Comparison

KWINDOO Tracking for sailing vs tcSpeeds

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

Head to head
About

KWINDOO Tracking for sailing

Record your sailing routes, capture photos and videos directly from the app, and share your progress live with friends. Participate in regattas, view racecourses, and analyze your performance with detailed tracking data and heat-map analytics.

Highlights
  • Self-tracking for sailing routes
  • In-app photo and video capture
  • Live tracking sharing
  • Regatta event participation
  • Real-time bearing and distance to waypoints
  • Performance analytics with heat-maps
  • Create and invite friends to regattas
Features
Read full description

Track your sailing with KWINDOO Tracking, or join organized regatta events worldwide. Use Self tracking for your sailing. Track your sailed route, take photos or videos on your boat directly form the app during the sailing and save them together with your tracking. Share your tracking with friends, so they can follow your sailing live. Join sailing regatta and see the racecourse on your smartphone. Check your bearing and distance real time for the shortest path to the next waypoint. Watch finished race’s replay and check every opponent boat. Set up small sailing events and invite your friends with unlimited number of boat to participate your regatta. Login to kwindoo.com and watch your regatta tracking replay with all the photos and videos. Tracking data includes: • Tracked route on heat-map • Speed – Maximum/Average • Distance • Completed waypoints • Sailing time - Race time After sail - performance analytics Heat-map type performance analytics on your mobile. Amazing tracking details, outstanding accuracy.

About

tcSpeeds

This app provides advanced sailing performance metrics using your device's GPS and sensors. It offers detailed speed, wind, and directional measurements, along with a proprietary performance index. Easily track your progress and compare it with others, with zero setup required.

Highlights
  • Advanced speed and velocity measurements
  • Proprietary Pilot Performance Index (PPI)
  • Wind measurement with optional sensor
  • Waypoint navigation and tracking
  • Apple Watch extension
  • Real-time performance alerts
Features
Read full description

tcSpeeds provides advanced knowledge of your current speed, average speeds, maximum speed, directional speeds, velocity made good, wind measurements, and much more. You will be able to measure your performance on a straight course with our proprietary Pilot Performance Index (PPI) computation. Compare how good you are at the controls with your friends or against your autopilot. tcSpeeds stands on its own and does not require external hardware or connections to operate. tcSpeeds uses your device's own internal GPS, accelerometers, and compass. For Wind measurement, you will need to acquire the Calypso Ultrasonic Wind sensor. More sensors will be supported in the future. Easy to use and conceived to minimize operational burden on the user, because we know you have other things to do. Zero setup required: install, launch and tap the start button. Designed for iPhones, and GPS-equipped iPads. CAPABILITIES - Add waypoints on the map - Apple watch extension - auto-VMG Velocity Made Good automatic detection - Add, move, or edit you waypoint location on the map - Cross track to waypoint indicator - Record and save your track - Start Line guide for speed and heading when you race - VMG automatic maximum VMG to waypoint - VMG visual assistant: guides you to the best course to the waypoint on the current tack - Maximum VMG indicator relative to waypoint - Audio alert for Acceleration and maximum speed: get instant feedback for you and your team when you are doing it right - Apple Watch Extension: Speed, Course, VMG, Cross-Track, Display remote control and more - Arrival Time: smart computation using filtered VMG averages - Barometer indicator on supported devices - Pilot Performance Index (PPI) calculation improvement - Speed indicator with color-scaled plot - Directional speed vectors panel with automatic polar graph - Maximum speed keeping - Maximum speed audio and visual alarms - Trip distance recording - Add, move, edit Waypoints - Accurate sub-second timer - GPS status with location accuracy indication - Boxed average speed by timed interval: 10-sec 1-min 10-min 1-hour - Pilot Performance Index (PPI) calculation, measurement, and guide - Target course indicator with automatic and manual fine tuning - Headings, bearings and directional indicators (magnetic/true) - Precise real-time cross track reporting - Course, Compass and proprietary C-Course heading selector - Rapid units selection: metric, nautical and imperial - Situational (non-navigational) map with color-coded speed track - Map display with target course and Look-Ahead-Vector (LAV) - Time and distance to autoscaled LAV endpoint - Velocity Made Good (VMG) relative to Waypoint - Magnetic compass and Course Over Ground (COG) integrated panel - Crab angle and local magnetic declination

Screenshots

KWINDOO Tracking for sailing4 screens
tcSpeeds4 screens

Verdict

The call

The clearest difference is in-app purchases: KWINDOO Tracking for sailing at none against tcSpeeds's 1. KWINDOO Tracking for sailing also leads on update cadence (monthly vs every 7 months) and ratings volume (61 vs 10). tcSpeeds's advantage is rating (4.9 vs 4.5). On price, review sentiment, ads and monetization model 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

Both are free to download. tcSpeeds sells 1 one-off in-app purchase. KWINDOO Tracking for sailing asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

tcSpeeds holds the better App Store score, 4.9 against 4.5. That said, the two scores are not equally well evidenced: KWINDOO Tracking for sailing has 61 ratings behind it against 10, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

KWINDOO Tracking for sailing ships an update monthly, tcSpeeds every 7 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

Scorecard4 real differences · 6 level
KWINDOO Tracking for sailing versus tcSpeeds: the parameters behind the verdict, then further details
ParameterKWINDOO Tracking for sailingtcSpeeds
PriceFreeFree
Rating4.5 (61 ratings)4.9 (10 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings61 — better10
Update frequencyMonthly — betterEvery 7 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPhone, iPad, MaciPhone, iPad, Apple Watch
Requires iOS16.0 — better16.6
Further details — not scored
Size27 MB18 MB
Age rating4+4+
DeveloperKwindoo Magyarorszag Korlatolt Felelossegu Tarsasagtransitional continuum

Customer experience

KWINDOO Tracking for sailing

All ratings60 ratings
Positive90.0%
Neutral5.0%
Negative5.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

tcSpeeds

All ratings10 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

KWINDOO Tracking for sailing

No in-app purchases

1 purchases

tcSpeeds

One-time1
  • Advanced Performance Features$2.99

Questions

Is KWINDOO Tracking for sailing free?
KWINDOO Tracking for sailing is free to download, with no in-app purchases.
Is tcSpeeds free?
tcSpeeds is free to download, with in-app purchases available.
Which has better reviews, KWINDOO Tracking for sailing or tcSpeeds?
tcSpeeds is rated higher. KWINDOO Tracking for sailing averages 4.5 out of 5 from 61 ratings, while tcSpeeds averages 4.9 from 10 ratings.
Do KWINDOO Tracking for sailing or tcSpeeds have ads?
Neither KWINDOO Tracking for sailing nor tcSpeeds shows ads.
Which is updated more often, KWINDOO Tracking for sailing or tcSpeeds?
KWINDOO Tracking for sailing ships an update monthly, and tcSpeeds every 7 months. Most recently, KWINDOO Tracking for sailing was updated on November 1, 2026 and tcSpeeds on November 2, 2026.

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