Double Voice vs Whispero

Side-by-side facts for Double Voice and Whispero, 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

View full profile → See all alternatives to Double Voice →

Whispero

Czech whistleblowing channel from Parhesys s.r.o. combining reporting software with legal support, priced from 490 CZK per month.

Headquarters: Prague, Czechia
Pricing: BASIC from 490 CZK/month; STANDARD from 990 CZK/month; PREMIUM from 2,490 CZK/month.
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

View full profile → See all alternatives to Whispero →

Full facts, side by side

Full facts, side by side: Double Voice and Whispero
Attribute	Double Voice	Whispero
Headquarters	Caldas da Rainha, Portugal	Prague, Czechia
Ownership	Private, Momentapproach Unipessoal, Lda., trading as Double Shore (Caldas da Rainha, Portugal)	Private, Parhesys s.r.o. (Czech IČO 09903534)
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.	BASIC from 490 CZK/month; STANDARD from 990 CZK/month; PREMIUM from 2,490 CZK/month.
Pricing model	Tiered (per employee)	Tiered (per employee)
Procurement model	Demo required	Self-serve sign-up
Free trial	No	✓ Yes
EU data hosting	Not disclosed	EU (named data centre) Data stated to remain within the EU (vendor-stated); provider and country not disclosed on public pages reviewed
EU member states referenced	1 of 27	1 of 27
EU reporting languages	Undisclosed	Undisclosed
Total reporting languages	Undisclosed	Undisclosed
AI on report content	No AI processing of report content	Processes report content with AI / translation
Certifications	None published	None published
National laws referenced	EU Directive 2019/1937 Portugal (Lei 93/2021)	EU Directive 2019/1937 Czechia (Act No. 171/2023 Coll., zákon o ochraně oznamovatelů)
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 Whispero differ

Whispero 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 Whispero references 1. Neither lists an ISO 27001 certification. Whispero offers self-serve sign-up, whereas Double Voice routes buyers through a demo or sales process. Whispero processes report content with AI, while Double Voice 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.

Double Voice vs Whispero: common questions

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

Whispero 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 Whispero cover?

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

Is Double Voice or Whispero ISO 27001 certified?

Neither lists an ISO 27001 certification.

How do Double Voice and Whispero 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.. Whispero is priced at BASIC from 490 CZK/month; STANDARD from 990 CZK/month; PREMIUM from 2,490 CZK/month.. Whispero offers self-serve sign-up, whereas Double Voice routes buyers through a demo or sales process.

Do Double Voice or Whispero use AI on whistleblower reports?

Whispero processes report content with AI, while Double Voice does not.

Another option in this directory

Double Voice and Whispero 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

View full profile →

Compare this tool against other platforms in the directory.

See all alternatives to Double Voice → See all alternatives to Whispero → Compare all platforms