# Daylumen

> Daylumen is a family of iPhone apps for everyday life, each handling one thing in your day: reading your health data, starting a focus session, keeping plants alive, saving the moments worth keeping and putting a real map behind travel photos; there are five today: Daylumen, FocusFlow, PotPal, Signet and GeoZine, all free to download.

Daylumen app: Daylumen is a free iPhone app that reads the sleep, activity and heart data already in Apple Health, plus photos you give it access to, and tells you in plain words how today compares with your own usual range. No ring or watch required; the reading is computed on your iPhone. iOS 17 or later.

Platforms: iPhone running iOS 17 or later, downloaded from the App Store.

Price: Free to download, with no ads and no subscription. A one-time in-app purchase unlocks the deeper tools; the daily reading stays free.

Privacy: Photos are read on the device only, for context such as time outdoors, travel and late nights; they never leave the phone. Health and photo data are never sold or shared. Daylumen is a wellness read, not medical advice.

Contact: support@daylumen.com

Last verified against release 1.13.0 (2026-10-15).

## Official pages

- [Home](https://daylumen.com/app): Daylumen is a free iPhone app that reads the sleep, activity and heart data already in Apple Health, plus photos you give it access to, and tells you in plain words how today compares with your own usual range. No ring or watch required; the reading is computed on your iPhone. iOS 17 or later.
- [Daylumen family](https://daylumen.com/): Daylumen is a family of iPhone apps for everyday life, each handling one thing in your day: reading your health data, starting a focus session, keeping plants alive, saving the moments worth keeping and putting a real map behind travel photos; there are five today: Daylumen, FocusFlow, PotPal, Signet and GeoZine, all free to download.
- [Privacy policy](https://daylumen.com/privacy): How Daylumen handles your data: health data and photos are computed on your iPhone, never uploaded, sold or shared. Anonymous analytics can be turned off.
- [Support](https://daylumen.com/support): Help with Daylumen: getting started, the morning check-in, what the app can and can't tell you, and how to remove your data.
- [Changelog](https://daylumen.com/changelog): Daylumen changelog: the release date and what changed in every version, newest first. Latest version 1.13.0 (Oct 15, 2026).

## Products

- [FocusFlow](https://flow.daylumen.com/llms.txt): FocusFlow is a free iPhone focus app for brains that struggle to start: pick your energy for the moment, choose one small task that fits it, focus with a gentle circular timer, and watch your Focus Garden grow. Data stays on your phone by default.
- [PotPal](https://potpal.daylumen.com/llms.txt): PotPal is an iPhone plant-care reminder app: take a photo to identify a plant, get a calculated watering time for each pot, and tap “not dry yet” to postpone when the soil is still damp. Core care is free and ad-free; data stays on your phone by default.
- [Signet](https://signet.daylumen.com/llms.txt): Signet is an iPhone moment-keeping app inspired by traditional Chinese seals: you press a seal only on the moments truly worth keeping, with 75 hand-crafted seals, xuan paper mounting and a year-end scroll. Free, with no account, no cloud and no ads.
- [GeoZine](https://geozine.daylumen.com/llms.txt): GeoZine is an iPhone app for travel photos: it puts the real contours, rivers and place names of where you took a photo behind it, so one image keeps the place you went; photos are processed on your phone and never uploaded.

## Guides

- [Daylumen Guides: Apple Health, Sleep and Personal Baselines](https://daylumen.com/guides): Practical guides on reading Apple Health data, tracking sleep without a watch, personal baselines and getting started with Daylumen.
- [How to Connect Apple Health to Daylumen](https://daylumen.com/guides/connect-apple-health-to-daylumen): Daylumen asks for read access to Apple Health on first launch. What each permission is for, what you can skip, and how to change it later in iOS Settings.
- [Do Health Apps Upload Your Data? How to Check](https://daylumen.com/guides/do-health-apps-upload-your-data): Some health apps upload your data and some do not. A three-minute way to check any app, plus the full list of what leaves your phone when you use Daylumen.
- [Does Weather Affect Your Sleep? Check It Against Your Data](https://daylumen.com/guides/does-weather-affect-sleep): Hot nights, cold snaps and rainy days get blamed for bad sleep. How Daylumen compares local weather with your own sleep and activity records.
- [How to Read Apple Health Data (Sleep, Steps, HRV)](https://daylumen.com/guides/how-to-read-apple-health-data): How to read sleep, steps and HRV in Apple Health: use your own range, look at weeks not single days, and ignore numbers you cannot act on.
- [What Is a Personal Baseline in Health Data?](https://daylumen.com/guides/personal-baseline-health-data): A personal baseline is your own usual range for sleep, steps or heart rate. Comparing today with it says more than comparing yourself with a population average.
- [Sleep Tracking Without an Apple Watch](https://daylumen.com/guides/sleep-tracking-without-apple-watch): Apple frames sleep tracking and the sleep score as Apple Watch features. What that means for iPhone-only users, and how Daylumen reads the sleep data you have.

## Use cases

- [Can Photos Be Used to Analyze Your Health?](https://daylumen.com/use/can-photos-help-analyze-your-health): Daylumen reads recent photos on your iPhone for context like time outdoors or late nights. What it takes, what it never does, and how to switch it off.
- [Health Insights Without a Wearable](https://daylumen.com/use/health-insights-without-a-wearable): You do not need a ring or a watch to understand your days. Daylumen reads the sleep, steps and activity in Apple Health and explains them in plain language.
- [What Affects Your Sleep and Energy?](https://daylumen.com/use/what-affects-your-sleep-and-energy): Put sleep, activity, weather and a daily check-in on one timeline. Daylumen shows which of them tend to move together for you, in plain language.

## Comparisons

- [Athlytic Alternative for iPhone Without a Watch](https://daylumen.com/compare/athlytic-alternative): Looking for an Athlytic alternative? Athlytic scores recovery from Apple Watch data; Daylumen reads Apple Health in plain words. Sourced, checked 2026-10-16.
- [AutoSleep Alternative If You Want More Than Sleep](https://daylumen.com/compare/autosleep-alternative): AutoSleep is a $9.99 Apple Watch sleep tracker with deep sleep analytics. Daylumen reads Apple Health in plain words. Sourced, checked 2026-10-16.
- [Best Apps to Understand Apple Health Data (2026)](https://daylumen.com/compare/best-apps-to-understand-apple-health-data): Apple Health, Athlytic, Bevel, Sleep Cycle, AutoSleep, SleepWatch and Daylumen compared by what each does, what it costs and who it suits. Checked 2026-10-16.
- [Bevel Alternative: A Calmer Apple Health Reading](https://daylumen.com/compare/bevel-alternative): Bevel is an all-in-one AI health coach with scores, nutrition and strength training. Daylumen is a quieter read of Apple Health. Sourced, checked 2026-10-16.
- [Sleep Cycle Alternative: Read Your Sleep in Context](https://daylumen.com/compare/sleep-cycle-alternative): Sleep Cycle tracks nights with sound analysis and a smart alarm. Daylumen reads sleep from Apple Health next to activity and weather. Checked 2026-10-16.

## Download

- [App Store](https://apps.apple.com/app/id6774512749): Download Daylumen on the App Store.

## 中文

> Daylumen 是一组 iPhone 上的生活 App，各管日子里的一件事：读懂健康数据、开始一段专注、照顾植物、留下值得的时刻、把旅行照片配上真实地图；目前有五款：Daylumen、心流、浇个盆友、拾刻、纬图，都可以免费下载。

Daylumen App：Daylumen 是一款 iPhone 上的健康解读 App：读取苹果健康里已有的睡眠、活动和心率数据，以及你授权的照片，用大白话告诉你今天和你自己的常态比怎么样。不需要手环或手表，解读在 iPhone 本机计算，免费下载，iOS 17 及以上。

平台：iPhone，iOS 17 及以上，通过 App Store 下载。

价格：免费下载，没有广告，没有订阅。一次性内购解锁更深入的功能，每日解读保持免费。

隐私边界：照片只在设备上被读取，用于理解户外时间、出行、熬夜这类上下文，绝不离开手机；绝不出售或共享健康与照片数据。Daylumen 是健康参考，不是医疗建议。

联系：support@daylumen.com

最近核实：对照 1.13.0 版（2026-10-15）。

## 官方页面

- [首页](https://daylumen.com/zh/app): Daylumen 是一款 iPhone 上的健康解读 App：读取苹果健康里已有的睡眠、活动和心率数据，以及你授权的照片，用大白话告诉你今天和你自己的常态比怎么样。不需要手环或手表，解读在 iPhone 本机计算，免费下载，iOS 17 及以上。
- [Daylumen 家族首页](https://daylumen.com/zh/): Daylumen 是一组 iPhone 上的生活 App，各管日子里的一件事：读懂健康数据、开始一段专注、照顾植物、留下值得的时刻、把旅行照片配上真实地图；目前有五款：Daylumen、心流、浇个盆友、拾刻、纬图，都可以免费下载。
- [隐私政策](https://daylumen.com/zh/privacy): Daylumen 如何处理你的数据：健康数据和照片在你的 iPhone 上计算，绝不上传、出售或共享；匿名使用统计可随时关闭。
- [支持](https://daylumen.com/zh/support): Daylumen 使用帮助：上手、晨间打卡、App 能告诉你什么和不能告诉你什么，以及如何删除你的数据。
- [更新记录](https://daylumen.com/zh/changelog): Daylumen 的更新记录：每个版本的上架日期和更新内容，按时间从新到旧排列。当前最新版本 1.13.0（2026 年 10 月 15 日）。

## 产品

- [心流 FocusFlow](https://flow.daylumen.com/llms.txt): 心流（FocusFlow）是一款 iPhone 上的专注 App，为容易分心、难以开始的大脑设计：先选此刻的精力，再挑一件匹配的小事，用温和的圆形计时器专注，并让你的专注花园一点点长大。免费下载，数据默认只存在你的手机里。
- [浇个盆友 PotPal](https://potpal.daylumen.com/llms.txt): 浇个盆友（PotPal）是一款 iPhone 上的养花提醒 App：拍照识别你的植物，算出每盆什么时候该浇水，同一天到期的多盆合并成一条提醒，土还没干可以点「还没干」推迟。核心功能免费、无广告，数据默认存在你的手机上。
- [拾刻 Signet](https://signet.daylumen.com/llms.txt): 拾刻（Signet）是一款 iPhone 上的瞬间留存 App，灵感来自传统印章：只给真正值得留下的那一刻盖一枚章，内含 75 枚印章、宣纸装裱和年度长卷。免费，无账号、无云端、无广告。
- [纬图 GeoZine](https://geozine.daylumen.com/llms.txt): 纬图（GeoZine）是一款 iPhone 上的旅行照片配图 App：把照片配上拍摄地真实的等高线、水系和地名，一张图存下你到过的那个地方；照片在手机上处理，不上传。

## 指南

- [Daylumen 指南：苹果健康数据、睡眠与个人常态](https://daylumen.com/zh/guides): 关于怎么看苹果健康数据、没有手表怎么记睡眠、个人常态，以及怎么开始使用 Daylumen 的实用指南。
- [Daylumen 怎么连接苹果健康？权限说明和之后怎么修改](https://daylumen.com/zh/guides/connect-apple-health): 首次打开时 Daylumen 会请求苹果健康的读取权限。每项权限用来做什么、哪些可以跳过，以及之后怎么在 iOS 设置里修改。
- [健康 App 会上传我的数据吗？怎么自己查](https://daylumen.com/zh/guides/do-health-apps-upload-data): 有的健康 App 上传数据，有的不上传。三分钟自查任何一款 App 的办法，以及你用 Daylumen 时离开手机的全部内容。
- [苹果健康的数据怎么看？睡眠、步数、心率变异性的读法](https://daylumen.com/zh/guides/how-to-read-apple-health-data): 一套实用读法：看周而不是看单日、和自己的范围比、给数字配上原因、不追你用不上的指标。附 Daylumen 能帮你做什么。
- [个人常态（基线）是什么？为什么比目标数字更有用](https://daylumen.com/zh/guides/personal-baseline): 个人常态是你自己的睡眠、步数或心率的惯常范围。拿今天和它比，比拿自己和人群平均值比，更能说明问题。
- [没有 Apple Watch 怎么记录睡眠？可选方案和 Daylumen 的做法](https://daylumen.com/zh/guides/sleep-tracking-without-apple-watch): Apple 把睡眠追踪和睡眠评分描述为 Apple Watch 的功能。这对只有 iPhone 的人意味着什么，以及 Daylumen 怎么读取你现有的睡眠数据。
- [天气会影响睡眠吗？下雨天想睡、天气热睡不好，用自己的数据查一查](https://daylumen.com/zh/guides/weather-and-sleep): 下雨天想睡觉、天气热睡不好、天气冷没精神，这些说法对你成立吗？这里不给泛泛的答案，而是说明 Daylumen 怎么拿你所在地的天气和你自己的睡眠、活动记录做对照。

## 用途

- [没有手环也能看懂健康数据：iPhone 自带的数据怎么用](https://daylumen.com/zh/use/health-insights-without-wearable): 不买戒指、不戴手表，Daylumen 读取苹果健康里已有的睡眠、步数和活动数据，用人话告诉你今天是什么状态。
- [照片能用来分析健康吗？Daylumen 读什么、在哪算](https://daylumen.com/zh/use/photos-for-health-insights): Daylumen 可以在你的 iPhone 上读近期照片，认出户外、熬夜这类日子的背景。它从照片里取什么、绝不做什么、怎么关掉。
- [什么在影响你的睡眠和精力？从自己的数据里找规律](https://daylumen.com/zh/use/what-affects-sleep-and-energy): 把睡眠、活动、天气、日程忙碌度和每日一句话记录放在同一条时间线上，Daylumen 用人话告诉你，哪些因素对你来说常常一起变化。

## 对比

- [苹果健康数据用什么 App 看？7 款对比（2026）| Daylumen](https://daylumen.com/zh/compare/apple-health-data-apps-comparison): 苹果健康、Athlytic、Bevel、Sleep Cycle、AutoSleep、SleepWatch 与 Daylumen 按用途、费用、是否需要穿戴设备对比，附官方来源，核实日期 2026-10-16。

## 下载

- [App Store](https://apps.apple.com/app/id6774512749): 在 App Store 下载 Daylumen。