Web Applications are programs (software) that are accessed via web over a network (internet or intranet). They are usually coded to automate certain tasks of your business (mostly, the time consuming ones).

Why Would You Need a Web Application?
Web Applications can help you grow and keep track of your business.

1. Travel A Lot? By having the right Web Application, you can manage your business whenever you want from anywhere in the world - all what you'd need is internet access.
2. Cannot afford extra employment? If you have a task or more that you feel can be handled by extra employee but you cannot afford that at the moment, then a customized Web Application is your best bet. You can have as many application as you need to handle your online business for you. For example, personalized payment auto reminders or even accountant applications.
3. Dealing with minor daily, time consuming tasks? You can easily increase your efficiency by automating these tasks. Once you do so, you will have more time in your hands to work on growing your business and taking it to the next levels - hence, more revenue in the near future.