Cost Off-the-shelf software is cheaper than custom written software. Bugs Usually custom written software got more problems than off-the-shelf software. These include off-the-shelf software, custom written software (sometimes called ‘bespoke’ software), open source software and proprietary software. The phrase ‘off-the-shelf’ simply refers to software that you can go out and buy, take home, install and then use immediately. For the purposes of the GCSE Computing course, however, it is best to keep a clear distinction between open source software and free software. The opposite of custom software is off-the-shelf software, also known as pre-packaged or pre-written software. One major difference between custom and non-custom software is that with pre-written software, you do not technically own the software – you are paying for the right to use the software (a license), and the amount of money you pay usually increases with the number of users.
The most superficial difference between our two options is price. Pre-made solutions are typically less expensive to integrate out of the gate, but custom solutions Off-the-Shelf: A Case Study. IVendor had submitted a bid with a price range between 55,000 and 100,000. Custom software will typically take months to develop. Given the cost in time and money, custom software generally does not provide the return on investment to justify the investment. The second one is custom software development solutions that are generally built as per the specific client requirement. Following are some most relevant differences between Off the Shelf solutions and custom software development:.