Legal

Third-Party Information Sharing List

Last updated: August 2026

Gravity never sells your personal information. To provide necessary functionality, the app integrates the following third-party services (including SDKs). Each entry lists the provider, the purpose, and the information involved. Questions: admin@hplab.dev

JPush SDK (Aurora push)

Provider: Shenzhen Hexun Huagu Information Technology Co., Ltd. (深圳市和讯华谷信息技术有限公司)

Purpose: Delivering message notifications on devices without Google services (via OEM vendor channels).

Information involved: Device identifiers, network information, notification content.

Privacy policy: https://www.jiguang.cn/license/privacy

Firebase Cloud Messaging

Provider: Google LLC

Purpose: Message push delivery on Android devices with Google services.

Information involved: Push token, notification content.

Apple Push Notification service (APNs)

Provider: Apple Inc.

Purpose: Message push delivery on iOS devices.

Information involved: Device push token, notification content.

Google / Apple sign-in

Provider: Google LLC / Apple Inc.

Purpose: One-tap third-party sign-in, only when you choose it.

Information involved: OpenID identifier, email, name (provided with your authorization).

Cloudflare

Provider: Cloudflare, Inc.

Purpose: Network acceleration and security protection.

Information involved: IP address and network request metadata.

Resend

Provider: Resend, Inc.

Purpose: Sending verification-code and notification emails.

Information involved: Email address, email content.