
About
Verify the identity of individuals in real-time across calls, video chats, and text messages. This tool provides instant, impersonation-proof confirmation, protecting your reputation and relationships from sophisticated fakes.
What's New in SureMark
1.4.1
June 23, 2026
We're now prioritizing content verification, making it faster and easier to confirm that what you're viewing was signed by a trusted identity. This version brings authenticity checks directly into your browsing experience, so you always know who created the content in front of you.
MoreUser reviews
Developer apps
FAQ
What is SureMark?
SureMark is a utility app designed for real-time identity verification across various digital interactions like calls, video chats, and text messages. It aims to prevent sophisticated impersonation and ensure you know who you are truly interacting with.
How does SureMark verify identity?
SureMark verifies identity and authorization at the source, rather than relying on detection tools. It provides instant, trustworthy confirmation that the identity presented was issued and approved by a trusted source.
Is SureMark free to use?
Yes, the Viewer tier of SureMark is free for anyone to verify identities and signed content. Higher tiers offer additional features like credential issuance and content signing.
Does SureMark have ads?
No, SureMark is privacy-focused and does not contain advertisements. It also states it does not sell user data or send spam.
What devices does SureMark support?
SureMark is available on iOS devices, including iPhone, iPad, and iPod. It also offers cross-platform protection across desktop and web interactions.
How often is SureMark updated?
The latest version of SureMark is 1.3.0, which was last updated on January 20, 2026. This indicates a recent update and ongoing development.
What are the different tiers of SureMark?
SureMark offers a free Viewer tier. Higher paid tiers include Sure Circle, High Visibility, and Celebrity, which unlock features like credential issuance, content signing, recovery tools, and dual identities.
Is SureMark suitable for children?
SureMark has an age rating of 4+, making it suitable for a wide range of users. Its core functionality is focused on identity verification for digital interactions.


