subscription will automatically renew unless cancelled at least 24 hours before the end of the current period. You will not be able to cancel the subscription once activated. After purchase, you can manage your subscriptions in App Store account settings. --------------------- Privacy Policy: https://skytimer.app/privacy/ Terms of Service: https://skytimer.app/terms/

Screenshots

Marine Navigation4 screens
SkyTimer4 screens

Verdict

The call

The clearest difference is price: SkyTimer at Free against Marine Navigation's $32.99. SkyTimer also leads on update cadence (fortnightly vs every 3 months) and ratings volume (22 vs 2). Marine Navigation's advantage is rating (4.5 vs 4.0) and review sentiment (68% vs 54%). On ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

SkyTimer is free to download; Marine Navigation costs $32.99 up front. Marine Navigation sells 3 one-off in-app purchases and SkyTimer sells 2 in-app purchases, starting at $2.49 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Marine Navigation holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: SkyTimer has 22 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 68% of Marine Navigation's written reviews are positive against 54% of SkyTimer's.

UpkeepUpdate frequency

Marine Navigation ships an update every 3 months, SkyTimer fortnightly. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

Scorecard7 real differences · 3 level
Marine Navigation versus SkyTimer: the parameters behind the verdict, then further details
ParameterMarine NavigationSkyTimer
Price$32.99Free — better
Rating4.5 (2 ratings) — better4.0 (22 ratings)
Positive reviews68.0% of reviews — better53.8% of reviews
Number of ratings222 — better
Update frequencyEvery 3 monthsFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationPaidFreemium — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS8.0 — better15.0
Further details — not scored
Size49 MB149 MB
Age rating4+4+
DeveloperBist LLCFramework Learning, LLC

Customer experience

Marine Navigation

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews25 reviews
Positive68.0%
Neutral0.0%
Negative32.0%

SkyTimer

All ratings22 ratings
Positive77.3%
Neutral4.5%
Negative18.2%
Written reviews13 reviews
Positive53.8%
Neutral15.4%
Negative30.8%

In-app purchases

3 purchases

Marine Navigation

One-time3
  • MARINE NAVIGATION / CHARTS USA$14.99
  • MARINE NAVIGATION/CHART-CANADA$19.99
  • Canada & USA - GPS Nautical Charts$24.99
2 purchases

SkyTimer

Subscriptions2
  • Monthly Plus Subscription$2.491 Month
  • Annual Plus Subscription$17.991 Year

Questions

Is Marine Navigation free?
Marine Navigation costs $32.99, and also offers in-app purchases.
Is SkyTimer free?
SkyTimer is free to download, with in-app purchases available.
Which has better reviews, Marine Navigation or SkyTimer?
Marine Navigation is rated higher. Marine Navigation averages 4.5 out of 5 from 2 ratings, while SkyTimer averages 4.0 from 22 ratings.
Do Marine Navigation or SkyTimer have ads?
Neither Marine Navigation nor SkyTimer shows ads.
Which is updated more often, Marine Navigation or SkyTimer?
Marine Navigation ships an update every 3 months, and SkyTimer fortnightly. Most recently, Marine Navigation was updated on October 6, 2026 and SkyTimer on October 7, 2026.

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