Acceleration is made and published by
Kevin Power.
AppBrain is an independent app data site and isn't affiliated with Kevin Power.
The app name, icon, screenshots and description belong to Kevin Power and are shown as
published on the App Store.
About Acceleration
Acceleration is a lifestyle app developed by Kevin Power.
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App Information
Acceleration is freely available from the App Store. The app size is 27.80 MB. The latest version available is 1.0.3. The last update was on December 17, 2021.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since December 2021.
Description by Kevin Power(from the App Store)
'Acceleration' is special in two ways.
First, it processes the readings from your built-in accelerometers in real time to show only horizontal acceleration.
Second, it takes data directly from your built-in accelerometers, sidestepping built-in smoothing.
Created originally to help EV drivers who were concerned that their brake lights were coming on inappropriately during regenerative braking, it can also be used to display braking and acceleration performance.
It's a small app that's easy to use. You don't have to sign-in, there aren't any ads and an internet connection isn't needed.
To use the app, set your device in one fixed place. Tap 'Calibrate' to let the app find the size and direction of gravity.
Horizontal acceleration is now displayed.
When 'Record' is tapped, for the next 13 seconds a scatter graph of calculated readings is displayed. Two green arrows let you increase or decrease the vertical scale of the graph.
By default, unsmoothed data from your accelerometers is used. Tapping the 'Smooth' button continuously averages the last last ten readings. This helps to manage results.
To help check the correct function of brake lights during regeneration, the 'Lamp' button displays a panel that changes from blue to yellow at 0.7m/s/s, and to red at 1.3m/s/s.
Upgrading will let you save your sets of data to look at later. You can also export full-sized pictures of graphs into your camera roll. However, apart from this, the free version of this app is fully functional.
This app takes raw data from the accelerometers - not the processed data provided by the operating system. When 'Calibrate' is pressed, the magnitude and direction of gravity is measured, relative to the device. The app then continues to collect data from the accelerometers, mathematically projecting it onto the plane perpendicular to the original gravity vector.
It reports the magnitude of this projected vector.
This process produces a reliable result for horizontal acceleration, whilst making you aware of jitter and sensitivity.
Each subscription will automatically renew 3 days before the expiration date for
the same time period. Subscriptions can be cancelled at any time before the renewal.
