Comparison

CrewView vs Sea Current Measure Tool

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

Head to head
About

CrewView

This app turns your iOS device into a customizable display for sailing data. Crew members can independently view up to four SAILMON system values on their own devices, in either day or night mode, with automatic layout adjustments for orientation.

Highlights
  • Customizable data display
  • Up to 4 values simultaneously
  • Day and Night modes
  • Automatic orientation layout
  • Unlimited device support
Features
Read full description

Our SAILMON CrewView app transforms your iOS device into a customizable display, so each crew member can choose any value available on the SAILMON system without interfering with the Sailmon Instruments. Display up to 4 values simultaneously individually configured on unlimited devices. CrewView lets you: Display 1 to 4 numbers in Day or Night mode mimicking the SAILMON screens Arrange the numbers automatically depending on orientation of the device Easily customize the screen. Usage -In order to change value hold your finger on the value you would like to change after 3 sec a menu will appear. -Select the value you want to see and jump back to the display -Use 2 or 3 fingers to swipe and change the amount of numbers and day or night background

About

Sea Current Measure Tool

This tool helps sailors and coaches measure sea current speed and direction directly on the water using an iPhone. It's designed for race preparation and training, using GPS data to calculate water movement from a floating object.

Highlights
  • Measure sea current speed and direction
  • GPS-based current calculation
  • Simple start and stop measurement
  • Store and review measurements
  • Display measurements on map
  • Useful for race preparation and training
Features
Read full description

Measure sea-current speed and direction from your iPhone in minutes—built for sailors, coaches, and race teams. Map readings across the race area, review history, export CSV data, and share measurements with your team for smarter tactical decisions. WHY TIDEMEASURE Even a small current can change boat speed, laylines, mark roundings, and the favored side of the course. TideMeasure turns a simple drift test into a clear speed-and-direction result without specialized hardware. HOW IT WORKS 1. Drop a floating stick or small object into the water. 2. Tap Start as it begins to drift. 3. Retrieve it after a short measurement. 4. Tap Stop to see current speed and direction. FEATURES • Measure current speed and direction using GPS • View results in m/min, m/s, cm/s, or knots • Map measurements across the race area • Review saved measurements and history • Create or join a team and share readings • Select and export measurements as CSV • Continue measuring offline TideMeasure is designed for race preparation, coaching, training sessions, and building a clearer picture of current around the course. Location access is required during measurements and for displaying results on the map. Apple Maps data is used for mapping.

Screenshots

CrewView2 screens
Sea Current Measure Tool4 screens

Verdict

The call

The clearest difference is price: CrewView at Free against Sea Current Measure Tool's $19.99. CrewView also leads on iOS requirement (12.0 vs 17.0). Sea Current Measure Tool's advantage is update cadence (every 2 months vs every 4 months). On review sentiment, 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

CrewView is free to download; Sea Current Measure Tool costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

CrewView ships an update every 4 months, Sea Current Measure Tool every 2 months. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

Scorecard4 real differences · 6 level
CrewView versus Sea Current Measure Tool: the parameters behind the verdict, then further details
ParameterCrewViewSea Current Measure Tool
PriceFree — better$19.99
Rating—5.0 (1 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size26 MB14 MB
Age rating4+4+
DeveloperSailmon BVMaster Sailing jdoo

Customer experience

CrewView

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Sea Current Measure Tool

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

CrewView

No in-app purchases

None

Sea Current Measure Tool

No in-app purchases

Questions

Is CrewView free?
CrewView is free to download, with no in-app purchases.
Is Sea Current Measure Tool free?
Sea Current Measure Tool costs $19.99, with no in-app purchases.
Do CrewView or Sea Current Measure Tool have ads?
Neither CrewView nor Sea Current Measure Tool shows ads.
Which is updated more often, CrewView or Sea Current Measure Tool?
CrewView ships an update every 4 months, and Sea Current Measure Tool every 2 months. Most recently, CrewView was updated on October 16, 2026 and Sea Current Measure Tool on October 10, 2026.

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