CLUE#ZO vs iBlow

Side-by-side facts for CLUE#ZO and iBlow, 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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iBlow

Portuguese whistleblowing platform built around Law 93/2021. Four tiers scaled by collaborator count; all quote-based.

Headquarters: Lisbon, Portugal
Pricing: Not published — all four tiers (Base, Value, Elite, Premium) quote-based. Tiers scale by collaborator count: 0–249, 250–499, 500–999, 1,000+.
EU data hosting: Not disclosed
EU member states referenced: 1 of 27
Certifications: None published
AI on report content: Undisclosed

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Full facts, side by side

Full facts, side by side: CLUE#ZO and iBlow
Attribute	CLUE#ZO	iBlow
Headquarters	Hamburg, Germany	Lisbon, Portugal
Ownership	Private, CAS Concepts and Solutions AG (Hamburg, Commercial Register HRB 69127)	Contemporary Constellation Lda
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.	Not published — all four tiers (Base, Value, Elite, Premium) quote-based. Tiers scale by collaborator count: 0–249, 250–499, 500–999, 1,000+.
Pricing model	Tiered (per employee)	Quote only
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	Not disclosed Not disclosed on public pages reviewed; current privacy policy does not name a hosting provider
EU member states referenced	1 of 27	1 of 27
EU reporting languages	Undisclosed	4 of 24
Total reporting languages	Undisclosed	4
AI on report content	Processes report content with AI / translation	Undisclosed
Certifications	None published	None published
National laws referenced	EU Directive 2019/1937 Germany (Hinweisgeberschutzgesetz, HinSchG)	Portugal (Law 93/2021) 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 iBlow differ

CLUE#ZO can host report data inside the EU, while iBlow does not publish an EU hosting option. CLUE#ZO references 1 of the 27 EU member states and iBlow references 1. Neither lists an ISO 27001 certification. Both route buyers through a demo or sales process rather than self-serve sign-up. Both process report content with AI or automated translation. 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 iBlow: common questions

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

CLUE#ZO can host report data inside the EU, while iBlow does not publish an EU hosting option.

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

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

Is CLUE#ZO or iBlow ISO 27001 certified?

Neither lists an ISO 27001 certification.

How do CLUE#ZO and iBlow 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.. iBlow is priced at Not published — all four tiers (Base, Value, Elite, Premium) quote-based. Tiers scale by collaborator count: 0–249, 250–499, 500–999, 1,000+.. Both route buyers through a demo or sales process rather than self-serve sign-up.

Do CLUE#ZO or iBlow use AI on whistleblower reports?

Both process report content with AI or automated translation.

Another option in this directory

CLUE#ZO and iBlow 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.

See all alternatives to CLUE#ZO → See all alternatives to iBlow → Compare all platforms