Invoice2go has been the best system for me I do lawn mowing and general handyman work and it saves me time invoicing clients . Most of my clients are regular clients there details are all ready saved in this program and that makes it makes it easy and quick to do the invoice and having products and hourly rate saved in this program helps a lot also . the best thing is if yon need to backtrack all your invoices on all your devices you can find them easy there and so are all of your charges you made to all your clients over the years in which makes this easy at tax time . Thank you invoice 2go