Bespoke devices,
engineered for global clinical trials.
STK designs and builds purpose-built smartphones and tablets specifically for global eCOA, ePRO and decentralised clinical trial deployment.
- 30+
- years in mobile
- 3M+
- devices shipped
- 200K+
- deployed in trials
Multiple devices. One platform. Engineered for the protocol.
NewSTK Helix
Next generation eCOA · ePRO smartphone
- Android 16
- AI-enabled (STK Cortex™)
- Global 5G via STK Nexus™
- Single global SKU
ProvenSTK X3
200,000+ deployed across global clinical trials
- Durable, modern design
- Removable battery
- Globally certified device
- 5-year warranty
Need a custom-built smartphone, tablet, or wearable?
Start a conversationSTK. Removing your pain points from device procurement
Our common integrated device platform, firmware, warranty and lifecycle, purpose-built for the realities of global clinical research.
Full benefits breakdown7-year lifecycle
Our STK device availability guarantee for a minimum of 7 years, paired with our software and security updates.
Android 16
Latest OS with managed updates on your schedule, and designed for remote provisioning.
80-country certification
A single SKU device, globally certified in any country for as long as you need it.
Global 4G/5G connectivity via STK Nexus™
Your choice of physical or eSIM connectivity, enabled for 200+ countries via 500+ carriers.
One Global charger
A single global charging unit, reducing inventory, and certified in every country.
GMS / AER certified
We guarantee our devices are Google compliant, 100% secure, zero touch and update ready.
500+ languages
Localisation support engineered for global patient deployment.
STK Sustainability
Dedicated device refurbishment and disposal business with full ISO 14001 accreditation.
AI Enabled (STK Cortex™)
Built in on-device inference for biometrics, engagement and passive signals, on every device.
On-device intelligence for clinical research.
STK Cortex™ brings on-device inference, biometric identity, multilingual ePRO engagement and passive signal capture, without sending sensitive data off the device.
- v1.1Core on-device AI, biometric identity, multilingual ePRO across 500+ languages
- v1.2Passive gait, motion and sleep signal capture for clinical workflows
- v1.3Voice-based signal capture and on-device analysis
- v1.4Standardised image capture for clinical trial data collection
500+ carriers. 200+ countries. One platform.
Choose physical or eSIM, 4G or 5G. STK Nexus™ delivers secure, uninterrupted global data coverage across the world's most complex clinical studies.
Inside STK Nexus™Designing a study? Get a tailored device proposal in 24 hours.
Share your protocol basics and our engineering team will reply within one working day with device options, indicative pricing and global deployment timelines.
Reviewed by engineering · Not a generic inbox