Comparison

Speedometer km/h Odometer vs CarSpeedTest

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

Head to head
About

Speedometer km/h Odometer

This GPS-based application displays your current speed in km/h and tracks distance traveled. It records your maximum speed, alerts you to speed changes, and shows your top speed's location on a map. Offers light and dark modes for user preference.

Highlights
  • GPS speed display (km/h)
  • Distance traveled tracking
  • Maximum speed recording
  • Speed limit alerts
  • Map display of max speed location
  • Light and dark mode
Features
Read full description

A simple GPS digital speedometer free app that displays the speed kilometers per hour (km / h) measured by the GPS and the distance traveled. Keep a record of the maximum speed and vibrate with the maximum speed update or the specified speed exceeded. The background color can be switched between light mode and dark mode. The position and time of the maximum speed are displayed on the map. Notify GPS measurement error. Even on motorcycles, cars and planes.

About

CarSpeedTest

Measure your car's acceleration from 0 to 100 (or higher) using your phone's GPS. View your speed in real-time with large, easy-to-read digits and track your performance over time with a speed curve chart. Results sync across devices via iCloud.

Highlights
  • Automatic acceleration timing
  • Customizable target speeds
  • Real-time GPS speed measurement
  • Large, easy-to-read speed display
  • Speed curve charting
  • iCloud sync for history and settings
Features
Read full description

How fast does your car really hit 0–100? Tap Start, hit the gas, and let GPS time it for you. ACCELERATION TIMING After you tap Start, timing begins automatically the moment you pull away and stops when you reach your target speed. See your result at a glance. Beyond 0–100, you can also measure 0–200 or 0–300. CUSTOM TARGET SPEED Choose a target speed of 100, 120, 150, 180, 200, 250, or 300. The default is 100. PRECISE GPS MEASUREMENT Speed is measured in real time with your phone's GPS. No extra hardware needed — just put your phone in a mount. BIG, EASY-TO-READ SPEED Extra-large digits show your current speed so you can read it in a glance. KM/H OR MPH Switch between kilometers and miles to suit your preference. SPEED CURVE CHART See your whole run as a curve and check how each stage of the acceleration performed. HISTORY & ICLOUD SYNC Your latest 10 results are saved automatically, so you can compare before and after mods or across different road conditions. When you're signed in to iCloud, your history and settings sync across your devices and stay with you when you reinstall the app or move to a new iPhone. NO INTERRUPTIONS DURING A RUN Ads only appear after you close your result, never while you're timing a run. Safety note: Only test on a closed course or where it is legal and safe. Obey all traffic laws and never operate your phone while driving.

Screenshots

Speedometer km/h Odometer1 screens
CarSpeedTest4 screens

Verdict

The call

The clearest difference is rating: Speedometer km/h Odometer at 4.5 against CarSpeedTest's 1.0. Speedometer km/h Odometer also leads on ratings volume (251 vs 1) and iOS requirement (12.0 vs 15.0). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Speedometer km/h Odometer holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: Speedometer km/h Odometer has 251 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Speedometer km/h Odometer ships an update every 5 weeks, CarSpeedTest monthly. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
Speedometer km/h Odometer versus CarSpeedTest: the parameters behind the verdict, then further details
ParameterSpeedometer km/h OdometerCarSpeedTest
PriceFreeFree
Rating4.5 (251 ratings) — better1.0 (1 ratings)
Positive reviews35.0% of reviews—
Number of ratings251 — better1
Update frequencyEvery 5 weeksMonthly — better
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supportedAd-supported
DevicesiPhone, iPodiPhone, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size14 MB6 MB
Age rating4+4+
DeveloperSHIGETO TAKAGIWeichen Cheng

In-app purchases

None

Speedometer km/h Odometer

No in-app purchases

None

CarSpeedTest

No in-app purchases

Questions

Is Speedometer km/h Odometer free?
Speedometer km/h Odometer is free to download, with no in-app purchases.
Is CarSpeedTest free?
CarSpeedTest is free to download, with no in-app purchases.
Which has better reviews, Speedometer km/h Odometer or CarSpeedTest?
Speedometer km/h Odometer is rated higher. Speedometer km/h Odometer averages 4.5 out of 5 from 251 ratings, while CarSpeedTest averages 1.0 from 1 ratings.
Do Speedometer km/h Odometer or CarSpeedTest have ads?
Both Speedometer km/h Odometer and CarSpeedTest show ads.
Which is updated more often, Speedometer km/h Odometer or CarSpeedTest?
Speedometer km/h Odometer ships an update every 5 weeks, and CarSpeedTest monthly. Most recently, Speedometer km/h Odometer was updated on November 6, 2026 and CarSpeedTest on November 3, 2026.

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