You can easily create estimates in Akounto with following steps:
・Click on Sales → Estimates → create new estimate
・Select a customer
・Select estimate and expiry date
・Add item, quantity, price, discount and tax
・Click 'Save'
Your estimate is created within minutes. You can send it to your customer for approval without having to login to your email separately. Your customer can simply click on 'Approve link' received in their email inbox.