服务条款 / Terms of Service
生效日期（Effective Date）：2026-02-21
1. 接受条款 / Acceptance
使用 Echo Phase 即表示你同意本条款及隐私政策。
By using Echo Phase, you agree to these Terms and the Privacy Policy.
2. 服务内容 / Service Scope
Echo Phase 提供本地课程管理、课次打卡、统计分析、提醒与导出能力。
Echo Phase provides local course management, check-in tracking, statistics, reminders, and export features.
3. 订阅与购买 / Subscriptions and Purchases
应用可提供周、月、年与永久会员方案（以 App Store 实际展示为准）。
The app may offer weekly, monthly, yearly, and lifetime plans (subject to App Store listing).
- 支付、续费、退款与发票由 Apple App Store 处理。
- Payments, renewals, refunds, and billing are handled by Apple App Store.
4. 网络与第三方服务 / Network and Third-Party Services
除 iCloud 同步与内购流程外，本应用不要求联网运行。
Except for iCloud sync and in-app purchase flows, this app does not require network access.
- iCloud 同步仅在你开启后生效。
- iCloud sync is enabled only when you turn it on.
- 内购相关通信由 Apple 完成。
- In-app purchase communication is handled by Apple.
5. 用户责任 / User Responsibilities
你应保证输入内容合法，不得将本应用用于违法用途。
You must provide lawful content and must not use the app for illegal activities.
6. 免责声明 / Disclaimer
本应用按“现状”提供。我们会持续改进，但不保证在所有设备和系统环境中完全无中断或无错误。
The app is provided "as is". We continuously improve it, but do not guarantee uninterrupted or error-free operation on all devices.
7. 条款更新 / Changes to Terms
我们可能更新本条款，更新后将在此页面发布。
We may update these Terms and publish updates on this page.
8. 联系我们 / Contact
Email: study_doc@foxmail.com