Billings.app - switched from quickbooks since it didn't have time tracking and Billings does that and invoicing pretty well. Also, prefer it over freckle since

Billings.app - switched from quickbooks since it didn't have time tracking and Billings does that and invoicing pretty well. Also, prefer it over freckle since freckle is WAY more expensive ($40 for Billings vs $12/mo for Freckle)