Comparison

TideMeasure vs Wind Coach

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

Head to head
About

TideMeasure

Measure sea current speed and direction using your iPhone's GPS. Ideal for sailors, coaches, and race teams to map readings, review history, and share data for tactical advantage. Works offline.

Highlights
  • Measure current speed and direction with GPS
  • View results in multiple units (m/min, m/s, cm/s, knots)
  • Map measurements across race areas
  • Review saved measurements and history
  • Create or join teams to share readings
  • Export measurements as CSV
  • Offline measurement capability
Features
Currently charting
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.

About

Wind Coach

Read full description

Wind Coach connects to your boat's wind instruments via WiFi, giving you real-time wind analytics that help you make smarter decisions on the racecourse. LIVE WIND DISPLAY Stream true and apparent wind data from your YachtDevice YDWG gateway or B&G MFD over WiFi/TCP. See real-time speed and direction graphs with smoothing, trend indicators, and wind shift alerts. RACE-GRADE ANALYTICS Wind Coach computes the same metrics used by professional sailing coaches: - Detrended CSD: measures how shifty conditions are - Phase Persistence: how long shifts last before reversing - Phase Duration L/R: time spent in left vs right phase - Shift Trend: degrees per hour of persistent veer or back - Oscillation Predictability: how periodic the shifts are - Dominant Period: the rhythm of wind oscillations in minutes B&G MFD FILE DOWNLOADS Browse and download wind data files from your B&G Zeus chartplotter over WiFi/FTP. M2X ANALYTICS INTEGRATION Sign in with your M2X Analytics account to automatically sync wind data. Works offline - data queues while you race and uploads when you're back on internet. NETWORK SCANNER Auto-discover NMEA instruments on your WiFi network. Finds YachtDevice gateways and B&G MFDs automatically. Built by sailors, for sailors. Wind Coach is part of the M2X Analytics platform.

Screenshots

TideMeasure4 screens

Verdict

The call

The clearest difference is price: Wind Coach at Free against TideMeasure's $19.99. Wind Coach also leads on update cadence (every 5 days vs every 2 months). TideMeasure's advantage is chart position (#172 vs unranked) and device support. On in-app purchases 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

Wind Coach is free to download; TideMeasure costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

TideMeasure ships an update every 2 months, Wind Coach every 5 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 7 level
TideMeasure versus Wind Coach: the parameters behind the verdict, then further details
ParameterTideMeasureWind Coach
Price$19.99Free — better
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 monthsEvery 5 days — better
AdsNo—
In-app purchasesNoNo
MonetizationPaid—
Best chart rank#172 — better—
DevicesiPhone, iPad — better—
Requires iOS17.017.0
Further details — not scored
Size14 MB3 MB
Age rating4+4+
DeveloperMaster Sailing jdooWilliam McBride

In-app purchases

None

TideMeasure

No in-app purchases

None

Wind Coach

No in-app purchases

Questions

Is TideMeasure free?
TideMeasure costs $19.99, with no in-app purchases.
Is Wind Coach free?
Wind Coach is free to download, with no in-app purchases.
Which is updated more often, TideMeasure or Wind Coach?
TideMeasure ships an update every 2 months, and Wind Coach every 5 days. Most recently, TideMeasure was updated on October 30, 2026 and Wind Coach on October 25, 2026.

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