Comparison

tcSpeeds vs Mojo Sailing

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

Head to head
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

About

Mojo Sailing

This sailing app transforms live boat data into clear, powerful instruments for racers and cruisers. It offers essential tools for navigation, race timing, and immediate Man Overboard alerts, optimized for cockpit visibility.

Highlights
  • Routing with NOAA Charts
  • Bearing & Compass Tools
  • Man Overboard (MOB) alerts
  • Race Timer & Start Tools
  • Live NMEA Instrument Display
  • iPhone & iPad Optimized
Features
Read full description

Mojo Instruments is a modern sailing companion for racers, cruisers, and anyone who lives by wind, tide, and timing. Built for iPhone and iPad, Mojo turns live boat data into clean, powerful instruments. Whether you’re lining up for the start, navigating, or reacting instantly to a Man Overboard, Mojo keeps critical information front and center — fast, readable, and reliable. Key Features - Routing with NOAA Charts with polars (create course and class start times on https://www.mojosailing.app/) - Bearing & Compass Tools: Quick visual bearings and heading references designed for on-deck decision making. - Man Overboard (MOB): Instant MOB marking and navigation, plus quick SMS alert sharing - Race Timer & Start Tools: Purpose-built race timers and stopwatches to nail the start and stay competitive. - Live NMEA Instrument Display: Connect over Wi-Fi and display live NMEA 0183 data via UDP or TCP: Speed, heading, wind, depth, GPS, and more - Anchor Watch with loud alarm. Works with common onboard instrument systems and multiplexers. iPhone & iPad Optimized: Designed for cockpit visibility, night sailing, and quick glances.

Screenshots

tcSpeeds4 screens
Mojo Sailing4 screens

Verdict

The call

The clearest difference is in-app purchases: Mojo Sailing at none against tcSpeeds's 1. Mojo Sailing also leads on update cadence (weekly vs every 7 months). tcSpeeds's advantage is ratings volume (10 vs 3). On price, rating, 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. Mojo Sailing asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for tcSpeeds against 5.0 for Mojo Sailing. Both are backed by a comparable volume of ratings — 10 and 3 respectively.

UpkeepUpdate frequency

tcSpeeds ships an update every 7 months, Mojo Sailing weekly. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

Scorecard3 real differences · 7 level
tcSpeeds versus Mojo Sailing: the parameters behind the verdict, then further details
ParametertcSpeedsMojo Sailing
PriceFreeFree
Rating4.9 (10 ratings)5.0 (3 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings10 — better3
Update frequencyEvery 7 monthsWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS16.6 — better17.6
Further details — not scored
Size18 MB5 MB
Age rating4+4+
Developertransitional continuumFrederic PERGOLA

Customer experience

tcSpeeds

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

Mojo Sailing

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

tcSpeeds

One-time1
  • Advanced Performance Features$2.99
None

Mojo Sailing

No in-app purchases

Questions

Is tcSpeeds free?
tcSpeeds is free to download, with in-app purchases available.
Is Mojo Sailing free?
Mojo Sailing is free to download, with no in-app purchases.
Which has better reviews, tcSpeeds or Mojo Sailing?
Mojo Sailing is rated higher. tcSpeeds averages 4.9 out of 5 from 10 ratings, while Mojo Sailing averages 5.0 from 3 ratings.
Do tcSpeeds or Mojo Sailing have ads?
Neither tcSpeeds nor Mojo Sailing shows ads.
Which is updated more often, tcSpeeds or Mojo Sailing?
tcSpeeds ships an update every 7 months, and Mojo Sailing weekly. Most recently, tcSpeeds was updated on October 24, 2026 and Mojo Sailing on October 19, 2026.

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