CrewView vs Sea Current Measure Tool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Customizable data display
- Up to 4 values simultaneously
- Day and Night modes
- Automatic orientation layout
- Unlimited device support
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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
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.
- 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
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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
Verdict
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
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.
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.
| Parameter | CrewView | Sea Current Measure Tool |
|---|---|---|
| Price | Free — better | $19.99 |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 26 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Sailmon BV | Master Sailing jdoo |
Customer experience
CrewView
Sea Current Measure Tool
In-app purchases
CrewView
No in-app purchases
Sea Current Measure Tool
No in-app purchases
Questions
Is CrewView free?
Is Sea Current Measure Tool free?
Do CrewView or Sea Current Measure Tool have ads?
Which is updated more often, CrewView or Sea Current Measure Tool?
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