SDKs

VONDER App and Web Service

Firebase. Uploads crash reports and generates DAU (daily active users) and other usage statistics. Data processed: usage data, log data, crash stacks, app instance ID, device identifiers (Advertising ID), device information, app information. License: MIT License.

Google Play Billing 8.3.0. Handles Google Play in-app purchase and subscription billing. Data processed: purchase tokens, order numbers, product IDs; payment billing information is processed directly by Google Play and is not accessed by the App. License: Google Commercial License.

Google Play services Auth / Credential Manager. Provides sign-in with Google third-party login. Data processed: Google account email, display name, avatar, ID Token, device information. License: Google Commercial License.

Amazon Cognito. Handles email registration, login, and verification code validation, and issues session tokens. Data processed: email address, password (transmission only), verification code, authentication token. License: AWS Commercial Terms of Service.

Amazon S3 + CloudFront. Provides object storage and CDN distribution for chat/project images, attachments, and feedback screenshots. Data processed: user-uploaded images / file content. License: Apache-2.0.

RevenueCat. Manages App Store / Google Play subscriptions and membership benefits. Data processed: purchase history (purchase/subscription records), App User ID, receipts/purchase tokens, subscription status, device and country/region information. License: MIT License.

Stripe Checkout / Billing Portal. Handles subscription payment, billing, and payment method management. Data processed: email address, internal user ID, subscription/payment status (bank card numbers are collected directly by Stripe-hosted pages and do not pass through our servers). License: MIT License.

Gemini / Vertex AI. Powers LLM chat, embedding, summarization, and user profile generation. Data processed: chat text, meeting transcript text, user profile/memory summary, geolocation, task and project context. License: Apache-2.0.

Claude API. Powers LLM chat and tool calling (one of the core chat models). Data processed: chat text, user-uploaded documents/images, tool calling parameters. License: MIT License.

OpenAI GPT API. Powers LLM chat and tool calling. Data processed: chat text, user-uploaded documents/images, tool calling parameters. License: Apache-2.0.

DeepSeek API. Powers LLM chat (optional model on web side, accessed via OpenAI-compatible API). Data processed: Chat text, tool calling parameters. License: Apache-2.0.