Gusto开口说 Privacy Policy
Last Updated: August 10, 2026
1. Information Collection
We (Shanghai Fortune Technology) collect the following types of
information:
-
Account Information: Phone number, verification code
match result, username, email address, password (stored encrypted)
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Learning Data: Learning progress, performance records,
usage habits
-
Device Information:
- Device type, brand, and model
- Operating system version
-
Device identifiers: Device ID, IMEI (International Mobile Equipment
Identity), ANDROID ID, OAID (Open Anonymous Device Identifier)
-
SIM card information: ICCID (Integrated Circuit Card Identifier),
IMSI (International Mobile Subscriber Identity)
-
Sensor information: Accelerometer, etc. (used to detect device
orientation and motion)
-
Network information: IP address, network type, carrier information,
Wi-Fi SSID (wireless network name), Wi-Fi BSSID
-
Usage Data: Application usage duration, feature usage
frequency, error logs
-
Information Collected by Third-Party SDKs:
-
PostHog Analytics SDK:
- Third Party: PostHog
-
Purpose: Event tracking and user behavior
analysis
-
Collected Information:
-
User behavior data: Page visits, feature usage, click
events, etc.
-
Device information: Device type, screen size, browser
information
-
Session information: Session duration, user path analysis
-
Performance data: Application loading time, error statistics
-
Privacy Policy Link:
https://posthog.com/privacy
-
Sentry Error Monitoring SDK:
- Third Party: Sentry
-
Purpose: Error tracking and performance
monitoring
-
Collected Information:
-
Error information: Application crashes, exception stack
traces
-
Performance data: Page loading time, API response time
- Device information: Operating system, browser version
- User context: User operation path during errors
-
Privacy Policy Link:
https://sentry.io/privacy/
-
Easemob IM:
- SDK Name: Easemob IM
-
Developer: Beijing Easemob Network Technology
Co., Ltd.
- Purpose: Instant messaging functionality
-
Collected Information:
-
Communication data: Chat records, voice/video call records
- User identifiers: User ID, friend relationships
- Device information: Device ID, network status
-
Media files: Sent and received images, audio, video files
-
SDK Privacy Policy Link:
https://www.easemob.com/protocol
-
WeChat OpenSDK Android:
- SDK Name: WeChat OpenSDK Android
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Developer: Tencent Computer System Co., Ltd.
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Purpose: WeChat login and sharing functionality
-
Collected Information:
- Device identifiers: Device ID, MAC address
-
Application information: Application list, running status
- Network information: IP address, network status
-
User interaction data: Clicks, swipes, and other
interactions
-
SDK Privacy Policy Link:
https://support.weixin.qq.com
-
Video SDK:
- SDK Name: Video SDK
-
Developer: Shanghai Shengwang Technology Co.,
Ltd.
-
Purpose: Provide video call and live streaming
functionality
-
Collected Information:
-
Device information: Device model, operating system version,
hardware information
-
Network information: IP address, network quality, bandwidth
information
- Audio-video data: Video stream, encoding parameters
- Performance data: CPU usage, memory usage
-
SDK Privacy Policy Link:
https://www.shengwang.cn/SDK-privacy-policy/
-
Audio SDK:
- SDK Name: Audio SDK
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Developer: Shanghai Shengwang Technology Co.,
Ltd.
-
Purpose: Provide audio call and voice chat
functionality
-
Collected Information:
-
Device information: Device model, operating system version,
hardware information
-
Network information: IP address, network quality, bandwidth
information
- Audio data: Audio stream, encoding parameters
- Performance data: CPU usage, memory usage
-
SDK Privacy Policy Link:
https://www.shengwang.cn/SDK-privacy-policy/
-
OPPO Push SDK:
- SDK Name: OPPO Push SDK
-
Developer: Guangdong Heytap Technology Co.,
Ltd.
- Purpose: Push notifications
-
Collected Information:
-
Device-related information: IMEI or OAID, Serial Number,
IMSI, User ID, Android ID, Google Advertising ID, phone
Region settings, device model, battery level, operating
system version and language
- MAC address
-
Application information for push services: APP package name
and version, running status, Push SDK version
-
Network-related information: IP or domain connection
results, current network type, network status
-
Message delivery results, notification bar status
(notification permissions, user click behavior)
-
Personal location information, lock screen status (whether
locked, whether lock screen notifications are allowed)
-
SDK Privacy Policy Link:
https://open.oppomobile.com/documentation/page/info?id=10288
-
VIVO Push SDK:
- SDK Name: VIVO Push SDK
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Developer: Vivo Mobile Communication Co., Ltd.
- Purpose: Push notifications
-
Collected Information:
- Network status
-
Device information: Phone Region settings, device model,
battery level, operating system version and language
-
Device identifiers: IMEI, OAID, Serial Number, IMSI, User
ID, Android ID, Google Advertising ID
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MAC address, IP address, personal location information
- Storage permissions
-
Application information: APP package name and version,
running status
-
SDK Privacy Policy Link:
https://dev.vivo.com.cn/documentCenter/doc/878
-
Xiaomi Push SDK:
- SDK Name: Xiaomi Push SDK
-
Developer: Beijing Xiaomi Mobile Software Co.,
Ltd.
- Purpose: Push notifications
-
Collected Information:
- Device identifiers: IMEI, OAID, Android ID
- MAC address, push message content
-
Device information: Device manufacturer, model, region,
carrier name, etc.
-
Notification bar settings, network status access, device
information access, device storage write, phone vibration
permission, notification bar permission
-
SDK Privacy Policy Link:
https://dev.mi.com/console/doc/detail?pId=1822
-
Huawei Push SDK:
- SDK Name: Huawei Push SDK
-
Developer: Huawei Software Technologies Co.,
Ltd.
-
Purpose: Push notifications (including Huawei
Alliance App / com.huawei.agconnect)
-
Collected Information:
- Network status
-
Device identifiers: MAC address, IMEI, SERIAL, Android ID
-
Application list: Currently installed apps, currently or
recently running apps, and running processes
-
SDK Privacy Policy Link:
https://developer.huawei.com/consumer/cn/doc/HMSCore-Guides/sdk-data-security-0000001050042177
-
Honor Push SDK:
- SDK Name: Honor Push SDK
-
Developer: Shenzhen Honor Software Technology
Co., Ltd.
- Purpose: Push notifications
-
Collected Information:
- Network status
-
Device identifiers: MAC address, IMEI, SERIAL, Android ID
-
Application list: Currently installed apps, currently or
recently running apps, and running processes
-
SDK Privacy Policy Link:
https://developer.honor.com/cn/docs/11002/guides/sdk-data-security
-
Alipay SDK:
- SDK Name: Alipay SDK
-
Developer: Alipay.com Co., Ltd.
-
Purpose: Ensure the security of user accounts
and funds and the stable operation of payment services; fulfill
statutory obligations such as anti-money laundering,
counter-terrorism financing, and anti-telecom fraud; enable
network link selection and optimization to improve user
experience
-
Collected Information:
-
Device identifiers: IMEI, IMSI, MAC address, device serial
number, hardware serial number, SIM card serial number,
ICCID, Android ID, OAID, SSID, BSSID
-
System settings, system properties, device model, device
brand, operating system
-
Network information: IP address, network type, carrier
information, Wi-Fi status, Wi-Fi parameters, Wi-Fi list
- Installed software list
-
SDK Privacy Policy Link:
https://opendocs.alipay.com/open/54
-
ZXID SDK:
- SDK Name: ZXID SDK
-
Developer: Zhonghu Zhian (Beijing) Technology
Co., Ltd.
-
Purpose: Provide anonymous device identifiers
(including openid/OAID supplementation) for statistical
analysis; ensure compliant and secure device identifier
acquisition to support anti-fraud and security risk control;
replace unstable or restricted device identifiers under legal
and compliant premises to maintain related business stability
-
Collected Information:
-
Weak device characteristics: Device manufacturer, device
model, device system information, OAID
-
Device network information: Connection method, network
status
-
Device environment information: Screen brightness, battery
status, country/region
-
Device application information: Names, package names,
versions, and install/update information of common apps
-
SDK Privacy Policy Link:
https://zxid.mobileservice.cn/privacy
-
Alibaba Cloud OSS SDK:
- SDK Name: Alibaba Cloud OSS SDK
-
Developer: Alibaba Cloud Computing Co., Ltd.
-
Purpose: Provide object storage capabilities to
support uploading and downloading user images, audio, files,
and other content; ensure secure and stable operation of
storage services and improve SDK experience; support storage
fundamentals such as resumable uploads and network requests
-
Collected Information:
-
Device information: Device model, operating system
information (system name, system version), phone model,
Build.ID
- Network connection method
-
User-uploaded images, audio, files, and other business
content transmitted via this SDK to Alibaba Cloud Object
Storage
-
SDK Privacy Policy Link:
https://terms.aliyun.com/legal-agreement/terms/privacy_policy_full/20240202100310511/20240202100310511.html
-
Purpose of Collection: For account registration and
login, application data analytics, user behavior analysis, product
optimization, error monitoring, messaging services, WeChat social
features, audio-video call services, push notifications, payment
services, anonymous device identification and statistical analysis, and
object storage services
1.1 Account Registration and Login Information
-
When you register an account on our platform, you need to provide us
with information that alone or in combination can identify you,
including: phone number, verification code match result, etc., and
create an account UID. We collect this information to complete the
registration (membership) process, continue to provide registration
(membership) services stably, and protect the security of your
registered (membership) account. You should know that your phone number
and verification code match result are your sensitive personal
information. We collect such information to meet applicable legal and
regulatory requirements. If you refuse to provide it, you may be unable
to use this feature; please consider carefully before providing it.
-
After successfully registering an account, you may use the account to
log in to our platform. When logging in, you need to provide your
account information. If you do not provide such information, you will be
unable to log in.
-
Some of our platforms support login with third-party accounts (for
example, WeChat). If you log in with a third-party account, we will,
based on your authorization, obtain the username, nickname, and avatar
under that third-party account, subject to the scope of your
authorization, as well as identity verification information (sensitive
personal information). We collect this information to provide account
login services, protect your account security, and prevent security
risks. If you refuse to authorize such information, you will be unable
to log in to our platform with the third-party account.
-
You acknowledge and agree that, for one or more contact methods you
provide while using the product and/or services (for example, email
address and contact phone number), we may during operations send various
notifications to one or more of them for purposes such as user message
notices, identity verification, and security verification.
2. Information Use
We use the collected information to:
- Provide English learning features and services
- Improve application functionality and user experience
- Send important service notifications and updates
- Analyze user behavior to optimize educational content
2.1 Device Information and Identifier Usage Purposes
-
Device ID, IMEI, ANDROID ID, OAID:
- Ensure application security, prevent fraud and abuse
- Provide technical support and troubleshooting
- Perform statistical analysis and product improvement
- Enable device binding to protect account security
- Advertising delivery and attribution (OAID only)
-
ICCID, IMSI:
- Optimize network connectivity
- Provide localized services
- Analyze user distribution
-
Accelerometer:
- Detect device orientation to optimize interface display
-
Provide motion-based interaction features (e.g., shake-to-activate)
- Enhance user experience
-
Wi-Fi SSID (Wireless Network Name):
- Optimize network connectivity and troubleshoot issues
- Provide location-based personalized services
-
Improve application performance across different network
environments
- Support statistical analysis and product optimization
3. Information Sharing
We will not sell, trade, or transfer your personal information to third
parties unless:
- We obtain your explicit consent
- It is required by law or government authorities
- It is necessary to protect our rights, property, or safety
-
It is shared with trusted service providers who agree to maintain
confidentiality
4. Data Security
We place great importance on protecting your personal information and have
implemented industry-standard security measures, along with organizational
and management systems, to minimize the risk of data leakage, damage,
misuse, unauthorized access, disclosure, or alteration. These measures
include:
- Data encryption for transmission and storage
- Access control and permission management
- Regular security audits
- Employee confidentiality agreements
5. User Rights and Control
You have the right to:
- Access and update your personal information
- Request deletion of your account and data
- Opt out of certain data collection
- Understand how we use your data
5.1 Account Registration and Deletion
Account Registration: For personal information collected
and used during account registration and login, please see Section 1.1 of
this Policy.
Account Deletion: You can delete your account at any time
through the following methods:
-
Go to the "Personal Settings" page in the app and select the "Account
Deletion" option
-
Follow the prompts to complete identity verification and deletion
confirmation
-
Or request account deletion via our customer service email:
4tune.app@mampod.com
Consequences of Deletion: Upon account deletion, we will
delete your personal information unless otherwise required by law. Account
deletion is irreversible, so please consider carefully.
5.2 Permission Management
For sensitive permissions, we will:
-
Clearly inform you of the purpose when requesting permissions for the
first time
- Request permissions only when necessary for specific features
-
Allow you to revoke granted permissions at any time through device
settings
-
Note that revoking permissions may affect the normal use of related
features
6. Children's Privacy
We do not knowingly collect personal information from children under 13.
If we discover such information has been collected, we will delete it
immediately.
7. Policy Updates
We may update this privacy policy from time to time. For significant
changes, we will notify you via in-app notifications or email. Continued
use of the app indicates your agreement to the updated policy.
8. Contact Us
If you have any questions about this privacy policy, please contact us: