Privacy-first period calendar. No accounts. No cloud. No ads. 隐私优先的经期日历。无需账号,无云同步,无广告。
Predicts your next periods after just 2 cycles.只需 2 个周期,自动预测下次经期。
Real-time phase tracking with explanations.实时显示当前阶段及详细说明。
Visual charts, trends, and outlier detection.可视化图表、趋势分析和异常检测。
All data stays on your device. Always.所有数据始终留在你的设备上。
Verify our privacy claims yourself on GitHub.在 GitHub 上亲自验证我们的隐私承诺。
Full English and Chinese support.完整的中文和英文支持。
YIMA: Period Calendar stores all data exclusively on your device using local storage (DataStore). No data is ever transmitted to any server, cloud service, or third party.姨妈来了使用本地存储 (DataStore) 将所有数据存储在你的设备上。数据不会被传输到任何服务器、云服务或第三方。
We do not collect, process, or store any personal data. Specifically:我们不收集、处理或存储任何个人数据。具体来说:
Period dates, daily records (flow intensity, mood, symptoms, notes), and app preferences are stored locally on your device only. This data is never shared with anyone.经期日期、每日记录(经量、心情、症状、笔记)和应用偏好设置仅存储在你的设备本地。这些数据绝不会与任何人共享。
You can delete all your data at any time from Settings > Clear All Data. Uninstalling the app also removes all data permanently.你可以随时通过 设置 > 清除所有数据 删除全部数据。卸载应用也会永久删除所有数据。
This app does not integrate with any third-party services, APIs, or SDKs that collect user data.本应用不集成任何收集用户数据的第三方服务、API 或 SDK。
This app does not knowingly collect data from children. Since no data leaves the device, there is no risk of children's data being transmitted or stored externally.本应用不会故意收集儿童数据。由于没有数据离开设备,不存在儿童数据被传输或外部存储的风险。
Any changes to this privacy policy will be reflected in this page and in app updates.隐私政策的任何变更将反映在此页面和应用更新中。
Last updated:最后更新: April 20262026 年 4 月
By downloading, installing, or using YIMA: Period Calendar ("the App"), you agree to these Terms of Use. If you do not agree, do not use the App.下载、安装或使用姨妈来了("本应用")即表示你同意这些使用条款。如果你不同意,请勿使用本应用。
The App is a menstrual cycle tracking and prediction tool for personal, non-commercial use. It helps users record period dates, track symptoms, and view cycle predictions.本应用是用于个人、非商业用途的经期周期追踪和预测工具。它帮助用户记录经期日期、追踪症状和查看周期预测。
The App is for educational and planning purposes only. It does not provide medical advice, diagnosis, or treatment. Predictions and cycle phase information are estimates based on your data and should not be used as a substitute for professional medical advice.本应用仅用于教育和计划目的。不提供医疗建议、诊断或治疗。预测和周期阶段信息是基于你的数据的估算,不应替代专业医疗建议。
While we strive for accurate predictions, the App cannot guarantee the accuracy of any predictions, calculations, or information displayed. Cycle predictions are statistical estimates and may not reflect your actual cycle.虽然我们力求准确的预测,但本应用不能保证任何预测、计算或显示信息的准确性。周期预测是统计估算,可能与你的实际周期不符。
You are responsible for the accuracy of the data you enter. The App relies on your input to generate predictions and statistics.你对输入数据的准确性负责。本应用依赖你的输入来生成预测和统计。
Your privacy is our priority. Please refer to our Privacy Policy for details. In summary: all data stays on your device.你的隐私是我们的首要关注。详情请参阅我们的隐私政策。简而言之:所有数据留在你的设备上。
The App is open-source software developed by Novawerk under the MIT License.本应用是由 Novawerk 基于 MIT 许可协议开发的开源软件。
The App is provided "as is" without warranties of any kind. Novawerk and its contributors shall not be liable for any damages arising from the use or inability to use the App.本应用按"现状"提供,不附带任何形式的保证。Novawerk 及其贡献者不对因使用或无法使用本应用而产生的任何损害承担责任。
We may update these terms from time to time. Continued use of the App after changes constitutes acceptance of the new terms.我们可能会不时更新这些条款。在变更后继续使用本应用即表示接受新条款。
Last updated:最后更新: April 20262026 年 4 月