OpenWhistle vs SygnaApp

Side-by-side facts for OpenWhistle and SygnaApp, 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

View full profile → See all alternatives to OpenWhistle →

SygnaApp

Polish whistleblower platform with public annual tiers and a Polish data-centre claim.

Headquarters: Poland
Pricing: Annual billing in PLN. Standard 3,600 zł/year, Multi 5,900 zł/year, Premium 7,950 zł/year. Demo access is offered separately.
EU data hosting: EU (named data centre)
EU member states referenced: 1 of 27
Certifications: None published
AI on report content: Undisclosed

View full profile → See all alternatives to SygnaApp →

Full facts, side by side

Full facts, side by side: OpenWhistle and SygnaApp
Attribute	OpenWhistle	SygnaApp
Headquarters	Porto, Portugal	Poland
Ownership	Private, brand of Canelinfinita, Unipessoal Lda (Portugal, NIPC 518494128)	undisclosed
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.	Annual billing in PLN. Standard 3,600 zł/year, Multi 5,900 zł/year, Premium 7,950 zł/year. Demo access is offered separately.
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) Modern data centres in Poland (vendor claim)
EU member states referenced	1 of 27	1 of 27
EU reporting languages	Partial	2 of 24
Total reporting languages	90	2
AI on report content	No AI processing of report content	Undisclosed
Certifications	None published	None published
National laws referenced	EU Directive 2019/1937 Portugal (Lei 93/2021)	Poland (Ustawa o ochronie sygnalistów, 14 June 2024) 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 OpenWhistle and SygnaApp differ

Both OpenWhistle and SygnaApp can host whistleblower report data inside the EU. OpenWhistle references 1 of the 27 EU member states and SygnaApp references 1. Neither lists an ISO 27001 certification. SygnaApp offers self-serve sign-up, whereas OpenWhistle routes buyers through a demo or sales process. SygnaApp 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 SygnaApp: common questions

Does OpenWhistle or SygnaApp host whistleblower data in the EU?

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

How many EU member states do OpenWhistle and SygnaApp cover?

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

Is OpenWhistle or SygnaApp ISO 27001 certified?

Neither lists an ISO 27001 certification.

How do OpenWhistle and SygnaApp 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.. SygnaApp is priced at Annual billing in PLN. Standard 3,600 zł/year, Multi 5,900 zł/year, Premium 7,950 zł/year. Demo access is offered separately.. SygnaApp offers self-serve sign-up, whereas OpenWhistle routes buyers through a demo or sales process.

Do OpenWhistle or SygnaApp use AI on whistleblower reports?

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

Another option in this directory

OpenWhistle and SygnaApp 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 OpenWhistle → See all alternatives to SygnaApp → Compare all platforms