Psalm

Psalm

Jordan Labs Ltd
Coretool Psalm

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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.
Psalm:

About

Psalm is a cloud-based CRM and business management system for small businesses that quote before selling. It manages inquiries, follow-up reminders, quotations priced by size, quantity, or fixed charge, sales orders, invoices, and payments. Customers can accept quotations online; accepted quotes become orders with deposit and staged payments, then invoices without reentering line items. Psalm tracks outstanding balances and ages overdue amounts into 30-, 60-, and 90-day periods. Business logos, colors, and letterheads can be added to documents. A guided importer reads Excel and Google Sheets, and paid plans include an AI assistant that works from business records. Pricing is per company: free for one person to manage invoices, quotes, and customers, with plans at £39/month for up to 3 people, £99/month for up to 15, or £199/month for up to 50. A 14-day free trial is available without a credit card.
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
Psalm:

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
Coretool:

Audience

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

Audience

Small businesses of 1 to 50 people that quote before they sell: fabricators, kitchen and bathroom fitters, joiners, manufacturers, distributors, installers and agencies.
Coretool:

Support

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

Support

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

API

Offers API Supported
Psalm:

API

Offers API Not Supported
Coretool:

Screenshots and Videos

No images available
Psalm:

Screenshots and Videos

No images available
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
Psalm:

Pricing

£39/month
Free for one person using invoices, quotes and customers. Monthly company plans: £39 for up to 3 people, £99 for up to 15, and £199 for up to 50. Annual billing is £390, £990 and £1,990 respectively (two months free). The 14-day trial requires no card. Jordan Labs Ltd is not VAT registered, so prices include everything.
Free Version Supported
Free Trial Supported
Coretool:

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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Review this Software
Psalm:

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
Coretool:

Training

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

Training

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

Company Information

Coretool
Germany
coretool.de/en
Psalm:

Company Information

Jordan Labs Ltd
Founded: 2026
United Kingdom
psalmcrm.com
Coretool:

Alternatives

E‑Rechnungs-Studio

E‑Rechnungs-Studio

Casserus UG (haftungsbeschränkt)
Psalm:

Alternatives

Invois

Invois

EONGERRA TECH
Coretool:
Psalm:
Coretool:
Psalm:
Stubie

Stubie

LinxAI
Coretool:
xSuite

xSuite

xSuite Group
Psalm:
QuoteBuddy

QuoteBuddy

Thernness
Coretool:
Facturwise

Facturwise

Billio Software Services s.r.o.
Psalm:
Coretool:

Categories

E-Invoicing Supported
Psalm:

Categories

CRM Supported
Quoting Supported
Coretool:

Integrations

Apple Calendar Supported
Facebook Not Supported
Google Ads Not Supported
Google Calendar Supported
IndiaMART Not Supported
Justdial Not Supported
Make Supported
Microsoft Outlook Supported
WhatsApp Not Supported
Zapier Supported
n8n Supported
Psalm:

Integrations

Apple Calendar Not Supported
Facebook Supported
Google Ads Supported
Google Calendar Not Supported
IndiaMART Supported
Justdial Supported
Make Not Supported
Microsoft Outlook Not Supported
WhatsApp Supported
Zapier Not Supported
n8n Not Supported
Coretool:
Claim Coretool and update features and information
Claim Coretool and update features and information
Psalm:
Claim Psalm and update features and information
Claim Psalm and update features and information