Rigorous research in one secure platform

A clinically validated, end-to-end platform for compliant digital trials and secure multimodal data collection at scale.

Combining academic rigour with real-world usability to power studies and trials.

The juli platform allows fully customisable clinical, behavioural, and epidemiological studies and trials. It has already powered multiple peer-reviewed studies and engaged over 30,000 users across 40+ countries.


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The advantages of juli

Data security and compliance first

GDPR, HIPAA, and SOC 2 compliant with secure and transparent data ownership and de-identified exports

Flexible and fast

Every element, from data types to interface, can be customised and deployed in weeks with grant-ready costing and live support

All-in-one platform

Capture extensive multimodal data alongside study management tools, engagement features, and health system integrations

Real engagement

Co-designed with participants, researchers, and clinicians to collect detailed, high-quality data and retain participants 7–10x longer than average

Award winning:

Trust and transparency at the core

  • You own your data, and juli never shares it with unauthorised third parties.

  • De-identified exports anytime in standard formats (e.g., CSV, JSON, FHIR)

  • Fully compliant with GDPR, HIPAA, and SOC 2 standards

Clear data governance policies are available on request.

Prices start at $3,400 - see our pricing page.

Engagement - the holy grail of health apps

Downloading health apps isn’t enough to drive impact. Users need to see a benefit, be engaged and stay interested enough to actually use them.  Easier said than done; most apps and especially health apps struggle to achieve user engagement and retention.

Retention of juli users after 30 days. (Industry average: 3.7%)

Engagement: More than half of the active juli users use the app at least twice per week.

Download juli to explore the experience