Car Performance Log - Google Play

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About Car Performance Log

Car Log is a uniquely designed, easy to use app to monitor energy efficiency and performance in personal cars. App helps to keep track of all operation and maintenance cost and generates performance indices that can be...

Car Log is a uniquely designed, easy to use app to monitor energy efficiency and performance in personal cars. App helps to keep track of all operation and maintenance cost and generates performance indices that can be used for different economic analyses. Break-even is one such analysis where one can use it for determining different options for replacing the existing car. A car may be uneconomical to operate under higher usage rate still be economical under low usage rate and vice verse.

Car Info:
Users can quickly setup up to three cars with all basic information on make, model, vehicle identification number, purchase cost, insurance and initial odometer reading. One can specify the local currency and odometer reading in mile or Kilometer. These default values are chosen automatically in different log sheets and analysis report.

Once set up, one can quickly access individual screen for gas log, service log and log summary sheets from the pop up menu. Alert menu is displayed every time click or touch the respective car icon in the home screen. A short description of each of this menu item with screen shots is given below.

Gas Log:
Users can enter the data on site as the fueling is done. It would take only a few seconds to enter the following data.

1.Type of fuel (unleaded/premium/Diesel)
2.Quantity filled in Gal/liters (It is important to fill until dispenser quits filling)
3.Cost (Amount paid in local currency)
4.Odometer reading (As you restart the engine).

Append this data in to your log sheet and it would instantly provide you the average mpg and other metrics as shown in the screen shot. One can also review all records in a separate scroll view.

Service Log:
Record all periodic maintenance including oil/filter change as per the data sheet. Code number for major service categories has been provided for convenience that auto-fill the service category. One can easily enter all the data required using dealer's invoice. One can also review all previous records separately in a scroll view.

Log Summary
This section provides you with over all efficiency indices and associated costs. Service costs are summarized under three different bar charts as follows. One can switch between these charts simply by tapping on the image of the car.

1.Service Item Cost
2.Yearly Service Cost
3. Cumulative Service Cost

Screen shot on service item cost is shown for the 2009 Toyota Corolla as an example.

Help screen is provided for descriptions and notes on different terms used in the log summary. It also contains explanation on how to interpret mpg distribution and causes of variations, tips on break-even analysis.

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Previous Versions

Here you can find the changelog of Car Performance Log since it was posted on our website on 2016-12-22 13:39:05. The latest version is and it was updated on 2026-06-12 21:47:52. See below the changes in each version.

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