Double Voice vs OpenWhistle

Side-by-side facts for Double Voice and OpenWhistle, sourced from vendor-published materials. Both platforms market themselves for EU Directive 2019/1937 compliance.

At a glance

Double Voice

Portuguese whistleblowing channel from Momentapproach Unipessoal, Lda. (Double Shore), built around Portugal's Lei 93/2021 with published annual pricing from EUR 500/year.

Headquarters: Caldas da Rainha, Portugal
Pricing: Starter EUR 500/year (up to 100 employees); Growth EUR 650/year (up to 250); Business EUR 900/year (up to 500); Enterprise EUR 1,200/year (up to 1,000); Corporate EUR 1,900/year (1,000+). Prices exclude 23% VAT.
EU data hosting: Not disclosed
EU member states referenced: 1 of 27
Certifications: None published
AI on report content: No AI processing of report content

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OpenWhistle

Portuguese whistleblowing channel with flat per-organisation pricing and unlimited users, published from EUR 17.60/month on annual billing.

Headquarters: Porto, Portugal
Pricing: Single plan: EUR 22/month, or EUR 17.60/month billed annually (EUR 211.20/year, described as 20% saving). VAT added on top. Price is per organisation with unlimited users.
EU data hosting: EU (named data centre)
EU member states referenced: 1 of 27
Certifications: None published
AI on report content: No AI processing of report content

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Full facts, side by side

Full facts, side by side: Double Voice and OpenWhistle
Attribute	Double Voice	OpenWhistle
Headquarters	Caldas da Rainha, Portugal	Porto, Portugal
Ownership	Private, Momentapproach Unipessoal, Lda., trading as Double Shore (Caldas da Rainha, Portugal)	Private, brand of Canelinfinita, Unipessoal Lda (Portugal, NIPC 518494128)
Pricing	Starter EUR 500/year (up to 100 employees); Growth EUR 650/year (up to 250); Business EUR 900/year (up to 500); Enterprise EUR 1,200/year (up to 1,000); Corporate EUR 1,900/year (1,000+). Prices exclude 23% VAT.	Single plan: EUR 22/month, or EUR 17.60/month billed annually (EUR 211.20/year, described as 20% saving). VAT added on top. Price is per organisation with unlimited users.
Pricing model	Tiered (per employee)	Flat published rate
Procurement model	Demo required	Demo required
Free trial	No	No
EU data hosting	Not disclosed	EU (named data centre) Vendor states data is stored within the European Union; specific country and provider not named. Privacy policy notes data may be transferred to cloud providers outside the EEA under GDPR safeguards.
EU member states referenced	1 of 27	1 of 27
EU reporting languages	Undisclosed	Partial
Total reporting languages	Undisclosed	90
AI on report content	No AI processing of report content	No AI processing of report content
Certifications	None published	None published
National laws referenced	EU Directive 2019/1937 Portugal (Lei 93/2021)	EU Directive 2019/1937 Portugal (Lei 93/2021)
Anonymous reporting	✓	✓
Case management	✓	✓
Multi-channel intake	—	—
Public API	—	—
GDPR (vendor claim)	✓	✓
EU Directive 2019/1937 (vendor claim)	✓	✓
Last verified	19 July 2026	19 July 2026

How Double Voice and OpenWhistle differ

OpenWhistle can host report data inside the EU, while Double Voice does not publish an EU hosting option. Double Voice references 1 of the 27 EU member states and OpenWhistle references 1. Neither lists an ISO 27001 certification. Both route buyers through a demo or sales process rather than self-serve sign-up. Neither processes report content with AI. 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.

Double Voice vs OpenWhistle: common questions

Does Double Voice or OpenWhistle host whistleblower data in the EU?

OpenWhistle can host report data inside the EU, while Double Voice does not publish an EU hosting option.

How many EU member states do Double Voice and OpenWhistle cover?

Double Voice references 1 of the 27 EU member states and OpenWhistle references 1.

Is Double Voice or OpenWhistle ISO 27001 certified?

Neither lists an ISO 27001 certification.

How do Double Voice and OpenWhistle pricing and sign-up compare?

Double Voice is priced at Starter EUR 500/year (up to 100 employees); Growth EUR 650/year (up to 250); Business EUR 900/year (up to 500); Enterprise EUR 1,200/year (up to 1,000); Corporate EUR 1,900/year (1,000+). Prices exclude 23% VAT.. OpenWhistle is priced at Single plan: EUR 22/month, or EUR 17.60/month billed annually (EUR 211.20/year, described as 20% saving). VAT added on top. Price is per organisation with unlimited users.. Both route buyers through a demo or sales process rather than self-serve sign-up.

Do Double Voice or OpenWhistle use AI on whistleblower reports?

Neither processes report content with AI.

Another option in this directory

Double Voice and OpenWhistle 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 Double Voice → See all alternatives to OpenWhistle → Compare all platforms