Comparison

Waterspeed Sailing GPS Tracker vs Runcalcs

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

Head to head
About

Waterspeed Sailing GPS Tracker

Track your performance across over 30 water sports with detailed metrics like speed, distance, and wind conditions. Analyze your sessions, compare gear, and connect with a community of water sports enthusiasts. Offers advanced features for dedicated athletes.

Highlights
  • GPS tracking for 30+ water sports
  • Detailed speed, distance, and duration metrics
  • Wind, weather, and tide forecasts (Pro)
  • Heart rate and gear logging
  • Session history and progress tracking
  • Live location sharing (Pro)
  • Integration with Apple Watch, Garmin, Coros, Suunto
Features
Read full description

Waterspeed is a GPS tracker for sailing, wingfoil, windsurf, SUP, kayak and 30+ other water sports. Record every session on the water and see your speed, distance and track in detail. WIND ALERTS AND FORECASTS • Wind alerts: pick when you want to head out, and Waterspeed tells you when the wind is right, with time to get ready (Pro) • Wind, weather and tide forecasts for the spots near you (Pro) • Wind history and spot conditions (Explore+) MEASURE • Speed, max speed, average speed, distance and duration • Best speeds over 2 s, 10 s and 500 m (Pro) • Your track on the map, with speed shown along the route • Heart rate from your watch, wind, strokes and foiling time • Tacks and gybes analysis, foiling efficiency (Pro) • VMG (velocity made good) and true wind angle (Ultra) • Polar charts and performance against target speeds (Ultra) • Upwind/downwind and port/starboard analysis, legs and runs, gains and losses in distance and angle (Ultra) • Countdown timer for race starts (Pro) • Session history and progress over months and seasons WORKS WITH YOUR DEVICES AND APPS • Apple Watch: record your session right from your wrist • Garmin, Coros, Suunto and Vakaros: your sessions sync into Waterspeed automatically • Strava and GPS-Speedsurfing.com: send your sessions there automatically (Pro) SPORTS Sailing (dinghy, keelboat, catamaran), wingfoil, windsurf, kitesurf, foil, efoil, pumpfoil, SUP, kayak, canoe, downwind, powerboat and 30+ water sports. IMPROVE • Log your gear (boards, sails, wings, foils, boats) and compare sessions • Challenges and leaderboards with the community • Share sessions with friends LIVE SHARING • Live location sharing, so people on shore can follow you (Pro) PLANS Free to download and record. Pro unlocks full stats, history and sync. Ultra adds advanced sailing and racing analysis: VMG, true wind angle, polars, legs and runs. Waterspeed Pro and Ultra are monthly or yearly subscriptions. Payment is charged to your Apple account and renews automatically unless canceled at least 24 hours before the end of the current period. One subscription works on all Apple devices linked to your iCloud account. Waterspeed can export activities to Apple Health. We love hearing from the community: support@waterspeedapp.com Terms of Service: https://www.waterspeedapp.com/terms Privacy Policy: https://www.waterspeedapp.com/privacy

About

Runcalcs

Features
Read full description

8 unique calculators for runners at any level. Whether you’re building a training plan, dialling in easy-day pace, or checking zones before intervals, RunCalcs makes the numbers simple and reliable. Features at a glance Pacing - Pace calculator - Splits planner Racing - Predictive race time calculator Training - Running cadence calculator - Heart-rate training zones - VO2 Max Calculator Health - Recovery time calculator - BMI calculator Thoughtful defaults & inline validation Works offline Run smarter - with the numbers that matter.

Screenshots

Waterspeed Sailing GPS Tracker4 screens
Runcalcs3 screens

Verdict

The call

The clearest difference is in-app purchases: Runcalcs at none against Waterspeed Sailing GPS Tracker's 10. Waterspeed Sailing GPS Tracker's advantage is update cadence (every 10 days vs every 2 months). On price, 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

Both are free to download. Waterspeed Sailing GPS Tracker sells 10 in-app purchases, starting at $2.99 per month. Runcalcs asks for nothing beyond the download.

UpkeepUpdate frequency

Waterspeed Sailing GPS Tracker ships an update every 10 days, Runcalcs every 2 months. The most recent releases landed on November 13, 2026 and November 8, 2026 respectively.

Scorecard2 real differences · 8 level
Waterspeed Sailing GPS Tracker versus Runcalcs: the parameters behind the verdict, then further details
ParameterWaterspeed Sailing GPS TrackerRuncalcs
PriceFreeFree
Rating4.6 (1.1K ratings) — better—
Positive reviews84.8% of reviews—
Number of ratings1.1K — better—
Update frequencyEvery 10 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size146 MB4 MB
Age rating4+4+
DeveloperWaterspeed Technologies LimitedJohn Templeton

In-app purchases

10 purchases

Waterspeed Sailing GPS Tracker

Subscriptions10
  • WS Monthly subscription14 Days trial$2.991 Month
  • Monthly14 Days trial$2.991 Month
  • Monthly Subscription14 Days trial$3.991 Month
Show 7 more
  • WS Quarterly subscription14 Days trial$7.993 Months
  • Waterspeed Ultra Monthly1 Month trial$9.991 Month
  • Waterspeed Ultra Monthly$19.991 Month
  • WS Yearly subscription14 Days trial$29.991 Year
  • Yearly Subscription14 Days trial$29.991 Year
  • Waterspeed Ultra Yearly1 Month trial$99.001 Year
  • Waterspeed Ultra Yearly14 Days trial$199.001 Year
None

Runcalcs

No in-app purchases

Questions

Is Waterspeed Sailing GPS Tracker free?
Waterspeed Sailing GPS Tracker is free to download, with in-app purchases available.
Is Runcalcs free?
Runcalcs is free to download, with no in-app purchases.
Do Waterspeed Sailing GPS Tracker or Runcalcs have ads?
Neither Waterspeed Sailing GPS Tracker nor Runcalcs shows ads.
Which is updated more often, Waterspeed Sailing GPS Tracker or Runcalcs?
Waterspeed Sailing GPS Tracker ships an update every 10 days, and Runcalcs every 2 months. Most recently, Waterspeed Sailing GPS Tracker was updated on November 13, 2026 and Runcalcs on November 8, 2026.

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