使用条款 — 认识数字
最后更新：2026-05-31
服务说明
认识数字（KnowNumber）是一款专为 2-8 岁儿童设计的数字学习应用，由 wangzz 开发。本应用提供 9 个关卡的数字认知游戏，帮助儿童循序渐进地认识数字。
免费与付费内容
- 前 3 关（认一认、听一听、数一数）免费开放
- 第 4-9 关需通过内购解锁
- 提供三种购买方案：终身解锁（¥18）、月订阅（¥6/月）、年订阅（¥38/年）
- 订阅方案均含 3 天免费试用期
用户责任
- 本应用面向儿童使用，但所有购买行为需由家长完成
- 家长应合理设置每日使用时长，保护儿童视力健康
- 请勿将家长门禁密码告知儿童
知识产权
- 本应用的所有内容（包括文字、图像、音频、代码）版权归 wangzz 所有
- 未经书面许可，不得复制、传播或用于商业用途
免责声明
- 本应用仅供教育娱乐目的，不构成专业教育建议
- 我们不对因使用本应用产生的任何间接损失承担责任
- 应用内容可能随版本更新而调整，恕不另行通知
退款政策
- 所有退款请求通过 Apple 处理，请访问 reportaproblem.apple.com
- 订阅可在当前周期结束前随时取消
适用法律
本条款受中华人民共和国法律管辖。
联系方式
如有任何问题，请联系：knownumber@wangzz.com
Terms of Use — KnowNumber
Last updated: 2026-05-31
Service Description
KnowNumber is a number learning app designed for children aged 2-8, developed by wangzz. The app provides 9 levels of number cognition games to help children learn numbers progressively.
Free and Paid Content
- The first 3 levels (Recognize, Listen, Count) are free
- Levels 4-9 require in-app purchase to unlock
- Three purchase options: Lifetime unlock (¥18), Monthly subscription (¥6/month), Yearly subscription (¥38/year)
- All subscription plans include a 3-day free trial
User Responsibilities
- This app is designed for children, but all purchases must be completed by parents
- Parents should set reasonable daily usage limits to protect children’s eye health
- Do not share the parent gate password with children
Intellectual Property
- All content in this app (including text, images, audio, and code) is copyrighted by wangzz
- Reproduction, distribution, or commercial use without written permission is prohibited
Disclaimer
- This app is for educational and entertainment purposes only and does not constitute professional educational advice
- We are not liable for any indirect damages arising from the use of this app
- App content may be adjusted with version updates without prior notice
Refund Policy
- All refund requests are handled by Apple. Please visit reportaproblem.apple.com
- Subscriptions can be cancelled at any time before the current period ends
Governing Law
These terms are governed by the laws of the People’s Republic of China.
If you have any questions, please contact: knownumber@wangzz.com