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Create estimates instantly for free

Create and send your estimates in seconds. Budget estimate software to create and send your estimates, quotations, quotes or budgets in seconds. Also from Contasimple App.

With professional and customizable estimate templates. Choose the template that best fits your business image and customize it with your logo and corporate colors.

The best software for freelancers and SMEs

Estimates, invoices and delivery notes online in seconds. Billing. Accounting. CRM. Product catalog and more.

Manage your small business easily with a free and intuitive software wherever you are, from your mobile, computer or tablet.

Estimates, invoices, billing and accounting online.

Choose between different estimate templates.

Choose the estimate template that best adapts to your corporate image.

Customize your colors, design and logo. Everything to your liking.

Contasimple App: estimates maker from your mobile!

  • Create estimates, invoices, delivery notes and enter all your tickets.

  • Manage all your customers and suppliers.

  • Access all your documents from the cloud.

Available for Android and iOS. Totally free!

Estimates app maker

Would you like to try and make an estimate before registering? Discover our estimates generator:

Your online estimate for free

Create new invoice


Create your invoices in 10 seconds.
                        Use our powerful and professional templates that you can customize with your logo, corporate colors and more.
                         Complement your processes with quotes and delivery notes.

Try it for free for 30 days

Contasimple is the online billing and accounting program that allows you to save money and time to grow your business.

Register now and you will have 30 free days of the Ultimate Plan, the most complete.
Then you can move to the free Basic Plan for life.

Try for free Contasimple

Contasimple - The invoicing, accounting and taxes application on the cloud.


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