The aim of the application is to supply quick and easy construction and building estimating tool allowing the user to prepare professional estimation in front of a customer. IBBestimator works in EIY formula - Estimate It Yourself - allowing to use IBB's proposal to estimate specific building works, materials and labour costs etc. Application is FREE and allows to make estimations without registering. Extended versions also do not require registering and user can use them for FREE By registering an account with us as an option, user can add some additional features as described below: - Free registered - same as FREE version but by registering we can recognize user and allow him to add his own name, logo and save estimates; - PayAsYouGo7days subscription - all of the above plus this version also allows to manage rates and overheads individually as user is recognised. We also give additional benefit of 30% discount for purchasing building materials with us, - PRO version subscription - all of the above plus as additional benefit of 40% discount for purchasing building materials with us; To make application more attractive we added some features: Builders database - users can search contractors by address, postcode, name or activity. All registered builders have a chance to be searchable after selecting this option. Searching is FREE for all application users. Optionally they can decide to Register to be able to use some more features like notes or save option. Buy materials - allows direct ordering of building materials offered by IBB nationwide. Selfie with IBB - it’s just a fun option for promoting IBB trade name. Available for all users without registering. Everyone who wants to participate in monthly Prize money draws is welcome to register and enter the event.