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Related Products
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Ah&Oh:
About
Ah&Oh helps small teams manage ERP, online shop, CMS with application builder, task manager and POS on one shared data set, so orders, invoices and products are recorded once. Workspaces share a common knowledge base. Robin, the AI agent, handles routine tasks such as creating products from PDF or CSV files, preparing quotes, and coordinating fulfillment from stock checks to shipping labels and invoices. Robin works within the user's permissions, with human approval. ERP features include ZUGFeRD e-invoicing, a DATEV connection, a REST API and Model Context Protocol (MCP). The cloud service is hosted in Germany. The One plan includes the full ERP for €1 per month, and pricing is usage-based rather than based on users or revenue.
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Coretool:
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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Ah&Oh:
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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Coretool:
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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Ah&Oh:
Audience
Small teams of 3 to 50 people in retail, e-commerce, re-commerce and services
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Coretool:
Audience
Businesses, freelancers and sole traders in Germany that need to issue e-invoices (XRechnung, ZUGFeRD)
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Ah&Oh:
Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Coretool:
Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Ah&Oh:
API
Offers API
Supported
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Coretool:
API
Offers API
Supported
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Ah&Oh:
Screenshots and VideosNo images available
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Coretool:
Screenshots and VideosNo images available
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Ah&Oh:
Pricing
€1/month
The One plan includes the full ERP for €1 per month and 100 credits. Pricing is usage-based and is not based on user count or revenue. No trial period is offered.
Free Version
Not Supported
Free Trial
Not Supported
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Coretool:
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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Ah&Oh:
Reviews/
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Coretool:
Reviews/
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Ah&Oh:
Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Supported
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Coretool:
Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Ah&Oh:
Company InformationAh&Oh
Founded: 2014
Germany
ah-oh.de
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Coretool:
Company InformationCoretool
Germany
coretool.de/en
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Ah&Oh:
AlternativesNo Alternatives
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Coretool:
Alternatives |
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Coretool:
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Coretool:
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Ah&Oh:
Categories |
Coretool:
Categories |
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Ah&Oh:
Integrations
3CX
Supported
Apple Calendar
Not Supported
DATEV
Supported
Google Calendar
Not Supported
Google Shopping
Supported
Make
Not Supported
Microsoft Outlook
Not Supported
Model Context Protocol (MCP)
Supported
Zapier
Not Supported
finAPI
Supported
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Coretool:
Integrations
3CX
Not Supported
Apple Calendar
Supported
DATEV
Not Supported
Google Calendar
Supported
Google Shopping
Not Supported
Make
Supported
Microsoft Outlook
Supported
Model Context Protocol (MCP)
Not Supported
Zapier
Supported
finAPI
Not Supported
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Ah&Oh:
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Coretool:
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