Side by side

Whispli Core vs Whistler

Both stand on whistleblower hotline software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Whispli Core

Paid AndroidAPIiPhone+1

Whispli Core combines multiple reporting routes with tools for managing investigations and cases. Organisations should confirm plan details, pricing, and hosting-region availability for their needs.

Visit Whispli Core

Whistler

Free trial Web

Whistler combines anonymous online reporting with tools to organise and track cases. Consider the lack of content export and the 5 MB attachment limit when deciding whether it fits your organisation.

Visit Whistler

The facts

	Whispli Core	Whistler
Free plan	No	A free trial
Open source	Not published	Not published
Runs on	Android, API, iPhone, Web	Web
Lowest paid plan	Free or on request	Small Team: $190 a year
Plans published	4	10
Maker	Not published	Not published
Website	whispli.com	whistlr.app
On whistleblower hotline software	#15 of 27	#19 of 27

Whispli Core: what it does well

Accepts reports through five intake channels.
Supports secure two-way anonymous communication.
Offers configurable workflows, automation, analytics, and reporting.
Supports on-premise translation in 60 languages.
AI features can be disabled by the organisation.

What to know first

No free plan is listed.
Pricing is available only on request.
Some hosting regions require an Enterprise+ add-on.

Whistler: what it does well

Reporters can submit without creating accounts.
Reporting forms are available in 12 languages.
Cases support linked reports, notes, and action trails.
Reports and attachments use encryption.
No integration with existing systems is required.

What to know first

No free plan; plans start at $19/month.
Uploaded files are limited to 5 MB each.
User-created content cannot currently be exported.
No phone hotline is listed.

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