CLUE#ZO vs Qnister Whistle

Side-by-side facts for CLUE#ZO and Qnister Whistle, sourced from vendor-published materials. Both platforms market themselves for EU Directive 2019/1937 compliance.

At a glance

CLUE#ZO

German digital whistleblowing system from CAS Concepts and Solutions AG, delivered on SAP Business Technology Platform with integration to SAP S/4HANA and chatbot-guided report intake.

Headquarters: Hamburg, Germany
Pricing: Basic EUR 99/month (12 reports/year, 3 users); Standard EUR 299/month (50 reports/year, 6 users); Enterprise EUR 1,499/month (unlimited reports, 15 users). Prices are ex-VAT.
EU data hosting: EU (named data centre)
EU member states referenced: 1 of 27
Certifications: None published
AI on report content: Processes report content with AI / translation

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Qnister Whistle

Swedish whistleblowing service with published SEK tier pricing (Swedish market), ISO 27001 certification, Swedish servers, and an optional external-lawyer receiver function.

Headquarters: Sweden (Jönköping)
Pricing: Swedish-market pricing: 695 SEK/month for 0-99 employees, 895 SEK/month for 100-249 employees, 1,295 SEK/month for 250-999 employees; 1,000+ quote-based.
EU data hosting: EU (named data centre)
EU member states referenced: 1 of 27
Certifications: ISO 27001
AI on report content: No AI processing of report content

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Full facts, side by side

Full facts, side by side: CLUE#ZO and Qnister Whistle
Attribute	CLUE#ZO	Qnister Whistle
Headquarters	Hamburg, Germany	Sweden (Jönköping)
Ownership	Private, CAS Concepts and Solutions AG (Hamburg, Commercial Register HRB 69127)	Qnister AB
Pricing	Basic EUR 99/month (12 reports/year, 3 users); Standard EUR 299/month (50 reports/year, 6 users); Enterprise EUR 1,499/month (unlimited reports, 15 users). Prices are ex-VAT.	Swedish-market pricing: 695 SEK/month for 0-99 employees, 895 SEK/month for 100-249 employees, 1,295 SEK/month for 250-999 employees; 1,000+ quote-based.
Pricing model	Tiered (per employee)	Tiered (per employee)
Procurement model	Mixed	Demo required
Free trial	No	No
EU data hosting	EU (named data centre) European data centres (vendor states ISO 27001 certified data centres); built on SAP Business Technology Platform	EU (named data centre)
EU member states referenced	1 of 27	1 of 27
EU reporting languages	Undisclosed	Undisclosed
Total reporting languages	Undisclosed	Undisclosed
AI on report content	Processes report content with AI / translation	No AI processing of report content
Certifications	None published	ISO 27001
National laws referenced	EU Directive 2019/1937 Germany (Hinweisgeberschutzgesetz, HinSchG)	Sweden (Lag om skydd för personer som rapporterar om missförhållanden) EU Directive 2019/1937
Anonymous reporting	✓	✓
Case management	✓	✓
Multi-channel intake	—	✓
Public API	—	—
GDPR (vendor claim)	✓	✓
EU Directive 2019/1937 (vendor claim)	✓	✓
Last verified	19 July 2026	24 May 2026

How CLUE#ZO and Qnister Whistle differ

Both CLUE#ZO and Qnister Whistle can host whistleblower report data inside the EU. CLUE#ZO references 1 of the 27 EU member states and Qnister Whistle references 1. Qnister Whistle lists ISO 27001 certification; CLUE#ZO does not. Both route buyers through a demo or sales process rather than self-serve sign-up. CLUE#ZO processes report content with AI, while Qnister Whistle does not. Both market themselves for EU Directive 2019/1937 compliance, so the better fit depends on your priorities around data residency, certification, pricing transparency, and use of AI.

CLUE#ZO vs Qnister Whistle: common questions

Does CLUE#ZO or Qnister Whistle host whistleblower data in the EU?

Both CLUE#ZO and Qnister Whistle can host whistleblower report data inside the EU.

How many EU member states do CLUE#ZO and Qnister Whistle cover?

CLUE#ZO references 1 of the 27 EU member states and Qnister Whistle references 1.

Is CLUE#ZO or Qnister Whistle ISO 27001 certified?

Qnister Whistle lists ISO 27001 certification; CLUE#ZO does not.

How do CLUE#ZO and Qnister Whistle pricing and sign-up compare?

CLUE#ZO is priced at Basic EUR 99/month (12 reports/year, 3 users); Standard EUR 299/month (50 reports/year, 6 users); Enterprise EUR 1,499/month (unlimited reports, 15 users). Prices are ex-VAT.. Qnister Whistle is priced at Swedish-market pricing: 695 SEK/month for 0-99 employees, 895 SEK/month for 100-249 employees, 1,295 SEK/month for 250-999 employees; 1,000+ quote-based.. Both route buyers through a demo or sales process rather than self-serve sign-up.

Do CLUE#ZO or Qnister Whistle use AI on whistleblower reports?

CLUE#ZO processes report content with AI, while Qnister Whistle does not.

Another option in this directory

CLUE#ZO and Qnister Whistle are two of the platforms indexed here. If your shortlist is still open, one more worth comparing — with a different set of tradeoffs:

EthicsPortal

Whistleblower reporting portal hosted on Hetzner in Germany. Flat €60/month plan.

Headquarters: Poland
Pricing: €60/month, or €41.67/month billed annually (€500/year)
EU data hosting: EU (named data centre)
EU member states referenced: All 27
Certifications: ISO 27001
AI on report content: No AI processing of report content

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Compare this tool against other platforms in the directory.

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