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SPECIFICTION
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Day & Night

apps.apple.com

Free plan macOS
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Spec score 9.0 #2 of 34 in Desktop Wallpaper Software

Spec sheet

What it does
Day & Night automatically changes a Mac desktop wallpaper according to the time of day.Read 15 Oct 2026 · apps.apple.com
Accessibility disclosure
Apple says the developer has not identified supported accessibility features.Read 15 Oct 2026 · apps.apple.com
Category
Apple classifies the app in Utilities.Read 15 Oct 2026 · apps.apple.com
Copyright
The listing carries a 2018 copyright notice for Brandon Roehl.Read 15 Oct 2026 · apps.apple.com
Developer and seller
Apple identifies Brandon Roehl as both developer and seller.Read 15 Oct 2026 · apps.apple.com
Download size
The Mac download is listed as 4.7 MB.Read 15 Oct 2026 · apps.apple.com
Dynamic wallpaper creation
Users can arrange multiple images in sequence to create dynamic wallpapers.Read 15 Oct 2026 · apps.apple.com
Extended image cycles
Premium permits custom dynamic wallpapers containing more than two images.Read 15 Oct 2026 · apps.apple.com
Independent context: desktop visibility
An OS X Daily commenter questioned the practical value of changing wallpapers because application windows usually cover the desktop.Read 15 Oct 2026 · osxdaily.com
Independent context: dynamic desktops
OS X Daily explains that macOS can simulate dynamic desktops by rotating a folder of images at user-selected intervals.Read 15 Oct 2026 · osxdaily.com
Independent context: image requirements
OS X Daily recommends using roughly 10 to 25 images of the same scene with different lighting for a convincing dynamic-desktop effect.Read 15 Oct 2026 · osxdaily.com
Independent context: resource cost
OS X Daily warns that screen-saver-based animated desktop techniques consume system resources.Read 15 Oct 2026 · osxdaily.com
Independent context: sequencing issue
OS X Daily commenters reported that macOS image rotation can misorder files when names such as 1 and 10 are used without leading-zero or workaround naming.Read 15 Oct 2026 · osxdaily.com
Latest listed version
The latest listed version is 3.3, dated February 10, 2019.Read 15 Oct 2026 · apps.apple.com
Limit: launch failure
A reviewer reported that the app did not launch, prompting a developer troubleshooting response.Read 15 Oct 2026 · apps.apple.com
Limit: startup behavior
A reviewer reported that automatic launch and a day script require paying the $0.99 Premium purchase.Read 15 Oct 2026 · apps.apple.com
Localization
The listed supported languages are English and German.Read 15 Oct 2026 · apps.apple.com
Location handling
The app uses location information for solar timing and falls back to custom times when a location cannot be determined.Read 15 Oct 2026 · apps.apple.com
Menu-bar operation
Version 2.3 moved alerts into the menu bar rather than popup windows.Read 15 Oct 2026 · apps.apple.com
Multi-monitor feature
Premium adds support for multiple monitors.Read 15 Oct 2026 · apps.apple.com
Offline operation
The version history says internet access is no longer required for generating solar times.Read 15 Oct 2026 · apps.apple.com
Praise: lightweight utility
One reviewer described it as lightweight, useful and fairly priced.Read 15 Oct 2026 · apps.apple.com
Praise: simplicity
One reviewer called the app simple and elegant.Read 15 Oct 2026 · apps.apple.com
Privacy disclosure
Apple says the developer has not supplied privacy-practice or data-handling details for the app.Read 15 Oct 2026 · apps.apple.com
Rating on Apple App Store
No aggregate rating out of 5 is displayed because Apple says the app has too few ratings or reviews; four written reviews are visible.Read 15 Oct 2026 · apps.apple.com
Refresh controls
Users can set different wallpaper refresh intervals for power and battery operation.Read 15 Oct 2026 · apps.apple.com
Release history
The listing shows the first 1.0 release dated February 27, 2018.Read 15 Oct 2026 · apps.apple.com
Script integration
The app can execute Unix, AppleScript or Automator Workflow scripts from its scripts folder during wallpaper-state transitions.Read 15 Oct 2026 · apps.apple.com
Solar-time calculation
The app generates sunrise and sunset times locally instead of relying on an external API.Read 15 Oct 2026 · apps.apple.com
Support channel
The listing directs bug reports to [email protected] and points users to the DayAndNightMac Reddit community.Read 15 Oct 2026 · apps.apple.com
System requirement
The App Store listing requires macOS 10.12 or later.Read 15 Oct 2026 · apps.apple.com
Version 2.4 fixes
Version 2.4 addressed location refresh errors and wallpaper changes occurring at the wrong time.Read 15 Oct 2026 · apps.apple.com
Version 3.1 change
Version 3.1 introduced custom dynamic wallpapers, a new storage engine and Mojave dark-mode styling.Read 15 Oct 2026 · apps.apple.com
Version 3.3 change
Version 3.3 fixed scripts failing during cycle transitions and a first-run crash when Wi-Fi was unavailable with location services enabled.Read 15 Oct 2026 · apps.apple.com
Wallpaper selection
Users can assign images to day and night by clicking the corresponding controls or dragging images onto them.Read 15 Oct 2026 · apps.apple.com

Plans and prices

Free Free time-based wallpaper changes · custom refresh intervals · single-monitor use Read 15 Oct 2026 · apps.apple.com
Premium $0.99, paid once one-time in-app purchase runs scripts on cycle changes · multi-monitor support · dynamic wallpapers with more than two images Read 15 Oct 2026 · apps.apple.com

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