Sampled from 6 of CleanCore: Device Care's App Store screenshots — background, accent and theme, measured by LaunchShots (not something Apple publishes).
#048CFC bg
#279CFC
#9CD42C accent
#FFFFFF text
CleanCore: DeviceCare helps you take better care of your iPhone — not only by keeping your storage clean and organized, but also by helping you stay focused and mindful in your daily digital routine. The app combines smart device cleanup tools with a unique focus experience, giving you a calm, clear, and reliable way to manage both your storage and your screen time. • Smart Storage Cleaner Free up space with confidence. CleanCore scans your device to help you identify large, unused, or redundant files. Review everything before deleting and remove only what you choose. Duplicate photos, similar images, screenshots, and videos are detected automatically, making it easier to keep your gallery clean while preserving what matters. • Photo & Media Organizer Keep your media organized without effort. CleanCore groups similar photos and videos, highlights duplicates and blurry images, and hel…
Every shipping app on the App Store has gone through the same decisions you're working through right now: which screenshot goes first, what caption sits over it, which device frame to show, what color the background should be. The 6 screenshots above are CleanCore: Device Care's answers to those questions — they're public, they're real, and they made it through Apple's review.
What the numbers say: CleanCore: Device Care runs a dark set with one background colour (#048CFC) carried across every screenshot — the listing reads as a single poster when the shots sit side by side in search results. The accent colour we picked up, #9CD42C, is the one to reuse for badges, arrows and highlighted words if you borrow this look. Hit Use this style to open the editor with these exact colours and drop your own screenshot in.
Notice the first screenshot in particular. It's the one users see in search results and on the product page, and it's where most apps spend their best caption and tightest design. Look at the proportion of background to phone, where the text sits, what one thing the image is trying to communicate.
Want to see how other Utilities apps approach the same problem? Browse more Utilities apps in the showcase.
Open LaunchShots and design your App Store & Google Play screenshots — pick a device frame, drop captions, ship in minutes. Free, in your browser.
Open the screenshot editor →Closest background + accent colours among the listings we've analysed — useful when you want to see the same palette handled by a different team.