Modernize legacy access with secure mobile credentials
Provide tenants, employees, and members with a single mobile credential to unlock doors across multiple facilities and systems. Keep your proximity card readers installed, no new reader hardware is necessary.
The mobile becomes the smartest and most secure reader and credential
The smartphone is the most advanced door reader out there. Our readerless mobile access credential software can simply be updated to provide the highest levels of access control security. No new access control readers are required to be installed.
Achieve an ROI by saving on new reader hardware replacement costs
Our mobile credential software compliments your legacy proximity card reader system. No access control readers are required to be replaced, our software simply adds the option of NFC mobile access, alongside keycard access.
Compatible with multiple disparate access control systems
Sentry Interactive’s open and interoperable mobile credential software integrates with all major pre-installed and new physical access control systems (PACS), without having to install new readers. Our mobile credentials don’t replace your system, they enhance it.

















Enhance your access control with a readerless upgrade to mobile credentials
Enjoy a cost-effective software based transition to advanced readerless NFC mobile access, without any disruption to your legacy access control system.
Readerless
Mobile credentials don’t require reader hardware to operate, therefore no reader hardware upgrades or rip and replace is necessary to integrate with your legacy access control system.
Interoperable
Our open SDK is designed to integrate with multiple major access control systems in addition to a portfolio of third-party space management and tenant experience applications.
Scalable
Mobile credentials can be setup and rolled out remotely in minutes and not days, with no disruption to existing access control system infrastructure.
Secure
The only NIST compliant NFC mobile access credential SDK that delivers the highest banking level encryption. Time, geofence and IP restrictions available.
Enroll Public Key Open Credentials (PKOC) at scale by embedding our SDK
Find out how our mobile credentials deliver to PKOC specifications, pioneering the future of open standard credentials.
Find out about the benefits of mass enrollment capabilities of Public Key Open Credentials (PKOC) for enterprises.
Find out what PKOC is and how it is shaping the future of open standard credentials that deliver the highest security levels.
Understand why we have protected our mobile access credentials with assymetric cryptography in line with PKOC.
Learn more about the possibilities of non proprietary, open standard, mobile credentials, built on PKOC specification.
Enhance your apps existing features with integrated mobile credentials
Our SDK integrates with third party applications to manage all buildings effortlessly. No matter the size or sector; from building and facilities management apps, to club, hospitatlity, and coworking and visitor management apps, our SDK increase its capabilities to mobile access credentials.
No disruption to existing access control system infrastructure
Our smart access tiles that require no batteries or power are simply applied next to doors and linked with the cloud via the QR code. Setup is remote to enable, fast, reliable, and secure smartphone NFC door entry in no time, without compromising security.
Automate your access operations with time sensitive mobile visitor credentials
End-users have the ability to manage readerless mobile access credentials for tenants, employees and visitors from anywhere, at any time, via a desktop, tablet or smartphone.
Transition users to NIST cyber secure mobile access credentials at your own pace
Sentry Interactive’s NFC mobile access credentials are engineered for comprehensive security. We are the only mobile credential SDK provider to follow NIST compliant standards by using the smartphone as the reader. Military-grade encryption protects user access data in the cloud, while audit logging and privacy regulation compliance further secure the data.




Embrace the fastest route to flexible mobile credentials
Extend the life of your access control systems and provide the choice of secure NFC mobile credentials to automate operations and optimize user experience.
Connect with a member of our team within 24 hours.
Get a system audit for integration.
Deploy and activate mobile credentials within days.
Don't just take our word for it. Learn from our customers
Frequently asked questions
Sentry Interactive is a software development company that provides a software-only upgrade that adds NFC mobile credentials to existing access control systems. It allows tenants, employees, and members to use their smartphone to unlock doors across multiple facilities and systems, without requiring any new reader hardware to be installed.
No. Sentry Interactive’s mobile credential software does not rely on upgrading your existing door reader hardware, your existing BLE or proximity card readers can stay in place. The smartphone acts as both the reader and the credential, meaning there is no rip and replace of hardware, no rewiring, and no disruption to your current access control infrastructure.
Sentry Interactive is the only mobile credential SDK provider to follow NIST-compliant standards by using the smartphone as the NFC reader. The software uses asymmetric encryption to protect access data in the cloud and secure key sharing. The mobile credentials also support time-based, geofence, and IP restrictions, and maintain full audit logging of unlock data. It is also PCI DSS compliant and Cyber Essentials certified.
Mobile credentials can be set up and rolled out remotely in days rather than weeks or months. The battery-free Smart Access Tiles are placed next to doors and linked to the cloud via QR code, with no rewiring or installation works required. From initial contact, the team aims to connect within 24 hours, conduct a system audit, and have mobile credentials active within days.
By embedding Sentry Interactive’s SDK, organizations can enroll users at scale with mobile and physical credentials built to PKOC specification. The SDK enables remote, bulk issuance of PKOC-compliant credentials without manual, device-by-device setup, turning what was traditionally a time-consuming process into a fast, scalable rollout across an entire workforce or user base.