1. Service provider
Service provider: Guilin Sanyu Technology Co., Ltd. ("we", "us").
Registered address: Room 102, Unit 2, Building 2, No. 34 Putuo Road, Qixing District, Guilin, China.
Contact email: contact@tricosmos.cn.
2. Scope
These terms apply to Carryon Book for iOS, Android and HarmonyOS, provided by Guilin Sanyu Technology Co., Ltd. The app offers personal income and expense records, categories and statistics without a separate app account. Payment options and features depend on the distributed version.
3. Features and availability
Carryon Book is designed for everyday income and expense records, with a simple, easy-to-review experience. Start with each small expense and keep track of daily finances. Features may vary by platform and version.
4. Content you provide
You must have the right to use content you import, record or share, respect others' privacy and copyright, and not use the product to process or distribute unlawful content.
5. Storage and backup
Keep important data safe and check exported results. Before changing devices, uninstalling, restoring or deleting, confirm that a usable backup exists. Manage external files and system backups separately.
6. Purchases and subscriptions
Apple App Store handles iOS payments and refunds, while Google Play handles subscriptions in the Google Play edition. The direct Android APK has no purchases. HarmonyOS Pro offers monthly and yearly auto-renewing subscriptions and a one-time lifetime purchase through Huawei in-app purchases. Review the confirmation screen for prices, billing periods, renewal terms and benefits before purchasing. Pro unlocks the advanced features described in the app and removes ads. Subscription benefits apply during their valid period. Lifetime is a non-consumable entitlement for this app, not other products. Purchases can be restored in the app. Refunds follow the applicable store rules; refunded or revoked purchases lose their benefits. Cancel automatic renewal in the subscription settings of the relevant Apple, Google or Huawei account. Paid-period benefits after cancellation follow the store rules. Uninstalling does not cancel subscriptions. Unavailable products have no purchase entry.
7. Third parties and permissions
Third-party websites, stores and system services are subject to their own terms. You can manage system permissions; functionality may depend on your device, system and network.
8. Limits of use
The product is provided for its stated purposes. Verify records, recognition, estimates and reminders. For health, financial or other professional decisions, seek advice suited to your circumstances; entertainment and assistance features do not guarantee professional outcomes.
9. Support and changes
For support, contact contact@tricosmos.cn. Important feature, paid entitlement or terms changes will be explained on applicable pages. This notice does not limit statutory consumer rights.
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