• How secure is Sleek Bill Online?
  • We take your data’s security very seriously, so we use strict security encryption and industry standard for transmitting data safely over the internet. Your data is yours only and we never touch is without your explicit permission.
  • Who’s it for?
  • Super Invoice Book has been designed to work best for small and medium businesses, accountants that work within a company or with multiple clients and freelancers.
  • Does it work on Mac, PC or mobile devices?
  • Yes! Because super invoice Book is web-based, Android App, iOS App you can access it on any system you want with just one account. Whether you’re in office, at home or on the go, For web just log in on superinvoicebook.com and access all your data.
  • Do I need a credit card to sign up or Download?
  • Absolutely not! It’s free to download form App Store as well as sign up. you don’t have to put in your card data. After your free trial ends, So all you’ll need a card only if you want to buy subscription Plan.

  • Are updates free?
  • You bet! You get free updates every time we change something in our app, even any big changes
  • What happens if my license expires?
  • When your license expires, you’ll still be able to access all of your data on SIB. Your account will be downgraded to a Free account (limited features) and you can upgrade back to premium whenever you want. You never lose your data.
  • Who’s there if I need help?
  • Our support team strives to solve all your problems in less than 24 h.  Just send us mail support@superinvoicebook.com
  • For how many companies can I use my license?
  • Your license is directly related to your Company Name, so you can only use it for one company. If you wish to use SIB for multiple companies, you have to buy a license for each of them. Contact us to get the best prices for your 2nd or 3rd licenses.
  • How can I buy Sleek Bill Online?
  • Prices are available on website as well as mobile. We regularly announce discounts as well.

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