Sub-processors
Last updated: March 9, 2026
This page lists the sub-processors that Tronor engages to process customer and personal data on our behalf to deliver T-Sketch and related services. "Customer data" and "personal data" have the meaning given in our Privacy Policy.
We may update this list from time to time. For material additions we will update the "Last updated" date and, where appropriate, notify via our website or service. For questions, contact support@tronor.com.
Hosting, infrastructure, and storage
| Sub-processor | Description of processing | Categories of personal data |
|---|
| Amazon Web Services, Inc. | S3 object storage for sketch data (chunks, images, symbol catalog, previews); cloud infrastructure | Customer content; sketch data; images; catalog assets |
| Cloudflare, Inc. | Real-time collaboration (WebSocket), persistence to S3, scene state and presence | Scene state; presence; connection identity |
| Vercel Inc. | Next.js hosting, API routes, serverless execution | API traffic; server-side session and auth; environment |
| Prisma Data, Inc. | PostgreSQL relational database (users, teams, projects, sketches metadata, subscriptions) | Account data; metadata; subscription state |
Product functionality
| Sub-processor | Description of processing | Categories of personal data |
|---|
| Pinecone Systems, Inc. | Vector search for symbol catalog; integrated inference for search | Search queries (text); catalog metadata |
Payments and billing
| Sub-processor | Description of processing | Categories of personal data |
|---|
| Stripe, Inc. | Payment processing, subscriptions, billing | Payment method; billing details; subscription events |
| Apple Inc. | In-app purchase and subscription sync for the iOS app (App Store / StoreKit) | Apple ID; purchase and subscription data |
Communications
| Sub-processor | Description of processing | Categories of personal data |
|---|
| Resend | Transactional email (magic link, welcome, invitations, billing notifications) | Email address; email content |
Operations and support
| Sub-processor | Description of processing | Categories of personal data |
|---|
| Better Stack, Inc. | Logging (frontend, backend, Cloudflare, Inc.) for diagnostics and operations | Log data including user identity, connection IDs, errors |
| Freshworks Inc. (Freshdesk) | Helpdesk for ticketing and support incidents | Requester identity; ticket and support conversation content |