The period from development to cutover

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The average cost for an entire web application varies from about 10 million yen to 80 million yen, but this amount can be said to be on the low end. The more features you implement, the more expensive it becomes. However, most of the development costs are personnel costs. Here, we will first check the labor costs involved in development, and then look at other costs. Development costs are determined by "man-month x person-month unit price x development period" In app development, it is common to calculate development costs (labor costs) primarily in units of "person-months" that represent the amount of work.

For example, if three development staff are required to develop an app for one month, the expression "3 man-months" would be used. This expression "〇man-months" is often used in estimates and invoices for app development. ・Man-month: The number Special Data of people needed for one month of development, such as system engineers and programmers. ・Person-month unit price: The unit price when one person works for one month.




Development period: (application release) Application development progresses by combining the above three elements. In other words, the development cost for app development is determined by "man-month x person-month unit price x development period". As an example, if 3 development staff are required for a 3-month development period and the unit price is 1 million yen, "3 people x 1 million yen x 3 months = 9 million yen". Personnel costs can be calculated as 9 million yen. This time, we set a flat unit price to make it easy to understand, but in reality, it depends on the skills of the people involved in the project, such as senior engineers, new programmers, web designers who specialize in web design since it is a web application, and web directors who are administrators.