Sampled from 5 of SportiX One Day X's App Store screenshots — background, accent and theme, measured by LaunchShots (not something Apple publishes).
#94A4BC bg
#8290A5
#04247C accent
#111111 text
SportiX One Day X builds today's tennis practice for you and times you through it. There is no programme to pick and no plan to invent: set your level, how long you have, which days you train and what you can train with, and a session is waiting every time you open the app. WHAT YOU GET • Sixty drills across twelve areas — serve, forehand, backhand, volley, return of serve, footwork, movement, fitness, mobility, mental, match play and recovery, five drills in each • Every drill written out properly — the setup, numbered steps, coaching points, the mistakes people actually make, duration, intensity, rest and target reps • A session built daily — warm-up, technique, load and cool-down in the right order, weighted so no part of your game gets quietly ignored • Only what you can do — pick from twelve kit options, from a full court and a ball machine down to a wall and a skipping rope, and …
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 5 screenshots above are SportiX One Day X's answers to those questions — they're public, they're real, and they made it through Apple's review.
What the numbers say: SportiX One Day X runs a light set where the background shifts from screenshot to screenshot (first shot #94A4BC) — each image has to stand on its own, so the captions carry more of the story. The accent colour we picked up, #04247C, 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 Book apps approach the same problem? Browse more Book 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.