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iOS 3 can’t install from Safari. You can still download the IPA file, but you’re on your own after that.
speedClock
  • Price
    $1.99
  • CategoryUtilities
  • First releasedNovember 10, 2010
  • Versions2 archived
  • Installable2 of 2
  • AvailabilityStill on the App Store
  • SellerSten Kaiser

RequirementsCompatible with iPhone and iPod touch. Requires iOS 4.0 or later.

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The iPhone speed radar - easy-to-use speed measurement in your pocket, anytime, anywhere!

A unique, advanced app designed to easily measure the speed of cars, boats, skaters, skiers, cyclists, animals, models, footballs, tennis serves, etc. The system is based on motion detection, enabling you to track a moving object using a hand-held device alone. SpeedClock includes three separate speed measurement tools and two distance estimation tools.

Speed Radar 
 SpeedClock uses the camera to detect and analyze motion, and a reference distance to calculate the speed of an object. Define the distance to the object of interest, hold the iPhone still and let the object pass across the the screen. The speed is displayed automatically. SpeedClock is also able to automatically measure the speed and save an image of passing objects. The measurement can be initiated from an Apple Watch and the speed displayed on the watch face.

High Speed Video Recording
 An additional speed tool records and processes a video, which enables SpeedClock to track small, fast object, such as flying balls, that can be difficult to catch with regular motion detection. 

It also calculates additional parameters like acceleration.

Synchronized Timing Gates
 A third speed instrument uses two iPhone/iPads equipped with motion detection to start and stop the timer and measure the speed. The distance between the devices is used as reference, and the speed is calculated based on the time taken by the object to travel between the 'Start' and 'Stop' devices. The time is transmitted wirelessly over WiFi or Bluetooth.

Distance Measurement 
The stadimeter uses the size of a known object, e.g. a car, to calculate the distance. 
The clinometer uses your own height as reference, along with the angle of the iPhone, to estimate the distance to a point on the ground. 
The distances obtained from either tool can then be used to calculate the speed.

See a demo video at the application website (www.appmaker.se/speedClock)

ON LINE REVIEWS “All I can say is, Fantastic” http://www.madxperts.com/2010/12/03/measure-speed-app-speedclock-iphone-download/

"Wow, how cool is that!" http://www.ithinkdiff.com/turn-iphone-speed-measuring-gun-speedclock-download/

"You really going to like this app" dailyappshow.com/speedclock (video)

"A useful utility for anyone needing to measure speed" appmodo.com/44581/

"Useful, easy to use and quite a bit of fun (4 of 5)" appvader.com/2011/03/review-speedclock-iphone/

"speedClock is a useful app when you need to check the speed of yourself, or an object for exercise, racing or simple curiosity (4.5 of 5)" www.cooliphoneipadapps.com/2010/12/speedclock.html

"Astonishing" iphonelife.com/blog/5/speedclock-velocity-radar-099-app-lets-you-use-camera-measure-speed-objects

"It is a pleasure to use and operate. A nice app for those looking for a open-ended radar gun app." http://appadvice.com/appguides/show/baseball-radar-gun-apps

To install apps directly onto this device, it must be jailbroken with AppSync installed.
1.0
Requires iOS 4.0+
November 10, 2010
465 KB Install Download
2.0
Requires iOS 4.0+
576 KB Install Download

Chart History

Top Paid · Utilities View chart ›
Peaked at #36 (July 5, 2021) · 16 archived captures · Jun 2021 – Aug 2021

Ratings Over Time

DateVersionRatingRatingsPrice
December 1, 2010 — — — $0.99
March 21, 2011 2.0 — 22 $0.99
March 21, 2012 — — 57 $1.99

From archived App Store listing data, captured by the Wayback Machine.

Archived Reviews

8 of 25
Horrible App
     
by Dr I · October 2, 2019

Loaded the app but has no function other than scrolling motion detection screens. Not functioning at all Garbage

Speed Clock Review
     
by safety man earl · November 10, 2020

I am in safety on a job site and use the speed clock app daily for my job to keep speeding down on the job site! For the most part I like using it and like the features it offers. I am able to show them their speed with no contesting! I feel a five rating could be in order if it would work each time it’s hard to learn it and calibrate until u get used to it!

Excellent, and for the price, incredible!
     
by JonHenry333 · June 19, 2020

I installed the SpeedClock App on my iPhone X. I positioned the iPhone on a tripod in my driveway with a clear view of my street. I accurately measured the distance from the iPhone to the center of the street (43 feet) and input that number into the App as per the instructions. I drove down the street several times at 30 mph and found the App measured and recorded my speed accurately to within a couple of mph. I also used the option to capture the image which shows speed, date and time. I am the HOA President and I can use this App to help identify the speedsters in our neighborhood. My thanks to the developer!

My Application
     
by time/distace · June 14, 2021

It is essential that the user learn the operation and limitations of the application. Once understood, Ithe user will be able to apply it to testing speeds on a roadway. The application did exactly what it was designed to do. I verified the speeds with Doppler and laser technologies and so long as my distance from the target vehicle was accurate, SpeedClock was accurate +/- .5 mph. Recommend it? Yes! But understand the application, operations, and limitations.

Hit and miss
     
by kevin L 623 · August 8, 2022

I’ve been using the app now for about two weeks. I have noticed if I am in a shadow and the subject areas and light it does not work well I’m not I’m also having issues on Cloutier days is not working this morning and it works great afternoon zero very disappointing.

Promising Idea but...
     
by Dean Harring · November 24, 2019

Clunky, fragile, unreliable app. Keep looking.

Doesn’t work.
     
by Qwdgsbwltogi vs wbne · August 28, 2025

Difficult to use, doesn’t work on iPhone. Waste of money.

Wildly Inaccurate
     
by Andy_Shane · February 26, 2023

I wanted to recommend this app to people in our private neighborhood to clock traffic. After an hour of experimenting, I clocked a golf cart doing 108 miles an hour, several other slow moving cars at over 150 miles an hour. I moved to three different locations and each showed 20 to 30 mile an hour traffic indicating over 100 according to the app. After watching the tutorial again and resetting the program disparate traffic were all clocked at 17.6 mph on a private street. Unusable.

Period reviews recovered from Apple's customer-review feeds via the Wayback Machine.