KerithSubprocessors
Last updated: October 20, 2026
This page lists the third-party service providers ("subprocessors") that process personal data on Kerith's behalf to deliver the Service. It is referenced by our Privacy Policy. We update this list when we add or remove a subprocessor.
| Subprocessor | Purpose | Data categories processed | Region |
|---|---|---|---|
| Cloudflare | Core hosting and infrastructure: database (D1), object storage (R2: sermon audio, backups, exports), cache (KV), vector search (Vectorize), on-device transcription (Workers AI), edge rate limiting; AI Gateway, which routes requests to AI providers and keeps a short-lived log of request metadata (model, token counts, cost, a pseudonymous user identifier) without the content | Account data, Your Content, push tokens, IP (transient) | Global edge / US |
| Anthropic | AI processing (chat, reflections, summaries) when a Claude model is used | Content submitted to AI features | US |
| OpenAI | AI processing when a GPT model is used; audio transcription (Whisper) | Content submitted to AI features; sermon audio | US |
| Google (Gemini) | AI processing when a Gemini model is used; sermon photo text extraction (Vision) | Content submitted to AI features; sermon photos | US |
| Groq | AI processing when a Llama/Mixtral/Gemma model is used | Content submitted to AI features | US |
| Voyage AI | Text embeddings for semantic search (RAG) | Portions of Your Content | US |
| Backblaze (B2) | Cold-archive storage of encrypted weekly database backups | Encrypted backup (all backed-up tables) | US |
| RevenueCat | Subscription management | Subscription status and identifiers (no card data) | US |
| Google Firebase Cloud Messaging | Push notification delivery | Push token, notification content | US |
| PostHog | Product analytics | Usage events; account properties (denomination, experience level, subscription status, guest/registered, time zone) | United States |
| Sentry (production only) | Error monitoring | Error metadata (content scrubbed) | United States |
| Apple | Sign in with Apple; App Store payments/subscriptions | Authentication identifier; payment handled by Apple | US |
Note on AI providers. Which AI provider receives a given request depends on the model configured for that feature. Across all AI features, content is only sent after you grant AI consent in the app (see Privacy Policy Section 3.3).