DayDots vs Sunwindow
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)
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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.
Sunwindow
This app visualizes the entire day's light phases, including golden hour, blue hour, and twilight, for any location and date. It helps photographers and enthusiasts plan shots by showing sun positions and light transitions throughout the year.
- Daylight phase visualization
- Sun position on map
- Elevation and azimuth data
- Yearly light shift chart
- Customizable reminders
- Live countdowns
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Built for photographers, made for anyone who loves good light. Pick any place and any date, and SunWindow lays out the whole day: golden hour, blue hour, civil, nautical and astronomical twilight, sunrise, sunset and true night — all computed on your device in seconds. **THE DAY AT A GLANCE** - A single wheel showing every light phase from dawn to dark - Full times table with every transition - Live countdown to the next window **SEE WHERE THE SUN WILL BE** - Sun rays drawn directly on the map - Elevation and azimuth for any moment - Drag the pin anywhere — the whole day recalculates instantly **PLAN THE WHOLE YEAR** - Year chart showing how your light shifts season to season - Find the date when the sun lines up with your shot **NEVER MISS THE LIGHT** - Bell reminders on any phase - Set your own lead time so you arrive early, not late **MADE TO BE LIVED IN** - Background colors shift with the sky - No accounts. No ads. No tracking. **A note on accuracy** SunWindow is a planning guide, not a navigation instrument. Times are computed with standard astronomical algorithms and are accurate to well under a minute for planning purposes, but local terrain, horizon obstructions and atmospheric conditions will shift what you actually see.
Screenshots
Verdict
The clearest difference is in-app purchases: Sunwindow at none against DayDots's 1. Sunwindow also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price and ads 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. Sunwindow asks for nothing beyond the download.
| Parameter | DayDots | Sunwindow |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 days | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 25 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Xuzhou Decoding Dangxian Development Co., Ltd | Hexperimental Media Inc |
In-app purchases
DayDots
- Lifetime Access$0.99
Sunwindow
No in-app purchases









