Comparison

tcSpeeds vs GPS Speedometer

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

GPS Speedometer

Measure your real-time speed and track distance traveled with this offline GPS speedometer. It offers customizable units for speed, altitude, and time, along with trip tracking and data storage.

Highlights
  • Real-time speed measurement (kph/mph)
  • Offline operation, no internet required
  • Track traveled distance and time
  • Displays average and maximum speed
  • Altitude and compass display
  • Trip tracking with start/stop functionality
Features
Read full description

Turn your iPhone into a simple and reliable GPS speedometer for your car, bike, or everyday journeys. Track your real-time speed, distance, trip time, average speed, maximum speed, altitude, and more — using your iPhone's GPS. ### GPS SPEEDOMETER See your current speed clearly in real time. • KM/H and MPH support • Digital speedometer • Analog speedometer • Average speed • Maximum speed • GPS signal accuracy • Altitude and compass ### TRACK YOUR JOURNEYS Start a trip and keep track of your journey statistics. • Distance traveled • Average speed • Maximum speed • Total trip time • Start and stop trip tracking • Save your trip data ### WORKS WITHOUT INTERNET No internet connection is required for speed tracking. The app uses your device's GPS to measure your speed and distance. Perfect for: • Cars • Motorcycles • Bicycles • Scooters • Outdoor activities • Road trips ### SIMPLE SETTINGS Choose the settings that work best for you: • KM/H or MPH • Meters or feet for altitude • 12-hour or 24-hour time format Download GPS Speedometer: Speed Tracker and turn your iPhone into a convenient GPS speedometer and trip tracker. Note: GPS accuracy can vary depending on your device, environment, and GPS signal. Continuous GPS use may reduce battery life.

Screenshots

tcSpeeds4 screens
GPS Speedometer4 screens

Verdict

The call

The clearest difference is in-app purchases: GPS Speedometer at none against tcSpeeds's 1. GPS Speedometer also leads on update cadence (every 5 weeks vs every 7 months). tcSpeeds's advantage is ads (none vs shown) and rating (4.9 vs 4.4). On price, review sentiment, ratings volume 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

tcSpeeds holds the better App Store score, 4.9 against 4.4. Both are backed by a comparable volume of ratings — 10 and 9 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

tcSpeeds ships an update every 7 months, GPS Speedometer every 5 weeks. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

Scorecard5 real differences · 5 level
tcSpeeds versus GPS Speedometer: the parameters behind the verdict, then further details
ParametertcSpeedsGPS Speedometer
PriceFreeFree
Rating4.9 (10 ratings) — better4.4 (9 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings10 — better9
Update frequencyEvery 7 monthsEvery 5 weeks — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS16.615.0 — better
Further details — not scored
Size18 MB16 MB
Age rating4+4+
Developertransitional continuumPratixaben Chauhan

Customer experience

tcSpeeds

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

GPS Speedometer

All ratings9 ratings
Positive88.9%
Neutral0.0%
Negative11.1%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

tcSpeeds

One-time1
  • Advanced Performance Features$2.99
None

GPS Speedometer

No in-app purchases

Questions

Is tcSpeeds free?
tcSpeeds is free to download, with in-app purchases available.
Is GPS Speedometer free?
GPS Speedometer is free to download, with no in-app purchases.
Which has better reviews, tcSpeeds or GPS Speedometer?
tcSpeeds is rated higher. tcSpeeds averages 4.9 out of 5 from 10 ratings, while GPS Speedometer averages 4.4 from 9 ratings.
Do tcSpeeds or GPS Speedometer have ads?
GPS Speedometer shows ads; tcSpeeds does not.
Which is updated more often, tcSpeeds or GPS Speedometer?
tcSpeeds ships an update every 7 months, and GPS Speedometer every 5 weeks. Most recently, tcSpeeds was updated on October 24, 2026 and GPS Speedometer on October 22, 2026.

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