Two templates

I’m starting an extra businessactivity. I currently have Invoiceninja Pro with an invoice with my current businessactivity. The logo and website name are different for those two activities.

Is it possible to have a custom invoice in one Invoiceninja account? Maybe with Invoiceninja Enterprise?

Or do I really need two invoiceninja accounts for this?

I’d suggest creating a new company, you can have up to 5 companies under a single account.

Click your name in the top right, then ‘Add Company’ and then 'New Company. Note: each company needs it’s own unique email address. Alternatively, you can use aliases. ie,

Great, will it work also with the Formidable Pro Zapier Zap?

It should, you’d need to create separate API tokens for each company.