Sampled from 4 of Locmark's App Store screenshots — background, accent and theme, measured by LaunchShots (not something Apple publishes).
#6464DC bg
#7979E0
#9CA4FC accent
#FFFFFF text
Locmark moves files between devices that are already on the same Wi-Fi network. Nothing is uploaded to a server, and no account is required. Pick what you want to send, and Locmark starts a small web server on your device. The other side connects by scanning a QR code, or by opening the link in any browser. When the transfer is done, the server stops. WHAT YOU CAN SEND • Photos and videos from your library • A photo taken with the camera right now • Audio files • Documents and any other files • A block of text • Contact cards, exported as a single .vcf CONNECT IN SECONDS • The sender shows a QR code, the receiver scans it • Or type the address by hand if you prefer • No Bluetooth pairing, no cable, no setup WORKS WITH COMPUTERS AND OTHER PHONES The receiving side does not need the app. Any modern browser can open the share link and download the file, so a laptop or desktop works as …
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 4 screenshots above are Locmark's answers to those questions — they're public, they're real, and they made it through Apple's review.
What the numbers say: Locmark runs a dark set where the background shifts from screenshot to screenshot (first shot #6464DC) — each image has to stand on its own, so the captions carry more of the story. The accent colour we picked up, #9CA4FC, 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 Productivity apps approach the same problem? Browse more Productivity 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.