No. 103of 123 ·Cookie Consent Management Platforms

Onesecondbefore CMP

Web · Android · iPhone · API

Freedom report

One barScore 5.2

Runs widely3 of 6 device platforms
DocumentedThinly documented

Onesecondbefore CMP is ranked #103 of 123 in cookie consent management platforms on Freedom251, made by Onesecondbefore CMP (Amsterdam, The Netherlands). It runs on Android, API, iOS, Web.

Compared on cookie consent management platforms

Free plan: Yes
Consent records: Yes
Google Consent Mode: advanced
IAB TCF support: Yes

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The record

Product: Onesecondbefore describes Consent as a Consent Management Platform.
TCF compliance: The maker says its consent management supports IAB TCF 2.2 and is certified by the IAB.
Consent storage: The maker says user consents can be stored in the customer's own data lake.
Consent controls: The CMP documentation describes consent choices for purposes, legitimate interests, special features, and vendors.
Analytics connection: The maker says analytics, profiles, and consent are handled in one place.
Cross-domain consent: The consent documentation describes a central consent page that can serve multiple sites and return visitors to the original page with consent information.
API: A REST API can store consent directly without using the JavaScript framework; the maker configures the endpoint.
Web and mobile: The maker lists JavaScript, Android, and iOS support, with Android and iOS SDK source code released under the Mozilla Public License.
Mobile consent limit: The iOS SDK does not request IDFA permission itself; the app developer must request tracking authorization if the app uses IDFA.
Support: The installation documentation directs users to contact support for help and for SDKs on other platforms.
Location: The contact page lists an address in Amsterdam, The Netherlands.
Purpose: Onesecondbefore describes its Consent product as a Consent Management Platform (CMP).
TCF support: The maker says its consent management is IAB TCF 2.2 compliant and accredited by the IAB.
Consent interface: The CMP documentation describes a consent gate compatible with IAB TCF 2.2, including purposes, legitimate interests, special features, and vendor choices.

Where it ranks on Freedom251

Best Cookie Consent Management Platforms in 2026#103 of 123

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Sources

onesecondbefore.com· checked 12 Oct 2026
onesecondbefore.com/resources/analytics/reference/· checked 12 Oct 2026
onesecondbefore.com/resources/analytics/rest-api/· checked 12 Oct 2026
onesecondbefore.com/resources/analytics/installation/· checked 12 Oct 2026
onesecondbefore.com/contact/· checked 12 Oct 2026
onesecondbefore.com/resources/analytics/advanced-topics/goo· checked 12 Oct 2026