OpenWhistle vs Whispero

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

At a glance

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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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

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Full facts, side by side

Full facts, side by side: OpenWhistle and Whispero
Attribute	OpenWhistle	Whispero
Headquarters	Porto, Portugal	Prague, Czechia
Ownership	Private, brand of Canelinfinita, Unipessoal Lda (Portugal, NIPC 518494128)	Private, Parhesys s.r.o. (Czech IČO 09903534)
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.	BASIC from 490 CZK/month; STANDARD from 990 CZK/month; PREMIUM from 2,490 CZK/month.
Pricing model	Flat published rate	Tiered (per employee)
Procurement model	Demo required	Self-serve sign-up
Free trial	No	✓ Yes
EU data hosting	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 (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	Partial	Undisclosed
Total reporting languages	90	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 OpenWhistle and Whispero differ

Both OpenWhistle and Whispero can host whistleblower report data inside the EU. OpenWhistle 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 OpenWhistle routes buyers through a demo or sales process. Whispero processes report content with AI, while OpenWhistle 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.

OpenWhistle vs Whispero: common questions

Does OpenWhistle or Whispero host whistleblower data in the EU?

Both OpenWhistle and Whispero can host whistleblower report data inside the EU.

How many EU member states do OpenWhistle and Whispero cover?

OpenWhistle references 1 of the 27 EU member states and Whispero references 1.

Is OpenWhistle or Whispero ISO 27001 certified?

Neither lists an ISO 27001 certification.

How do OpenWhistle and Whispero pricing and sign-up compare?

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.. 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 OpenWhistle routes buyers through a demo or sales process.

Do OpenWhistle or Whispero use AI on whistleblower reports?

Whispero processes report content with AI, while OpenWhistle does not.

Another option in this directory

OpenWhistle 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

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Compare this tool against other platforms in the directory.

See all alternatives to OpenWhistle → See all alternatives to Whispero → Compare all platforms