Sampled from 3 of iPerf Pulse's App Store screenshots — background, accent and theme, measured by LaunchShots (not something Apple publishes).
#0C141C bg
#2E343B
#34C4E4 accent
#FFFFFF text
iPerf Pulse brings the industry-standard iperf3 network throughput tool to iPhone, iPad, Mac, and Apple Vision Pro wrapped in a fast, modern interface designed for everyday speed-testing on your local network. Whether you're diagnosing a Wi-Fi dead spot, benchmarking a new mesh router, or verifying the bandwidth of an Ethernet link, iPerf Pulse measures the real, raw throughput between two devices without relying on any internet speed-test server. KEY FEATURES • Client and Server modes - run a test against any iperf3 server, or turn your device into one so other devices can test against it. • Bonjour discovery - nearby iPerf Pulse servers appear automatically on your local network. No IP-typing required. • TCP and UDP - measure reliable throughput with TCP, or push UDP to test jitter and packet loss. • Live charts - watch bandwidth update in real time during the test. …
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 7 screenshots above are iPerf Pulse's answers to those questions — they're public, they're real, and they made it through Apple's review.
What the numbers say: iPerf Pulse runs a dark set with one background colour (#0C141C) 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, #34C4E4, 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 Developer Tools apps approach the same problem? Browse more Developer Tools 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.