DayDots vs Where To Study
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DayDots
This app allows you to create personalized calendar wallpapers for your lock screen. Customize dates, backgrounds, and add important markers or signatures. It integrates with iOS Shortcuts for automatic daily updates.
- Create custom calendar lock screen wallpapers
- Automatic wallpaper updates via iOS Shortcuts
- Mark important dates and events
- Customize backgrounds and color themes
- Add custom bottom signatures
- Multiple calendar templates (Year, Monthly, Folder, Countdown)
Read full descriptionHide full description
Your Lock Screen doesn’t have to be just a background. It can be a calendar, a reminder, a goal tracker, or a personal signature that belongs only to you. DayDots is a DIY calendar Lock Screen wallpaper app. Start with ready-made templates and customize date colors, date styles, backgrounds, important date markers, and bottom signatures to create a Lock Screen that feels truly yours. DayDots also works with iOS Shortcuts and Automations. Once set up, your calendar wallpaper can update automatically based on the date, so you no longer need to generate, save, and replace your wallpaper manually every day. From yearly progress to monthly planning, from special dates to countdown goals, DayDots helps you turn your Lock Screen into something useful, beautiful, and personal. 【What can you do with DayDots?】 - Create your own calendar Lock Screen Start with a template and make it your own. Customize date colors, font styles, number styles, and even replace numbers with dots, shapes, or more visual design elements. - Automatically update your Lock Screen wallpaper The biggest problem with calendar wallpapers is that dates change every day. DayDots can work with iOS Shortcuts and Automations, allowing your Lock Screen wallpaper to update automatically after setup. No need to manually regenerate, save, and replace your wallpaper every day. Open your phone and see the latest date state right on your Lock Screen. - Mark important dates Birthdays, anniversaries, exams, trips, paydays, project deadlines, workout check-ins, and more. Mark the dates that matter and keep them visible on the screen you see every day. - Change backgrounds and color themes Whether you like minimal, fresh, retro, dark, bright, colorful, or trendy styles, DayDots makes it easy to create a look that matches your taste. Choose from built-in theme colors or add your own background to make your calendar wallpaper fit your mood and style. - Add a custom bottom signature Write a sentence at the bottom of your Lock Screen. It can be a goal, a motto, a mood note, or a simple reminder to yourself. For example: “Shine your own way” “Make today count” “One day closer to the goal” 【Four calendar templates for different needs】 - Year Calendar Put the entire year on one Lock Screen wallpaper. Perfect for tracking yearly progress, planning long-term goals, and seeing the flow of time. How many days have passed? How many are left? See it all at a glance. - Monthly Calendar Focus on the current month, short-term plans, and upcoming tasks. Perfect for checking monthly progress, marking important dates, and keeping your schedule visible. Open your Lock Screen and quickly see where you are in the month. - Folder Calendar Keeps the practical structure of a monthly calendar while offering a stronger visual style. With richer color options and more expressive layouts, it is perfect for users who want a more aesthetic, trendy, and personalized Lock Screen. - Countdown Turn your goals into visual reminders. Use it for exam countdowns, trip countdowns, anniversaries, special events, or a 100-day challenge. Display your countdown with numbers, dots, or shapes, and let your goal remind you every day. 【Why choose DayDots?】 DayDots is more than a wallpaper app. It is more than a calendar app. With DayDots, you can: Turn your Lock Screen into a useful calendar dashboard Keep important dates visible every day Visualize yearly, monthly, and countdown progress Let your calendar wallpaper update automatically as dates change Bring your style, goals, and daily rhythm into your Lock Screen You don’t need design skills. Just choose a template, adjust colors, date styles, backgrounds, markers, and text, then create a Lock Screen wallpaper that is both beautiful and useful. Use DayDots to make every day feel marked, visible, and personal. Set it up once, and keep your calendar Lock Screen updated every day.
Where To Study
This unofficial tool helps students find available classrooms and manage their schedules. It provides access to personal course schedules, campus weather, and important event deadlines. Users can also import custom schedules and receive daily course summaries.
- Find available classrooms by time and building
- Offline access to personal course schedules
- View teaching calendar with holidays
- Access cloud classroom assignments
- Track campus weather and event deadlines
- Import custom schedules into system calendar
- Daily course summary notifications
Read full descriptionHide full description
Where To Study 是独立开发的非官方学习工具。当前教务连接适用于北京邮电大学学生;学校名称仅用于说明适用范围和第三方数据来源。本应用不由学校运营,与学校不存在隶属关系,也不代表学校背书。 主要功能: • 查询西土城与沙河校区当天可用教室,按个人空闲节次和教学楼筛选 • 获取个人课表并保存在本机,离线查看课程 • 使用日、周、月、年视图浏览教学日历与法定节假日 • 在日期详情查看云课堂作业、校区天气、黄历和公开活动截止信息 • 在独立“查询”页查看双向班车,搜索重要事件并按截止日期排序 • 分别控制竞赛、校内通知、学术会议和期刊专题等信息来源 • 收藏活动的完整本地快照,并在设置中集中管理 • 可接入符合公开规范的 HTTPS JSON 自定义日程源 • 将实际课程日期或收藏日程导入系统日历,重复导入时更新已有事件 • 可选每天 07:30 在本机发送当日课程摘要 • 提供“今日课程”系统小组件,可配置课程数量、地点与教师显示 • 自动识别当前学期,也可手动调整学期和开学日期 • 支持浅色、深色及 iPhone、iPad 自适应布局 隐私与安全: 学号和密码保存在 Apple Keychain。应用通过 HTTPS 连接学校教务服务,获取用户自己的课表及空教室信息。保存有效凭据并开启自动学期检测后,启动时会刷新课表以校验学期;启动、回到前台或平台允许的后台任务还可能刷新当天空教室。 个人课表、查询结果、收藏和设置保存在本机。项目服务端仅整理公开班车与活动数据,不接收教务凭据或个人课表。应用不包含广告、分析或行为跟踪 SDK。系统日历导入及课程通知由用户主动操作并授权,拒绝权限不影响其他功能。 无需账号也可在设置中选择“浏览内置示例数据”,体验虚构课表、教室、班车和活动信息。真实教务功能仅适用于用户自己的北京邮电大学教务账号。 帮助与支持: 设置 → 关于本应用 → 帮助与支持,可离线查看联系邮箱和常见问题。 https://github.com/Nemoyuzx/where_to_study/blob/main/SUPPORT.md
Screenshots
Verdict
The clearest difference is in-app purchases: Where To Study at none against DayDots's 1. Where To Study also leads on device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. DayDots sells 1 one-off in-app purchase. Where To Study asks for nothing beyond the download.
DayDots ships an update every 5 days, Where To Study every 3 days. Both last shipped on October 31, 2026.
| Parameter | DayDots | Where To Study |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | — | 2 — better |
| Update frequency | Every 5 days | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone | iPhone, iPad, Mac — better |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 25 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Xuzhou Decoding Dangxian Development Co., Ltd | 子曦 喻 |
Customer experience
DayDots
Where To Study
In-app purchases
DayDots
- Lifetime Access$0.99
Where To Study
No in-app purchases









