InvoxoSektor Technologies OÜ
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Related Products
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About
Coretool is a browser-based invoicing application for German businesses, freelancers, sole traders, tradespeople, and small service businesses. Users can create and manage quotes and invoices, including XRechnung and ZUGFeRD e-invoices, track customers, send payment reminders, and organize appointments. The app supports GiroCode QR codes, digital quote signatures, and validation of e-invoice documents through its REST API. API-based workflows can connect with automation tools such as Make, Zapier, and n8n; availability of some platform-specific modules may depend on approval. Calendar feeds can be added to Google, Apple, or Outlook calendars. The optional Kalkulations-Assistent supports project estimates, material and labor calculations, and quote creation. Coretool runs in a web browser without local installation. Its free plan allows three invoices per month; Solo costs €9/month plus VAT and can be canceled monthly.
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About
Invoxo is a professional invoicing platform for EU-based service businesses that invoice across borders. While generic invoicing tools leave VAT to the user, Invoxo automatically determines the correct tax treatment for every invoice — domestic, reverse charge, or OSS — with integrated VIES VAT number validation.
Built for consultants, freelancers, agencies, and digital service providers operating across EU member states.
Features include: automatic reverse charge detection for B2B cross-border transactions, destination country VAT for OSS digital services, multi-currency invoicing, products and services catalog, recurring invoicing, automated payment reminders, credit notes, immutable audit-ready tax records, and PDF export. EN 16931 compliant structured e-invoices available on the Business plan.
14-day free trial with full access on all plans.
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Businesses, freelancers and sole traders in Germany that need to issue e-invoices (XRechnung, ZUGFeRD)
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Audience
EU-based freelancers, consultants, agencies, and digital service providers who invoice clients across multiple EU countries
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Not Supported
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Screenshots and VideosNo images available
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Screenshots and Videos |
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Pricing
€0/month
The free plan includes up to 3 invoices per month. Solo costs €9/month plus applicable VAT and can be canceled monthly.
Free Version
Supported
Free Trial
Not Supported
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Pricing
€19/month
Free Version
Not Supported
Free Trial
Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationCoretool
Germany
coretool.de/en
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Company InformationSektor Technologies OÜ
Founded: 2026
Estonia
invoxo.eu
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Categories |
Categories |
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Billing and Invoicing Features
Billing Portal
Not Supported
Contact Database
Not Supported
Contingency Billing
Not Supported
Customer Portal
Not Supported
Customizable Invoices
Supported
Dunning Management
Not Supported
Hourly Billing
Not Supported
Invoice History
Not Supported
Mobile Payments
Not Supported
Multi-Currency
Supported
Online Invoicing
Supported
Online Payments
Not Supported
Payment Processing
Not Supported
Project Billing
Not Supported
Recurring/Subscription Billing
Not Supported
Service Ticket Billing
Not Supported
Tax Calculator
Not Supported
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Integrations
Apple Calendar
Supported
Google Calendar
Supported
Make
Supported
Microsoft Outlook
Supported
Zapier
Supported
n8n
Supported
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Integrations
Apple Calendar
Not Supported
Google Calendar
Not Supported
Make
Not Supported
Microsoft Outlook
Not Supported
Zapier
Not Supported
n8n
Not Supported
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