Whispero vs whistly

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

At a glance

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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whistly

Berlin-based whistleblowing channel from whistly digital GmbH, positioned for German HinSchG and supply-chain (LkSG) compliance, from EUR 59 per month regardless of headcount.

Headquarters: Berlin, Germany
Pricing: Two published packages: Essential EUR 59/month and Pro EUR 99/month, charged regardless of employee count.
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: Whispero and whistly
Attribute	Whispero	whistly
Headquarters	Prague, Czechia	Berlin, Germany
Ownership	Private, Parhesys s.r.o. (Czech IČO 09903534)	Private, whistly digital GmbH (District Court of Charlottenburg, Berlin, HRB 249593 B)
Customers (vendor claim)	Undisclosed	100+ to 500+ organizations (vendor claims vary by page: 100+ on the LkSG page, over 200 on the about page, 500+ on the vendor blog)
Pricing	BASIC from 490 CZK/month; STANDARD from 990 CZK/month; PREMIUM from 2,490 CZK/month.	Two published packages: Essential EUR 59/month and Pro EUR 99/month, charged regardless of employee count.
Pricing model	Tiered (per employee)	Flat published rate
Procurement model	Self-serve sign-up	Self-serve sign-up
Free trial	✓ Yes	✓ Yes
EU data hosting	EU (named data centre) Data stated to remain within the EU (vendor-stated); provider and country not disclosed on public pages reviewed	EU (named data centre) ISO 27001 certified servers in Germany (hosting-provider certification, provider not named; vendor-stated)
EU member states referenced	1 of 27	1 of 27
EU reporting languages	Undisclosed	Partial
Total reporting languages	Undisclosed	5
AI on report content	Processes report content with AI / translation	No AI processing of report content
Certifications	None published	None published
National laws referenced	EU Directive 2019/1937 Czechia (Act No. 171/2023 Coll., zákon o ochraně oznamovatelů)	EU Directive 2019/1937 Germany (Hinweisgeberschutzgesetz, HinSchG) Germany (Lieferkettensorgfaltspflichtengesetz, LkSG)
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 Whispero and whistly differ

Both Whispero and whistly can host whistleblower report data inside the EU. Whispero references 1 of the 27 EU member states and whistly references 1. Neither lists an ISO 27001 certification. Both offer self-serve sign-up without a mandatory sales call. Whispero processes report content with AI, while whistly 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.

Whispero vs whistly: common questions

Does Whispero or whistly host whistleblower data in the EU?

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

How many EU member states do Whispero and whistly cover?

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

Is Whispero or whistly ISO 27001 certified?

Neither lists an ISO 27001 certification.

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

Whispero is priced at BASIC from 490 CZK/month; STANDARD from 990 CZK/month; PREMIUM from 2,490 CZK/month.. whistly is priced at Two published packages: Essential EUR 59/month and Pro EUR 99/month, charged regardless of employee count.. Both offer self-serve sign-up without a mandatory sales call.

Do Whispero or whistly use AI on whistleblower reports?

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

Another option in this directory

Whispero and whistly 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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