billmatic

billmatic

ujamii GmbH
+
+

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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.

About

billmatic is cloud-based invoicing, e-invoicing, and accounting software for freelancers, agencies, founders, self-employed professionals, and small businesses in Germany. The platform helps users create quotes, invoices, ZUGFeRD e-invoices, payment reminders, and DATEV exports in one web-based workflow. billmatic includes customer management, company management, product management, incoming invoice management, invoice history, dunning management, CSV export, automated email import for incoming invoices, and API access for integrations with external systems. The software is built for businesses that want a practical alternative to complex accounting or ERP tools and need a simple way to manage billing, receivables, documents, and accounting preparation. With its API, billmatic can be connected to internal tools, custom workflows, and solutions such as PageBot for chat-based invoice creation. billmatic is developed by ujamii GmbH in Dresden, Germany.

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

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

Audience

Businesses, freelancers and sole traders in Germany that need to issue e-invoices (XRechnung, ZUGFeRD)

Audience

Freelancers, agencies, consultants, startups, self-employed professionals, service providers, and small businesses in Germany that need cloud-based invoicing, ZUGFeRD e-invoicing, payment reminders, incoming invoice management, DATEV exports, and API-based integration with existing workflows.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

No images available

Screenshots and Videos

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

Pricing

$10/month
billmatic offers five monthly plans. All prices are excluding VAT. Users can switch plans at any time, and annual billing saves 20%.

Standard Package – €10/month: Includes the core features for customer management, invoice creation, and company management.

Starter Package – €10/month: Includes customer management, invoices, quotes, dunning management, and company management. Designed for users who need simple invoicing plus quotes and reminders.

Controlling Package – €10/month: Includes customer management, invoices, company management, CSV export, and trial balance reporting for basic controlling and accounting overview.

Business Package – €15/month: Includes customer management, invoices, quotes, dunning management, company management, product management, and automated email import for incoming invoices.

All-in-One Package – €20/month: Includes all available modules, including subscriptions, customer management, invoices, product management, automated email import, CSV export, trial balance, incoming invoices and vendors, dunning management, quotes, and company management.
Free Version Not Supported
Free Trial Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Not Supported
Webinars Not Supported
Live Online Supported
In Person Supported

Company Information

Coretool
Germany
coretool.de/en

Company Information

ujamii GmbH
Founded: 2014
Germany
billmatic.de

Alternatives

E‑Rechnungs-Studio

E‑Rechnungs-Studio

Casserus UG (haftungsbeschränkt)

Alternatives

Billino

Billino

Billino (ZITA CH Single Member Private Company)
E‑Rechnungs-Studio

E‑Rechnungs-Studio

Casserus UG (haftungsbeschränkt)
xSuite

xSuite

xSuite Group
Facturwise

Facturwise

Billio Software Services s.r.o.
Facturwise

Facturwise

Billio Software Services s.r.o.

Categories

E-Invoicing Supported

Categories

Billing and Invoicing Features

Billing Portal Supported
Contact Database Supported
Contingency Billing Not Supported
Customer Portal Not Supported
Customizable Invoices Supported
Dunning Management Supported
Hourly Billing Not Supported
Invoice History Supported
Mobile Payments Not Supported
Multi-Currency Not Supported
Online Invoicing Supported
Online Payments Not Supported
Payment Processing Not Supported
Project Billing Not Supported
Recurring/Subscription Billing Supported
Service Ticket Billing Not Supported
Tax Calculator Not Supported

Integrations

Apple Calendar Supported
Google Calendar Supported
Make Supported
Microsoft Outlook Supported
Zapier Supported
n8n Supported

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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