Comparison

Tide Graph Pro vs Coastal Explorer

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

Head to head
About

Tide Graph Pro

Access up-to-date and historical tide and water current predictions for over 9000 US locations offline. Visualize data with daily, weekly, monthly, and yearly graphs, and receive customizable alerts for high and low tides.

Highlights
  • Offline tide and water current predictions
  • Over 9000 US locations
  • Daily/Weekly/Monthly/Yearly tide graphs
  • High/Low tide alert notifications
  • Apple Watch integration
  • GPS/Map/Search tides
Features
Currently charting
Read full description

Tide Graph Pro universal app provides over 9000 up to date and historical US tide and water current predictions without the need for an internet connection. The scrolling design and the optimized prediction engine was developed from the ground up based on formulas and data provided by the National Oceanic and Atmospheric Administration (NOAA). Additional Features of Pro version - Daily/Weekly/Monthly/Yearly tides graphs - Multiple Stations - High/Low tide Alert Notifications - Apple Watch Integration - Designed for iPad/iPhone and iPhoneX - Moon Chart - GPS/Map/Search Tides - Barometric Pressure calibration - Time offset calibration

About

Coastal Explorer

Plan and log your cruises with detailed nautical charts and weather forecasts. Enhance your experience with a subscription for offline access, real-time navigation, and integration with marine electronics.

Highlights
  • View NOAA and USACE nautical charts
  • Create routes and waypoints
  • Cloud synchronization
  • ActiveCaptain points of interest
  • US Coast Pilot information
  • Marine weather forecasts
  • Tide and current predictions
Features
Read full description

Coastal Explorer™ is a sophisticated, full-featured, easy-to-use cruise planning and logging tool designed specifically for the pleasure boater. And it becomes a complete navigation system with the purchase of a chart subscription. The free Coastal Explorer app provides these great planning features: * View NOAA and USACE nautical charts for the US in vector format * Create routes, waypoints, boundaries, and other navigation objects * Cloud-synchronization of your navigation objects * ActiveCaptain points of interest * US Coast Pilot information * Marine weather forecasts and observations for the US * Tide and current predictions for the US Purchasing a chart subscription turns Coastal Explorer into a complete navigation system that includes: * Downloadable charts, tide and current predictions, Coast Pilot, and ActiveCaptain places for offline use * Interfacing with compatible networked marine electronics devices, including GPS, compass, depth sounder, anemometer, AIS, autopilot, and more * Customizable instrument panels * Route following with cross-track error, distance and time to go, estimated time of arrival, etc * Track and event recording * Integrated blogging Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. See our Terms of Service at https://www.rosepoint.com/legal/terms_of_service.

Screenshots

Tide Graph Pro4 screens
Coastal Explorer4 screens

Verdict

The call

The clearest difference is review sentiment: Tide Graph Pro at 85% against Coastal Explorer's 11%. Tide Graph Pro also leads on rating (4.8 vs 2.8) and in-app purchases (none vs 2). Coastal Explorer's advantage is price (Free vs $5.99) and update cadence (every 2 weeks vs every 3 weeks). On ads, device support and iOS requirement 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

Coastal Explorer is free to download; Tide Graph Pro costs $5.99 up front. Coastal Explorer sells 2 in-app purchases, starting at $19.99 per month. Tide Graph Pro asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Tide Graph Pro holds the better App Store score, 4.8 against 2.8. That said, the two scores are not equally well evidenced: Tide Graph Pro has 3.6K ratings behind it against 16, so its average is the more settled of the two. Written reviews point the same way: 85% of Tide Graph Pro's written reviews are positive against 11% of Coastal Explorer's.

UpkeepUpdate frequency

Tide Graph Pro ships an update every 3 weeks, Coastal Explorer every 2 weeks. The most recent releases landed on September 30, 2026 and September 21, 2026 respectively.

Scorecard8 real differences · 3 level
Tide Graph Pro versus Coastal Explorer: the parameters behind the verdict, then further details
ParameterTide Graph ProCoastal Explorer
Price$5.99Free — better
Rating4.8 (3.6K ratings) — better2.8 (16 ratings)
Positive reviews84.5% of reviews — better11.1% of reviews
Number of ratings3.6K — better16
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
Best chart rank#43 — better—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS14.014.0
Further details — not scored
Size34 MB54 MB
Age rating4+4+
DeveloperBrainware LLCRose Point Navigation Systems, Inc

Customer experience

Tide Graph Pro

All ratings3,605 ratings
Positive96.5%
Neutral1.7%
Negative1.8%
Written reviews97 reviews
Positive84.5%
Neutral5.2%
Negative10.3%

Coastal Explorer

All ratings16 ratings
Positive43.8%
Neutral0.0%
Negative56.3%
Written reviews9 reviews
Positive11.1%
Neutral0.0%
Negative88.9%

Bugs and requests

Tide Graph Pro

Reported bugs

3 issues
  • Crashes on startup for some users
  • Saved locations disappearing after updates
  • Apple Watch app not refreshing properly

Requested features

4 requests
  • Current and current predictions
  • Ability to quickly jump to current time
  • More customization options
  • Expanded coverage for additional regions

Coastal Explorer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Tide Graph Pro

No in-app purchases

2 purchases

Coastal Explorer

Subscriptions2
  • Monthly Subscription$19.991 Month
  • Yearly Subscription$49.991 Year

Questions

Is Tide Graph Pro free?
Tide Graph Pro costs $5.99, with no in-app purchases.
Is Coastal Explorer free?
Coastal Explorer is free to download, with in-app purchases available.
Which has better reviews, Tide Graph Pro or Coastal Explorer?
Tide Graph Pro is rated higher. Tide Graph Pro averages 4.8 out of 5 from 3.6K ratings, while Coastal Explorer averages 2.8 from 16 ratings.
Do Tide Graph Pro or Coastal Explorer have ads?
Neither Tide Graph Pro nor Coastal Explorer shows ads.
Which is updated more often, Tide Graph Pro or Coastal Explorer?
Tide Graph Pro ships an update every 3 weeks, and Coastal Explorer every 2 weeks. Most recently, Tide Graph Pro was updated on September 30, 2026 and Coastal Explorer on September 21, 2026.

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