# HDLC -Personalized data center — Simple丨Pure丨Intuitive丨No Ad > Simple丨Pure丨Intuitive丨No Ad (iPhone/iPad app by 玉钊 蓝.) - Source: https://appshunter.io/ios/app/hdlc-personalized-data-center/id6747672905 (this page in markdown: same URL + `.md`) - Developer: [玉钊 蓝](https://appshunter.io/developer/1822284648) - Category: Health & Fitness, Lifestyle - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 17.0 · 69 MB - Languages: American English, Chinese (Simplified, China) - Released: 2025-08-13 - Data updated: 2026-08-18 - User reviews in markdown: https://appshunter.io/ios/app/hdlc-personalized-data-center/id6747672905/reviews.md ## What is HDLC? HDLC is a professional iOS health management software, dedicated to providing users with a comprehensive and intuitive data tracking experience. 【HDLC Health Dynamic Line Chart】 ・ Visualize health data (such as activity, heart rate, sunlight exposure) in a dynamic line graph, clearly presenting trend changes. 【Up to 19 pieces of personal health information are displayed】 ・ Comprehensively integrates various indicators such as sleep duration, weight, BMI, blood oxygen, HRV, activity consumption, exercise time, and standing minutes, with a simple and easy-to-read data panel. 【Flexible Data Time Dimension】 ・Not only supports short-term data of 7/15/30 days, but also allows for immediate access to historical records of the past half year and one year, facilitating long-term health analysis. 【Personalized Goal Management】 ・ Supports setting goals such as calorie consumption and exercise duration, along with the ability to customize reference lines, allowing for real-time monitoring of the progress towards achieving the goals. 【Humanized Interaction and Visual Design】 ・ Customizable vibration feedback intensity, providing a more comfortable operation experience; ・ Free switching between light and dark color modes, suitable for different lighting environments; ・ Multiple high-quality application icons available, meeting personalized aesthetic needs. 【Data Security】 ・ Seamless integration with the Apple Health ecosystem, with transparent and controllable data authorization, ensuring user privacy and security. 【Subscription Plans and Prices】 ・ Monthly Subscription: ¥6.00 per month, automatically renewed monthly ・ Quarterly Subscription: ¥16.00 for 3 months, automatically renewed quarterly ・ Semi-annual Subscription: ¥28.00 for 6 months, automatically renewed semi-annually ・ Annual Subscription: ¥58.00 per year, automatically renewed annually ・ Permanent Membership: ¥128.00, one-time purchase, lifetime access 【Membership Subscription Automatic Renewal Service Description] ・ Payment: After confirming the purchase, a deduction will be made immediately from your account. ・ Renewal: A fee will be deducted from your account 24 hours before the expiration date. Once the payment is successful, the subscription period will be extended by one subscription period. 【Privacy Policy】 https://short-link.me/HDLC-PrivacyPolicy 【User Agreement】https://short-link.me/HDLC-TermsOfUse 【Membership Information】https://short-link.me/HDLC-MembershipTerms ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | 1个月会员订阅 | $0.99 | per month | | 3个月会员订阅 | $1.99 | per 3 months | | 6个月会员订阅 | $3.99 | per 6 months | | 12个月会员订阅 | $7.99 | per year | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | 永久会员 | $19.99 | one-time | ## Version history (last 5 releases) ### 2026.5.0 — 2026-08-08 Important update! Please update immediately! Related to data integrity! 【New & Improved】 ・ Completed iOS 27 compatibility ・ All page menu buttons have been redesigned and completely restructured ・ Added sliding switch time for all cards on the fitness and sleep pages ・ The startup home page now allows for self-selection (today, overview, fitness, sleep) ・ Added annual data statistics to the fitness page cards ・ Added weekly and monthly average data achievement rates to the fitness page cards ・ Added more intuitive target achievement rate visualization to the annual data of the fitness page cards ・ Added individual achievement status to the daily data of the weekly and monthly cards on the fitness page ・ Added annual data statistics to the sleep page cards ・ Added more intuitive target achievement rate visualization to the sleep page cards data ・ Added individual achievement status to the daily data of the weekly, monthly and specific cards on the sleep page 【Optimization & Fix】 ・ Fixed the lag issue during startup, improved and optimized the experience ・ Deeply optimized the global animation effects, making transitions more natural and smooth ・ Significantly improved the smoothness within the software, significantly reducing lag and frame drops ・ Completely restructured the data refresh logic, improving response speed and accuracy ・ Completely restructured the data access logic, significantly improving compatibility and stability ・ Completely restructured the data caching logic, reducing duplicate requests and loading delays ・ Fixed over 50 known issues, further enhancing the daily usage experience 【Note】 ・ At least one custom navigation bar must be retained. Even if "Settings" is hidden, you can still access it by clicking the avatar. ・ If you have any suggestions or questions, you can leave a private message in the "Red Star" section within the app to contact me. Thank you! ### 2026.4.0 — 2026-07-12 【New & Improved】 ・ Initially adapted to iOS 27 ・ Strengthened the display effect of selected items, and weakened the display of information for unselected elements 【Optimization & Fix】 ・ Complete the English translation ・ Correct the erroneous English translations ・ Modify the display format unit of blood oxygen level ・ Fix known issues and further enhance the daily usage experience 【Note】 ・ At least one custom navigation bar must be retained. Even if "Settings" is hidden, you can still access it by clicking the avatar. ・ If you have any suggestions or questions, you can leave a private message in the "Red Star" section within the app to contact me. Thank you! ### 2026.3.0 — 2026-03-21 New HDLC 2.0 version! Major update! Comprehensive upgrade! 【New & Improved】 ・ All five pages have undergone comprehensive visual and functional upgrades ・ Fully compatible with the new design language of iOS 26 and the Liquid Glass effect ・ Added full English language localization support (translation covers the entire app) ・ Added "Today Page" to focus on short-term data trends and detail display ・ Added four pages: Overview, Fitness, Sleep, and Today, allowing for free adjustment of card order ・ Added four-page card customization for display/hiding functions ・ Added fluorescent atmosphere effects for data cards (graduated shadows to enhance texture) ・ Added monthly statistics cards for fitness data (divided into three major categories for monthly analysis) ・ Added monthly statistics cards for sleep data (detailed breakdown of each sleep stage) ・ Added three independent trend cards for core sleep, deep sleep, and rapid eye movement sleep ・ Added support for weight units of "pounds" and "stone" (automatically convertible) ・ Added data for short-duration naps and snoozes ・ Added the option to select the date for Today Page, allowing for the retrieval of data from the past 400 days 【Optimization & Fix】 ・ Limit each time selector to adjust to future dates ・ Adjust the time units of the 4 sleep cards on Today Page ・ Resolved issues such as overlapping and occlusion of data and chart contents ・ Optimized some text explanations and descriptions for greater clarity and understandability ・ Deeply optimized the global animation effects, making transitions more natural and smooth ・ Completely restructured the data refresh logic, improving response speed and accuracy ・ Completely restructured the data access logic, significantly enhancing compatibility and stability ・ Completely restructured the data caching logic, reducing duplicate requests and loading delays ・ Significantly improved the overall smoothness of the software, significantly reducing lag and frame drops ・ Fixed over 80 known issues, further enhancing the daily usage experience 【Note】 ・ At least one custom navigation bar must be retained. Even if "Settings" is hidden, you can still access it by clicking the avatar. ・ If you have any suggestions or questions, you can leave a private message in the "Red Star" section within the app to contact me. Thank you! ### 2026.2.0 — 2026-03-13 New HDLC 2.0 version! Major update! Comprehensive upgrade! 【New & Improved】 ・ All five pages have undergone comprehensive visual and functional upgrades ・ Fully compatible with the new design language of iOS 26 and the Liquid Glass effect ・ Added full English language localization support (translation covers the entire app) ・ Added "Today Page" to focus on short-term data trends and detail display ・ Added four pages: Overview, Fitness, Sleep, and Today, allowing for free adjustment of card order ・ Added four-page card customization for display/hiding functions ・ Added fluorescent atmosphere effects for data cards (graduated shadows to enhance texture) ・ Added monthly statistics cards for fitness data (divided into three major categories for monthly analysis) ・ Added monthly statistics cards for sleep data (detailed breakdown of each sleep stage) ・ Added three independent trend cards for core sleep, deep sleep, and rapid eye movement sleep ・ Added support for weight units of "pounds" and "stone" (automatically convertible) 【Optimization & Fix】 ・ Resolved issues such as overlapping and occlusion of data and chart contents ・ Optimized some text explanations and descriptions for greater clarity and understandability ・ Deeply optimized the global animation effects, making transitions more natural and smooth ・ Completely restructured the data refresh logic, improving response speed and accuracy ・ Completely restructured the data access logic, significantly enhancing compatibility and stability ・ Completely restructured the data caching logic, reducing duplicate requests and loading delays ・ Significantly improved the overall smoothness of the software, significantly reducing lag and frame drops ・ Fixed over 80 known issues, further enhancing the daily usage experience 【Note】 ・ At least one custom navigation bar must be retained. Even if "Settings" is hidden, you can still access it by clicking the avatar. ・ If you have any suggestions or questions, you can leave a private message in the "Red Star" section within the app to contact me. Thank you! ### 2026.1.0 — 2025-12-23 全新版本！重大更新！2026新年快乐！ 【新增&改进】 ・睡眠卡片详细可见具体睡眠时间段，入睡时间和醒来时间 ・所有折线图表都新增了动画效果 ・折线图表中的极值改用主题色和实心圆标注 ・数据刷新图标改用动态效果 【优化&修复】 ・完全重构数据刷新逻辑 ・完全重构数据接入逻辑 ・解决活动消耗会出现某天数据无法传入的问题 ・解决站立小时数会出现某天数据无法传入的问题 ・修复已知问题，提升使用体验 【说明】 ・自定义导航栏至少要保留一个，隐藏了“设置”也可以通过点击头像进入“设置” ・如有任何建议或问题，可以在App内的【小红书】私信留言联系我，谢谢~ ## Apps similar to HDLC | App | Rating | Price | Category | | --- | --- | --- | --- | | [FitTriangle: Outlive Assistant](https://appshunter.io/ios/app/fittriangle-outlive-assistant/id6752947428) | — | Free | Health & Fitness | | [Sunshine: Vitamin D & Daylight](https://appshunter.io/ios/app/sunshine-vitamin-d-and-daylight/id6755173558) | 5.0 (7) | Free | Health & Fitness | | [Out Live-AI Health Management](https://appshunter.io/ios/app/out-live-ai-health-management/id6749874702) | — | Free | Health & Fitness | | [Step Squad Go](https://appshunter.io/ios/app/step-squad-go/id6767954488) | — | Free | Health & Fitness | | [她的四周 – 理解她的每一个周期](https://appshunter.io/ios/app/id6755909874) | — | Free | Health & Fitness | | [Rhythm: Men's Wellness](https://appshunter.io/ios/app/rhythm-mens-wellness/id6759880730) | — | Free | Health & Fitness | --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-18.*