Legal and trust center

Plain language, clear boundaries.

Vesper: Private AI Study is published by JTR Labs LLC. These documents explain what stays local, where Apple services fit, and what on-device AI can and cannot promise.

Privacy Policy

How local study data, Apple services, backups, support email, and website request information are handled.

Terms of Service

Rules for using Vesper, user materials, AI limitations, Pro subscriptions, and App Store license terms.

AI Transparency

The retrieval, evidence, validation, prompt-injection, availability, and human-verification boundary.

Accessibility

Current accessibility design principles, release gates, and how to report a barrier.

Support

Product-specific answers for imports, OCR, local data, Apple Intelligence, and subscriptions.

Publisher

JTR Labs LLC, United States. Privacy, terms, and support: [email protected]. Effective September 21, 2026.